阅读说明：本技术 一种隧道三维超前地质预报方法及系统 (Tunnel three-dimensional advanced geological prediction method and system ) 是由 林晓 高军 蔡荣喜 周建刚 王伟 杨立云 项小珍 吴德兴 贾超 谭发刚 杨文龙 于 2020-04-24 设计创作，主要内容包括：本发明的实施例公开一种隧道三维超前地质预报方法及系统,涉及隧道超前地质预报技术领域,便于实现预报信息的可视化。隧道三维超前地质预报方法,包括：获取隧道所在地理区域预定范围内的三维地貌地理信息；根据所述三维地貌地理信息,建立隧道立体模型；获取所述隧道所在地理区域的地质构造及围岩类别数据,在所述隧道立体模型中的相应位置,绘制并模拟显示与所述地质构造及围岩类别数据相对应的地质构造和围岩类别图像；获取所述隧道的超前预报数据,根据所述超前预报数据,在所述隧道立体模型中,绘制并模拟显示与所述超前预报数据相对应的地质特征和/或水文特征图像。本发明适用于铁路隧道的开挖施工。(The embodiment of the invention discloses a method and a system for three-dimensional advanced geological prediction of a tunnel, relates to the technical field of advanced geological prediction of tunnels, and is convenient for realizing visualization of prediction information. The three-dimensional advanced geological prediction method for the tunnel comprises the following steps: acquiring three-dimensional landform geographic information in a preset range of a geographic area where a tunnel is located; establishing a tunnel three-dimensional model according to the three-dimensional landform geographic information; acquiring geological structure and surrounding rock category data of a geographic area where the tunnel is located, and drawing and displaying a geological structure and surrounding rock category image corresponding to the geological structure and surrounding rock category data in a simulated mode at a corresponding position in the tunnel three-dimensional model; and acquiring advanced forecast data of the tunnel, and drawing and simulating and displaying geological feature and/or hydrologic feature images corresponding to the advanced forecast data in the tunnel three-dimensional model according to the advanced forecast data. The invention is suitable for the excavation construction of railway tunnels.)

1. A three-dimensional advanced geological prediction method for a tunnel is characterized by comprising the following steps:

determining a geographical area where the tunnel is located;

acquiring three-dimensional landform geographic information in a preset range of a geographic area where a tunnel is located;

establishing a tunnel three-dimensional model according to the three-dimensional landform geographic information, wherein the tunnel three-dimensional model has a simulated three-dimensional landform and a ground layer body positioned below the three-dimensional landform;

acquiring geological structure and surrounding rock category data of a geographic area where the tunnel is located, and drawing and displaying a geological structure and surrounding rock category image corresponding to the geological structure and surrounding rock category data in a simulated mode at a corresponding position in the tunnel three-dimensional model;

and acquiring advanced forecast data of the tunnel, and drawing and simulating and displaying geological feature and/or hydrologic feature images corresponding to the advanced forecast data in the tunnel three-dimensional model according to the advanced forecast data.

2. The method for three-dimensional advanced geological prediction of a tunnel according to claim 1, wherein the step of obtaining the three-dimensional geomorphic geographic information within a predetermined range of a geographic region where the tunnel is located comprises the steps of:

acquiring a ground surface image of a tunnel in a preset range of a geographic area shot by an unmanned aerial vehicle or a satellite;

and acquiring three-dimensional landform geographic information in a preset range of the geographic area where the tunnel is located according to the earth surface image.

3. The method of claim 2, wherein the three-dimensional geomorphic geographic information comprises: the information of the folds of the earth surface, the size and the trend of the valleys of the earth surface, the fault information of the earth surface, the size and the trend of the channels of the earth surface and the slope information of the earth surface.

4. The method for three-dimensional advanced geological prediction of a tunnel according to claim 2, wherein the step of obtaining advanced prediction data of the tunnel, and drawing and simulating geological feature and/or hydrological feature images corresponding to the advanced prediction data in the tunnel stereo model according to the advanced prediction data comprises the following steps:

acquiring first advanced forecasting data obtained according to a first advanced geological forecasting method;

acquiring second advanced forecasting data obtained according to a second advanced geological forecasting method;

and in the tunnel stereo model, drawing and simulating a first geological feature and/or hydrologic feature image corresponding to the first advanced forecast data, and drawing and simulating a second geological feature and/or hydrologic feature image corresponding to the second advanced forecast data.

5. The method for three-dimensional advanced geological prediction of a tunnel according to claim 2, wherein the step of obtaining advanced prediction data of the tunnel, and drawing and simulating geological feature and/or hydrological feature images corresponding to the advanced prediction data in the tunnel stereo model according to the advanced prediction data comprises the following steps:

acquiring advanced forecast data respectively acquired by more than two advanced geological forecast methods;

determining geological features and/or hydrological feature comprehensive prediction results within a preset distance in front of a tunnel face in the tunnel according to advanced prediction data respectively obtained by more than two advanced geological prediction methods;

and according to the comprehensive prediction result, drawing and displaying the geological features and/or the hydrological features corresponding to the comprehensive prediction result within a preset distance in front of the tunnel face in the tunnel.

6. The three-dimensional advanced geological forecasting method of tunnel according to claim 5, wherein after the geological and/or hydrological features corresponding to the comprehensive forecasting result are plotted and displayed within a predetermined distance in front of the tunnel inner face according to the comprehensive forecasting result, the method further comprises:

acquiring actual excavation data of a tunnel site;

determining the actual geological features and/or hydrological features of the tunnel face of the tunnel according to the actual excavation data;

determining the confidence degrees of the more than two advanced geological forecasting methods according to the actual geological features and/or hydrological features of the tunnel face;

and adjusting the geological advanced forecasting strategy of the next advanced forecasting region in front of the tunnel according to the confidence degrees of more than two advanced geological forecasting methods.

7. The three-dimensional advanced geological forecasting method for the tunnel according to claim 4 or 5, characterized by further comprising the following steps:

and displaying the first geological feature and/or hydrological feature image by adopting the first color system, and displaying the second geological feature and/or hydrological feature image by adopting the second color system.

8. The three-dimensional advanced geological forecasting method for tunnel according to claim 4 or 5, characterized in that after the geological and/or hydrological features corresponding to the comprehensive forecasting result are plotted and displayed within a predetermined distance in front of the tunnel inner face according to the comprehensive forecasting result, the method further comprises:

receiving and displaying a forecast image display instruction at a specified position in front of a tunnel face;

and displaying the geological feature and/or the hydrological feature image at the specified position in front of the tunnel face.

9. A system for three-dimensional advanced geological prediction of tunnels, comprising:

the geographic area acquisition module is used for determining the geographic area where the tunnel is located;

the geomorphic information acquisition module is used for acquiring three-dimensional geomorphic geographic information in a preset range of a geographic area where the tunnel is located;

the model building module is used for building a tunnel three-dimensional model according to the three-dimensional landform geographic information, and the tunnel three-dimensional model has a simulated three-dimensional landform and a ground layer body positioned below the three-dimensional landform; acquiring geological structure and surrounding rock category data of a geographic area where the tunnel is located, and drawing and displaying a geological structure and surrounding rock category image corresponding to the geological structure and surrounding rock category data in a simulated mode at a corresponding position in the tunnel three-dimensional model; and acquiring advanced forecast data of the tunnel, and drawing and simulating and displaying geological feature and/or hydrologic feature images corresponding to the advanced forecast data in the tunnel three-dimensional model according to the advanced forecast data.

10. The system of claim 9, further comprising: the advanced forecasting strategy adjusting module is used for acquiring actual excavation data of a tunnel site; determining the actual geological features and/or hydrological features of the tunnel face of the tunnel according to the actual excavation data; determining the confidence degrees of the more than two advanced geological forecasting methods according to the actual geological features and/or hydrological features of the tunnel face; and adjusting the geological advanced forecasting strategy of the next advanced forecasting region in front of the tunnel according to the confidence degrees of more than two advanced geological forecasting methods.

Technical Field

The invention relates to the technical field of tunnel advanced geological prediction, in particular to a tunnel three-dimensional advanced geological prediction method and system.

Background

Unsafe factors and dangerous sources in railway tunnel engineering construction are numerous, the design is wide, all factors are crossed, the levels are complex, safety accidents often occur due to incapability of supervising the factors, and serious economic loss and negative social influence are caused. In the railway tunnel construction process, the adverse geologic body is effectively analyzed and monitored, key disaster factors are identified, and a comprehensive advanced geological forecast system is constructed, so that the accuracy of forecasting the adverse geologic body is improved, and the aim of reducing or reducing safety accidents in the construction period is fulfilled. Today with increasingly developed science and technology, tunnel engineering geological information must be accurately mastered in real time to improve railway tunnel construction quality and ensure tunnel construction and operation safety.

Disclosure of Invention

In view of this, embodiments of the present invention provide a method and a system for tunnel three-dimensional advanced geological prediction, which are convenient for implementing visualization of prediction information.

In a first aspect, an embodiment of the present invention provides a tunnel three-dimensional advanced geological prediction method, including: determining a geographical area where the tunnel is located; acquiring three-dimensional landform geographic information in a preset range of a geographic area where a tunnel is located; establishing a tunnel three-dimensional model according to the three-dimensional landform geographic information, wherein the tunnel three-dimensional model has a simulated three-dimensional landform and a ground layer body positioned below the three-dimensional landform; acquiring geological structure and surrounding rock category data of a geographic area where the tunnel is located, and drawing and displaying a geological structure and surrounding rock category image corresponding to the geological structure and surrounding rock category data in a simulated mode at a corresponding position in the tunnel three-dimensional model; and acquiring advanced forecast data of the tunnel, and drawing and simulating and displaying geological feature and/or hydrologic feature images corresponding to the advanced forecast data in the tunnel three-dimensional model according to the advanced forecast data.

According to a specific implementation manner of the embodiment of the present invention, the acquiring three-dimensional geomorphic geographic information within a predetermined range of a geographic area where a tunnel is located includes: acquiring a ground surface image of a tunnel in a preset range of a geographic area shot by an unmanned aerial vehicle or a satellite; and acquiring three-dimensional landform geographic information in a preset range of the geographic area where the tunnel is located according to the earth surface image.

According to a specific implementation manner of the embodiment of the present invention, the three-dimensional geomorphic geographic information includes: the information of the folds of the earth surface, the size and the trend of the valleys of the earth surface, the fault information of the earth surface, the size and the trend of the channels of the earth surface and the slope information of the earth surface.

According to a specific implementation manner of the embodiment of the present invention, the acquiring advance forecast data of the tunnel, and according to the advance forecast data, drawing and displaying a geological feature and/or a hydrological feature image corresponding to the advance forecast data in the tunnel stereo model in a simulated manner includes: acquiring first advanced forecasting data obtained according to a first advanced geological forecasting method; acquiring second advanced forecasting data obtained according to a second advanced geological forecasting method; and in the tunnel stereo model, drawing and simulating a first geological feature and/or hydrologic feature image corresponding to the first advanced forecast data, and drawing and simulating a second geological feature and/or hydrologic feature image corresponding to the second advanced forecast data.

According to a specific implementation manner of the embodiment of the present invention, the acquiring advance forecast data of the tunnel, and according to the advance forecast data, drawing and displaying a geological feature and/or a hydrological feature image corresponding to the advance forecast data in the tunnel stereo model in a simulated manner includes: acquiring advanced forecast data respectively acquired by more than two advanced geological forecast methods; determining geological features and/or hydrological feature comprehensive prediction results within a preset distance in front of a tunnel face in the tunnel according to advanced prediction data respectively obtained by more than two advanced geological prediction methods; and according to the comprehensive prediction result, drawing and displaying the geological features and/or the hydrological features corresponding to the comprehensive prediction result within a preset distance in front of the tunnel face in the tunnel.

According to a specific implementation manner of the embodiment of the present invention, after the geological feature and/or the hydrological feature corresponding to the comprehensive prediction result is drawn and displayed within a predetermined distance in front of the tunnel face inside the tunnel according to the comprehensive prediction result, the method further includes: acquiring actual excavation data of a tunnel site; determining the actual geological features and/or hydrological features of the tunnel face of the tunnel according to the actual excavation data; determining the confidence degrees of the more than two advanced geological forecasting methods according to the actual geological features and/or hydrological features of the tunnel face; and adjusting the geological advanced forecasting strategy of the next advanced forecasting region in front of the tunnel according to the confidence degrees of more than two advanced geological forecasting methods.

According to a specific implementation manner of the embodiment of the invention, the method for three-dimensional advanced geological prediction of the tunnel further comprises the following steps: and displaying the first geological feature and/or hydrological feature image by adopting the first color system, and displaying the second geological feature and/or hydrological feature image by adopting the second color system.

According to a specific implementation manner of the embodiment of the present invention, after the geological feature and/or the hydrological feature corresponding to the comprehensive prediction result is drawn and displayed within a predetermined distance in front of the tunnel face inside the tunnel according to the comprehensive prediction result, the method further includes: receiving and displaying a forecast image display instruction at a specified position in front of a tunnel face; and displaying the geological feature and/or the hydrological feature image at the specified position in front of the tunnel face.

In a second aspect, an embodiment of the present invention further provides a tunnel three-dimensional advanced geological prediction system, including: the geographic area acquisition module is used for determining the geographic area where the tunnel is located; the geomorphic information acquisition module is used for acquiring three-dimensional geomorphic geographic information in a preset range of a geographic area where the tunnel is located; the model building module is used for building a tunnel three-dimensional model according to the three-dimensional landform geographic information, and the tunnel three-dimensional model has a simulated three-dimensional landform and a ground layer body positioned below the three-dimensional landform; acquiring geological structure and surrounding rock category data of a geographic area where the tunnel is located, and drawing and displaying a geological structure and surrounding rock category image corresponding to the geological structure and surrounding rock category data in a simulated mode at a corresponding position in the tunnel three-dimensional model; and acquiring advanced forecast data of the tunnel, and drawing and simulating and displaying geological feature and/or hydrologic feature images corresponding to the advanced forecast data in the tunnel three-dimensional model according to the advanced forecast data.

According to a specific implementation manner of the embodiment of the invention, the system for three-dimensional advanced geological prediction of a tunnel further comprises: the advanced forecasting strategy adjusting module is used for acquiring actual excavation data of a tunnel site; determining the actual geological features and/or hydrological features of the tunnel face of the tunnel according to the actual excavation data; determining the confidence degrees of the more than two advanced geological forecasting methods according to the actual geological features and/or hydrological features of the tunnel face; and adjusting the geological advanced forecasting strategy of the next advanced forecasting region in front of the tunnel according to the confidence degrees of more than two advanced geological forecasting methods.

According to the tunnel three-dimensional advanced geological forecasting method and system provided by the embodiment of the invention, after the geographical area of the tunnel is determined, the three-dimensional landform geographical information in the preset range of the geographical area of the tunnel is obtained, and the tunnel three-dimensional model is established according to the three-dimensional landform geographical information, wherein the tunnel three-dimensional model has a simulated three-dimensional landform and a ground layer body positioned below the three-dimensional landform. The method comprises the steps of obtaining geological structure and surrounding rock category data of a geographic area where a tunnel is located, drawing and displaying geological structure and surrounding rock category images corresponding to the geological structure and surrounding rock category data in a simulated mode at corresponding positions in a tunnel three-dimensional model, obtaining advanced forecast data of the tunnel, and drawing and displaying geological features and/or hydrologic feature images corresponding to the advanced forecast data in the tunnel three-dimensional model in a simulated mode according to the advanced forecast data, so that the geological features and/or hydrologic features corresponding to the forecast data can be directly displayed in the tunnel three-dimensional model in an image mode, visualization of forecast information is achieved, and potential geological hazards which may exist in a preset distance in front of a palm can be observed visually.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic flow chart of a tunnel three-dimensional advanced geological prediction method according to an embodiment of the present invention;

FIG. 2 is a partial flow chart of a tunnel three-dimensional advanced geological prediction method according to another embodiment of the present invention;

FIG. 3 is a partial flow chart of a tunnel three-dimensional advanced geological prediction method according to another embodiment of the present invention;

FIG. 4 is a schematic flow chart of a tunnel three-dimensional advanced geological prediction method according to another embodiment of the present invention;

fig. 5 is a block diagram of a three-dimensional advanced geological prediction system of a tunnel according to an embodiment of the present invention.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Fig. 1 is a schematic flow chart of a tunnel three-dimensional advanced geological prediction method according to an embodiment of the present invention, and referring to fig. 1, the tunnel three-dimensional advanced geological prediction method according to the embodiment of the present invention includes the steps of:

and S101, determining the geographical area where the tunnel is located.

The geographical area in which the tunnel is located can be determined according to the tunnel planning design.

S102, obtaining three-dimensional landform geographic information in a preset range of a geographic area where the tunnel is located.

The landform in the preset range of the geographic area where the tunnel is located is one of important factors influencing the safe construction of the tunnel. The three-dimensional relief geographic information may include: the information of the folds of the earth surface, the size and the trend of the valleys of the earth surface, the fault information of the earth surface, the size and the trend of the channels of the earth surface, the slope information of the earth surface, and the like.

The three-dimensional landform geographic information in the predetermined range of the geographic area where the tunnel is located can be the three-dimensional landform geographic information of 1-2.5km at two sides of the central line of the tunnel.

The acquiring three-dimensional landform geographic information in a predetermined range of a geographic area where the tunnel is located may include: acquiring a ground surface image of a tunnel in a preset range of a geographic area shot by an unmanned aerial vehicle or a satellite; and acquiring three-dimensional landform geographic information in a preset range of the geographic area where the tunnel is located according to the earth surface image.

Specifically, the geographic image information in the preset range of the geographic area where the tunnel is located can be shot by the unmanned aerial vehicle, and the three-dimensional landform geographic information in the preset range of the geographic area where the tunnel is located is extracted according to the geographic image information.

And acquiring geographic image information, shot by a satellite, in a predetermined range of a geographic area where the tunnel is located from Google Earth through a plug-in on a Google Sketch up platform, and extracting three-dimensional geomorphic geographic information in the predetermined range of the geographic area where the tunnel is located according to the geographic image information.

S103, establishing a tunnel three-dimensional model according to the three-dimensional landform geographic information, wherein the tunnel three-dimensional model has a simulated three-dimensional landform and a ground layer body positioned below the three-dimensional landform.

The obtained three-dimensional landform geographic information can improve the foundation for a tunnel three-dimensional model on one hand, and can provide basis and reference for selection of a tunnel advanced prediction method on the other hand.

And establishing a tunnel three-dimensional model according to the three-dimensional landform geographic information by using three-dimensional model design software Google Sketch up, wherein the tunnel three-dimensional model has a simulated three-dimensional landform and a ground layer body positioned below the three-dimensional landform. The tunnel is located in the ground layer body. The stratum body comprises geological and hydrological structures such as soil layers and surrounding rock layers.

S104, acquiring geological structure and surrounding rock type data of the geographic area where the tunnel is located, and drawing and displaying geological structure and surrounding rock type images corresponding to the geological structure and surrounding rock type data in a simulated mode at corresponding positions in the tunnel three-dimensional model.

The geological basic data of the geographic area where the tunnel is located can be obtained according to field mapping in combination with the construction process, and the stratigraphic lithology, the geological structure, the surrounding rock category and the like of the geographic area where the tunnel is located are determined. And then drawing and simulating the geological basic information to display the geological basic information at corresponding positions in the tunnel three-dimensional model to form the tunnel three-dimensional model with basic geological conditions.

And S105, acquiring advanced forecast data of the tunnel, and drawing and simulating and displaying geological features and/or hydrologic feature images corresponding to the advanced forecast data in the tunnel three-dimensional model according to the advanced forecast data.

In the embodiment, after the geographical area where the tunnel is located is determined, advance forecast data of the tunnel is obtained, and according to the advance forecast data, geological feature images and/or hydrological feature images corresponding to the advance forecast data are drawn and displayed in a simulated mode in the tunnel three-dimensional model.

The geological and hydrological conditions in front of the tunnel face can be detected by a TSP advanced detection method, an infrared detector advanced detection method, a geological radar detection method, a tube resolution electric method, an advanced geological drilling method and the like. And acquiring corresponding advanced prediction data, and drawing and simulating and displaying geological features and/or hydrologic feature images corresponding to the advanced prediction data in a tunnel three-dimensional model according to the advanced prediction data.

In one example, TSP203 prediction systems may be used for TSP advanced detection. The TSP203 forecasting system is advanced equipment developed by Anberg, Switzerland, is mainly used for advanced geological forecasting of disasters in tunnels and underground projects, can quickly forecast geological conditions in a large range in front of a tunnel face, can make up for the defect that the traditional geological forecasting method can only carry out qualitative forecasting but cannot carry out quantitative forecasting on the disasters, and opens up a new idea for accurate and quantitative geological forecasting.

An infrared detector can be adopted to detect the hydrogeological conditions of the tunnel face in front of the tunnel, and the position of the water-rich zone and the water-rich condition in the approximate range in front of the tunnel face can be mastered. In the tunnel, the electromagnetic wave of infrared wave band is all outwards launched at every moment to the country rock to form infrared good fortune and penetrate the field, the field has information such as density, energy, direction, is being outside the information that launches infrared good fortune and penetrates through knowing the stratum, can infer tunnel face the place ahead rock mass geological information according to this. The principle is that the dry waterless stratum and the water-bearing stratum can emit infrared radiation with different intensities, and whether hidden water-bearing structures are contained in front of the tunnel face and around the tunnel wall or not is analyzed and inferred through the infrared radiation intensity difference and the infrared radiation field intensity change value sent by the received rock mass.

The geological radar carries out short-distance accurate detection on soluble rock sections, syncline nuclear parts, invasion contact zones, soft and hard rock contact zones, faults and influence zones thereof or abnormal zones discovered by advanced detection, and accurately finds out the position, scale, form, filling condition and water-rich condition of karst fracture development and engineering geological and hydrogeological conditions such as fault fracture zone, fracture development zone position, scale, contact zone rock integrity and the like. The survey line is mainly arranged on the face, and four survey lines are arranged on each face of the main tunnel, and are arranged in a shape like a Chinese character mi, so that the accuracy of detection is improved. Each face of the inclined shaft can be provided with three measuring lines.

The hydrogeological conditions in front of the tunnel can be detected by adopting a high-resolution electrical method instrument, and the position of a water-rich zone and the water-rich condition in the approximate range in front of the tunnel face can be mastered.

Advanced geological drilling methods. For a weak development section of tunnel karst, a hole advanced probing hole is adopted for communicating, and when necessary, porous detection is adopted for abnormal sections detected by fault fracture zones, skirt wrinkle zones, valley zones, soluble rock and non-soluble rock contact zones, fracture development zones, litho vein exposure zones and other prediction means during the exploration of medium and strong development of the karst and complex sections; and the advanced geological exploration is adopted to carry out advanced verification and detection on the major abnormal sections detected by other forecasting means in the key complex section.

In this embodiment, after the geographic area where the tunnel is located is determined, three-dimensional geomorphic geographic information within a predetermined range of the geographic area where the tunnel is located is obtained, and a tunnel stereo model is established according to the three-dimensional geomorphic geographic information, where the tunnel stereo model has a simulated three-dimensional geomorphic and a ground layer body located below the three-dimensional geomorphic. The method comprises the steps of obtaining geological structure and surrounding rock category data of a geographic area where a tunnel is located, drawing and displaying geological structure and surrounding rock category images corresponding to the geological structure and surrounding rock category data in a simulated mode at corresponding positions in a tunnel three-dimensional model, obtaining advanced forecast data of the tunnel, and drawing and displaying geological features and/or hydrologic feature images corresponding to the advanced forecast data in the tunnel three-dimensional model in a simulated mode according to the advanced forecast data, so that the geological features and/or hydrologic features corresponding to the forecast data can be directly displayed in the tunnel three-dimensional model in an image mode, visualization of forecast information is achieved, and potential geological hazards which may exist in a preset distance in front of a palm can be observed visually.

In order to conveniently and clearly display geological features and/or hydrologic feature images corresponding to the advanced forecast data, rock and soil around the tunnel can be transparently displayed. So as to more intuitively observe potential geological hazards that may exist within a predetermined distance in front of the tunnel face and to take effective preventive measures early.

Referring to fig. 2, in another embodiment, based on the foregoing embodiment, the obtaining of the advance forecast data of the tunnel, and according to the advance forecast data, drawing and simulating a geological feature and/or a hydrological feature image corresponding to the advance forecast data in the tunnel stereo model may include:

s1051a, obtaining first advanced forecasting data obtained according to a first advanced geological forecasting method;

s1052a, acquiring second advanced forecasting data obtained according to the second advanced geological forecasting method;

and S1053a, drawing and simulating and displaying a first geological feature and/or hydrologic feature image corresponding to the first advanced forecast data and drawing and simulating and displaying a second geological feature and/or hydrologic feature image corresponding to the second advanced forecast data in the tunnel stereo model.

In order to obtain more intuitively, different geological and/or hydrological feature images are obtained by different pre-geological prediction methods, and the geological and/or hydrological feature images obtained by the different pre-geological prediction methods can be respectively displayed by different colors. Specifically, the method may further include: and displaying the first geological feature and/or hydrological feature image by adopting a first color system (such as a blue color system), and displaying the second geological feature and/or hydrological feature image by adopting a second color system (such as a yellow color system). The first geological feature and/or hydrological feature image is an image drawn according to first advanced forecasting data obtained by a first advanced geological forecasting method; and the second geological feature and/or hydrological feature image is an image drawn according to second advanced geological prediction data obtained by a second advanced geological prediction method.

The first advanced geological prediction method and the second advanced geological prediction method are different and can be respectively a TSP advanced detection method, an infrared detector advanced detection method, a geological radar detection method, a tube resolution electric method and an advanced geological drilling method.

In this embodiment, the advanced geological prediction data obtained by different advanced geological prediction methods can be respectively and independently drawn and displayed in a simulated manner in the tunnel three-dimensional model. And the geological feature and/or hydrological feature images displayed in the tunnel stereo model are associated with the corresponding advanced geological forecasting methods respectively.

In one example, a detection method tag may be set in a geological feature and/or a hydrological feature image displayed in the tunnel stereo model, and a corresponding detection method name may be associated (or stored) in the method tag. And clicking the method label, popping up and displaying the corresponding detection method name, so that the geological characteristic and/or hydrological characteristic image displayed in the tunnel three-dimensional model can be conveniently obtained by which detection method.

In another example, a plurality of different sounding method tags may be displayed at predetermined locations of the tunnel volumetric model, each sounding method tag associated (or stored) with a corresponding sounding method name, clicking on a sounding method tag may display a geological feature and/or a hydrological feature image in the tunnel volumetric model, and clicking on the same sounding method tag again may hide a corresponding geological feature and/or hydrological feature image in the tunnel volumetric model. Furthermore, in the same detection method label, time labels for detection by using the detection method at different construction advancing stages can be provided, a time label is clicked, and geological features and/or hydrological feature images corresponding to detection data obtained by detecting by using the detection method at the time point corresponding to the time label can be displayed in the tunnel three-dimensional model; and clicking another time label, and displaying the geological feature and/or hydrological feature image corresponding to the detection data obtained by detecting at another time point corresponding to the time label by using the detection method in the tunnel stereo model. Furthermore, in the same detection method label, a full-time label for detection by using the detection method in different construction propulsion stages can be provided, and when the full-time label is clicked, geological features and/or hydrological feature images corresponding to detection data obtained by detecting by using the detection method in different construction propulsion stages can be simultaneously displayed in the tunnel three-dimensional model.

Each detection method label is associated (or stored) with a corresponding detection method name, and is also associated (or stored) with the detection steps of the corresponding detection method and the detection tools, equipment and related parameters used in the detection process, so that the detection conditions and the detection process at the moment can be accurately and comprehensively obtained, and thus, the detection result can be visually displayed, meanwhile, the centralized management of the detection data can be conveniently carried out, and the digitization of the forecast information is realized.

After receiving the advance forecast data instruction for displaying the first advance geological forecast method, for example, a user clicks a detection method tag corresponding to the first advance geological forecast method, and only the geological features and/or the hydrological feature images obtained by the first advance geological forecast method may be displayed in the tunnel stereo model.

Due to the fact that a TSP advanced detection method, an infrared detector advanced detection method, a geological radar detection method and a cylinder resolution electrical method possibly have certain limitations and multiple solutions and face complex and variable geological conditions, geophysical prospecting can only provide geological disasters possibly existing in an abnormal area. At this time, advanced horizontal drilling detection needs to be added in the abnormal area to directly verify the geological condition in the abnormal area.

Referring to fig. 3, in a further embodiment, based on the foregoing embodiment, the obtaining of the advance forecast data of the tunnel, and according to the advance forecast data, drawing and simulating a geological feature and/or a hydrological feature image corresponding to the advance forecast data in the tunnel stereo model may include:

s1051b, obtaining advanced forecasting data respectively obtained by more than two advanced geological forecasting methods;

s1052b, determining geological features and/or hydrological feature comprehensive prediction results within a preset distance in front of a tunnel face in the tunnel according to advanced prediction data respectively obtained by more than two advanced geological prediction methods;

and S1053b, drawing and displaying the geological features and/or hydrological features corresponding to the comprehensive prediction result within a preset distance in front of the tunnel face in the tunnel according to the comprehensive prediction result.

In the embodiment, the geological features and/or hydrological features corresponding to the comprehensive prediction result are drawn and displayed within the preset distance in front of the tunnel face in the tunnel, so that the lithology, rock mass structure, geological structure and groundwater water-containing condition of the tunnel face surrounding rock can be more accurately and intuitively obtained, the engineering geological condition of the tunnel face surrounding rock is judged, and reasonable measure suggestions are provided according to the comprehensive prediction result.

On the basis of the embodiment, further, a detection method label can be displayed at a predetermined position of the tunnel stereo model, the detection method label is associated with (or stores) a combination of all detection method names (also called a combined detection method name) used for comprehensive prediction, the detection method label is clicked, a geological feature and/or a hydrological feature image corresponding to a comprehensive prediction result can be displayed in the tunnel stereo model, the same detection method label is clicked again, and the geological feature and/or the hydrological feature image corresponding to the comprehensive prediction result can be hidden in the tunnel stereo model. Furthermore, in the detection method labels, time labels for detection by using a combined detection method at different construction advancing stages can be provided, and a time label is clicked, so that geological features and/or hydrological feature images corresponding to detection data obtained by detecting by using the combined detection method at a time point corresponding to the time label can be displayed in the tunnel three-dimensional model; and clicking another time label, and displaying the geological feature and/or hydrological feature image corresponding to the detection data obtained by detecting at another time point corresponding to the time label by using the combined detection method in the tunnel stereo model. Furthermore, the detection method labels can be provided with full-time labels for detection by using a combined detection method in different construction propulsion stages, and geological features and/or hydrological feature images corresponding to comprehensive prediction results obtained by detection by using the combined detection method in different construction propulsion stages can be simultaneously displayed in the tunnel three-dimensional model by clicking the full-time labels.

The detection method label is associated (or stored) with the combination of the names of all the detection methods adopted by the comprehensive prediction, and is also associated (or stored) with the detection steps of all the detection methods in the combined detection method and the detection tools, equipment and related parameters used in the detection process, so that the detection conditions and the detection process at the time can be accurately and comprehensively obtained, and thus, the detection result can be visually displayed, and meanwhile, the centralized management of the detection data can be conveniently carried out.

Referring to fig. 4, in a further implementation, based on the above-mentioned embodiments shown in fig. 1 to 3, after the geological feature and/or the hydrological feature corresponding to the comprehensive prediction result is plotted and displayed within a predetermined distance in front of the tunnel interior face according to the comprehensive prediction result, the method may further include:

s106, acquiring actual excavation data of a tunnel site;

s107, determining the actual geological features and/or hydrological features of the tunnel face of the tunnel according to the actual excavation data;

s108, determining the confidence degrees of the more than two advanced geological forecasting methods according to the actual geological features and/or hydrological features of the tunnel face;

and S109, adjusting the geological advanced forecasting strategy of the next advanced forecasting region in front of the tunnel according to the confidence degrees of more than two advanced geological forecasting methods. For example, one or more advanced geological prediction methods with confidence coefficient exceeding a predetermined threshold value can be adopted when geological advanced prediction is performed in the next advanced prediction area in front of the tunnel, so that the accuracy of advanced prediction is improved, and unnecessary prediction cost is reduced.

On the basis of the above embodiment, after the geological feature and/or the hydrological feature corresponding to the comprehensive prediction result is drawn and displayed within a predetermined distance in front of the tunnel interior face according to the comprehensive prediction result, the method further includes:

receiving and displaying a forecast image display instruction at a specified position in front of a tunnel face;

and displaying the geological feature and/or the hydrological feature image at the specified position in front of the tunnel face.

Therefore, the geological characteristics and/or the hydrological characteristics of the appointed position in front of the tunnel face can be visually checked at any time, and preventive preparation is made for subsequent operation.

The embodiment of the invention also provides a tunnel three-dimensional advanced geological prediction system, which comprises: a geographic region acquisition module 101, a landform information acquisition module 102 and a model establishing module 103; the geographic area acquisition module 101 is configured to determine a geographic area where the tunnel is located; the geomorphic information acquisition module 102 is configured to acquire three-dimensional geomorphic geographic information within a predetermined range of a geographic area where a tunnel is located; the model establishing module 103 is used for establishing a tunnel three-dimensional model according to the three-dimensional landform geographic information, wherein the tunnel three-dimensional model has a simulated three-dimensional landform and a ground layer body positioned below the three-dimensional landform; acquiring geological structure and surrounding rock category data of a geographic area where the tunnel is located, and drawing and displaying a geological structure and surrounding rock category image corresponding to the geological structure and surrounding rock category data in a simulated mode at a corresponding position in the tunnel three-dimensional model; and acquiring advanced forecast data of the tunnel, and drawing and simulating and displaying geological feature and/or hydrologic feature images corresponding to the advanced forecast data in the tunnel three-dimensional model according to the advanced forecast data.

The system of this embodiment may implement the method described in the method embodiment shown in fig. 1, and the implementation principle and the technical effect are similar, which are not described herein again.

In another embodiment of the three-dimensional advanced geological prediction system for tunnel, on the basis of the foregoing embodiment of the three-dimensional advanced geological prediction system for tunnel, the three-dimensional advanced geological prediction system for tunnel further includes: the advanced forecasting strategy adjusting module is used for acquiring actual excavation data of a tunnel site; determining the actual geological features and/or hydrological features of the tunnel face of the tunnel according to the actual excavation data; determining the confidence degrees of the more than two advanced geological forecasting methods according to the actual geological features and/or hydrological features of the tunnel face; and adjusting the geological advanced forecasting strategy of the next advanced forecasting region in front of the tunnel according to the confidence degrees of more than two advanced geological forecasting methods. For example, one or more advanced geological prediction methods with confidence coefficient exceeding a predetermined threshold value can be adopted when geological advanced prediction is performed in the next advanced prediction area in front of the tunnel, so that the accuracy of advanced prediction is improved, and unnecessary prediction cost is reduced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.

In particular, as for the apparatus embodiment, since it is substantially similar to the method embodiment, the description is relatively simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

For convenience of description, the above devices are described separately in terms of functional division into various units/modules. Of course, the functionality of the units/modules may be implemented in one or more software and/or hardware implementations of the invention.

It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.