阅读说明：本技术 一种泥岩地层盾构泥饼防结系统及防结方法 (Mudstone stratum shield mud cake anti-caking system and anti-caking method ) 是由 邰华松 杨延昭 赵勇 马超 孙淑兰 曹雪杉 王为 寇恩宇 王悦宇 陈天龙 于 2020-11-19 设计创作，主要内容包括：本发明属于隧道施工技术领域,公开了一种泥岩地层盾构泥饼防结系统及防结方法,所述泥岩地层盾构泥饼防结系统包括：施工信息获取模块、隧道路径分析模块、地质分析模块、中央控制模块、地质模型构建模块、隧道路径植入模块、隧道施工模型分析模块、盾构机参数获取模块、定位模块、泥饼监测模块、泥饼清理模块；本发明通过对施工区域的地质以及施工路线进行规划,能够实现对隧道施工中的地质的分析,得到隧道施工中复杂地质的区间,方便在这一区间进行刀盘的防结泥饼的处理；在非复杂施工区域进行刀盘监测,及时进行刀盘上泥饼的清理,实现隧道施工的方便性的提升,同时实现对盾构隧道掘进机的保护,延长使用寿命。(The invention belongs to the technical field of tunnel construction, and discloses a mudstone stratum shield mud cake anti-caking system and an anti-caking method, wherein the mudstone stratum shield mud cake anti-caking system comprises: the system comprises a construction information acquisition module, a tunnel path analysis module, a geological analysis module, a central control module, a geological model construction module, a tunnel path implantation module, a tunnel construction model analysis module, a shield tunneling machine parameter acquisition module, a positioning module, a mud cake monitoring module and a mud cake cleaning module; according to the method, the geology and the construction route of the construction area are planned, so that the geology in tunnel construction can be analyzed, the interval of complex geology in tunnel construction is obtained, and the anti-caking of a cutterhead is conveniently carried out in the interval; the method has the advantages that the cutter head is monitored in a non-complex construction area, mud cakes on the cutter head are cleaned in time, convenience in tunnel construction is improved, the shield tunnel heading machine is protected, and the service life is prolonged.)

1. The utility model provides a mudstone stratum shield mud cake prevents knot system which characterized in that, mudstone stratum shield mud cake prevents knot system includes:

the system comprises a construction information acquisition module, a tunnel path analysis module, a geological analysis module, a central control module, a geological model construction module, a tunnel path implantation module, a tunnel construction model analysis module, a shield tunneling machine parameter acquisition module, a positioning module, a mud cake monitoring module and a mud cake cleaning module;

the construction information acquisition module is connected with the central control module and used for acquiring construction information through a construction information acquisition program, wherein the construction information comprises a tunnel path and construction area geology;

the tunnel path analysis module is connected with the central control module and is used for analyzing the tunnel path through a tunnel path analysis program;

the geological analysis module is connected with the central control module and is used for analyzing the geological information of the construction area acquired by the geological analysis program;

the central control module is connected with the construction information acquisition module, the tunnel path analysis module, the geological model construction module, the tunnel path implantation module, the tunnel construction model analysis module, the shield tunneling machine parameter acquisition module, the positioning module, the mud cake monitoring module and the mud cake cleaning module and is used for controlling the modules to normally operate through the main control machine;

the geological model building module is connected with the central control module and used for building a geological model of the construction area according to the geological analysis result of the construction area through a geological model building program;

the tunnel path implantation module is connected with the central control module and used for implanting the tunnel path into the geological model according to the tunnel path analysis result through a tunnel path implantation program to obtain a tunnel construction model;

the tunnel construction model analysis module is connected with the central control module and used for analyzing the tunnel construction model through a tunnel construction model analysis program, determining a geological complex interval in tunnel construction and marking the interval;

the shield machine parameter acquisition module is connected with the central control module and is used for acquiring shield machine parameters through a shield machine parameter acquisition program;

the positioning module is connected with the central control module and is used for determining the position of the shield machine in tunnel construction through a shield machine positioning program;

the mud cake monitoring module is connected with the central control module and used for monitoring mud cakes on a cutter head of the shield tunneling machine through a mud cake monitoring program to obtain a conclusion whether the mud cakes are formed or not;

and the mud cake cleaning module is connected with the central control module and is used for cleaning mud cakes in the interval marked in the tunnel and when the mud cakes are formed through a mud cake cleaning program.

2. The mudstone formation shield mud cake anti-caking method for the mudstone formation shield mud cake anti-caking system according to claim 1, which is characterized by comprising the following steps:

acquiring construction information by a construction information acquisition module by using a construction information acquisition program, wherein the construction information comprises a tunnel path and construction area geology;

analyzing the tunnel path by using a tunnel path analysis program through a tunnel path analysis module; analyzing the geological information of the construction area acquired by a geological analysis module by utilizing a geological analysis program;

thirdly, constructing a geological model of the construction area according to the geological analysis result of the construction area by a geological model construction program through a geological model construction module; implanting the tunnel path into a geological model by using a tunnel path implanting program through a tunnel path implanting module according to the tunnel path analysis result to obtain a tunnel construction model;

analyzing the tunnel construction model by using a tunnel construction model analysis program through a tunnel construction model analysis module, determining a complex geological interval in tunnel construction, and labeling the interval;

acquiring parameters of the shield machine by using a shield machine parameter acquisition program through a shield machine parameter acquisition module; determining the position of the shield machine in tunnel construction by using a shield machine positioning program through a positioning module;

monitoring mud cakes on a cutter head of the shield machine by a mud cake monitoring module by using a mud cake monitoring program to obtain a conclusion whether the mud cakes are formed or not; and cleaning the mud cakes by using a mud cake cleaning program through a mud cake cleaning module when the tunnels mark intervals and the mud cakes are formed.

3. The mudstone formation shield mud cake anti-caking method of claim 2, wherein in the second step, the analyzing the geological information of the construction area obtained by the geological analysis module by using a geological analysis program comprises:

(1) acquiring a remote sensing image of a construction area, and performing construction interpretation based on the remote sensing image;

(2) importing a gridded and registered gravity and aviation magnetic force abnormal equivalent graph covering a research area;

(3) verifying the reliability of the remote sensing interpretation trellis structure and deducing the deep characteristics of the structure by analyzing the abnormal form and the distribution characteristics, and if the interpretation trellis structure is displayed on aeromagnetic and gravity abnormity, keeping; if not, deleting;

(4) and importing a geological map database of the construction area, selecting polygons including stratum and rock mass attributes within a certain distance of the grid structure, and deducing geological information of the construction area of the grid structure.

4. The mudstone formation shield mudcake anticaking method according to claim 3, wherein in the step (1), the structure interpretation based on the remote sensing image comprises: placing the remote sensing images with the geographic coordinates in the construction area into the same visual field to obtain a grid structure; and then amplifying step by step to interpret the region structure, and interpreting the region structure.

5. The mudstone formation shield mud cake anti-caking method of claim 2, wherein in the third step, the construction of the geological model of the construction area by the geological model construction module according to the geological analysis result of the construction area by the geological model construction program comprises:

(1) constructing an initial stratum interface by using the acquired drilling point data aiming at the construction area;

(2) smoothing the constructed stratum interface by using a geometric self-adaptive method to generate a constructed stratum interface;

(3) constructing a three-dimensional stratum entity by using the constructed stratum interface;

(4) and integrating the generated three-dimensional geological entity and the constructed geological interface to generate a three-dimensional geological model.

6. The mudstone formation shield mudcake anti-caking method of claim 5, wherein in the step (1), the constructing an initial stratigraphic interface by using the obtained drilling point data for the construction area comprises: and manually dividing a good layer interface, then generating a grid by using the drilling point data of the divided stratum interface, and increasing the density of the original drilling point by adopting a data interpolation method in the area with large fluctuation of the stratum interface and small drilling quantity.

7. The mudstone formation shield mud cake anti-caking method of claim 2, wherein in the fifth step, the shield machine parameters are shield machine excavation parameters, and the method comprises the following steps: the shield tunneling machine comprises a shield tunneling machine thrust, a torque, a tunneling speed and a cutter head temperature.

8. The mudstone formation shield mud cake anti-caking method of claim 2, wherein in step six, the monitoring of the mud cake on the cutter head of the shield machine by the mud cake monitoring module by using the mud cake monitoring program comprises:

(1) monitoring the highest temperature of a cutter head in a tunneling cycle in the normal tunneling process of the shield tunneling machine;

(2) when the circulating temperature is higher than the highest temperature of the cutter head and the thrust and the torque of the cutter head are continuously increased, calculating the cooling rate of the cutter head of the shield machine during shutdown;

(3) constructing a mud cake tunneling database according to the parameters of the shield tunneling machine;

(4) and comparing the cooling rate of the cutter head when the machine is stopped in the mud cake tunneling database, and if the cooling rate is less than the cooling rate stored in the database when the machine is stopped under the same working condition, judging that mud cakes are formed.

9. The mudstone formation shield mud cake anti-caking method of claim 8, wherein in the step (4), after judging that the mud cake is formed, the method further comprises: and if the mud cake phenomenon occurs, storing the temperature data and the tunneling parameters into a mud cake tunneling database.

10. The mudstone formation shield mud cake anti-caking method of claim 2, wherein in the sixth step, the mud cake cleaning is performed by the mud cake cleaning module by using a mud cake cleaning program in the tunnel labeling section and the mud cake forming, and the method comprises the following steps:

after the mud cake is monitored to be generated, constructing a mud wall in advance at a position 15-25m ahead of the shield construction; after the shield cutter head attached with the mud cakes contacts the mud brushing wall, the shield drives water into the shield from the front of the cutter head through foam holes in the front of the cutter head, simultaneously reduces the propelling speed of the shield and the rotating speed of the cutter head, and removes the mud cakes on the shield cutter head through the friction of the cutter head.

Technical Field

The invention belongs to the technical field of tunnel construction, and particularly relates to a mudstone stratum shield mud cake anti-caking system and an anti-caking method.

Background

At present: the shield tunneling machine is a special engineering machine for tunneling, integrates light, mechanical, electrical, hydraulic, sensing and information technologies, has the functions of excavating and cutting soil, conveying soil slag, assembling tunnel lining, measuring, guiding, correcting deviation and the like, relates to multiple subject technologies such as geology, construction, machinery, mechanics, hydraulic pressure, electrical, control, measurement and the like, is designed and manufactured in a 'body-measuring clothes-cutting' mode according to different geology, and has extremely high reliability requirement. The shield tunneling machine is widely used for tunnel engineering of subway, railway, highway, municipal administration, hydropower and the like.

When the shield tunnel boring machine is used, a cutter head panel can be stuck by mud cakes in a specific stratum, such as clay and mudstone stratum shield in the construction process, a cutter can not effectively cut a soil layer, the tunneling efficiency is low, the stratum disturbance is large, and the long-time friction between the mud cakes and the stratum can generate a large amount of heat, so that the problem that the sealing of a main bearing fails is easily solved. At present, no scheme for automatically detecting and cleaning mud cakes is available temporarily, and mud cake prevention of a mud rock stratum shield cannot be realized, so that tunnel construction is influenced.

Through the above analysis, the problems and defects of the prior art are as follows: at present, no scheme for automatically detecting and cleaning mud cakes is available temporarily, and mud cake prevention of a mud rock stratum shield cannot be realized, so that tunnel construction is influenced.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a mudstone stratum shield mud cake anti-caking system and an anti-caking method.

The invention is realized in this way, a mudstone stratum shield mud cake anti-caking system, which comprises:

the system comprises a construction information acquisition module, a tunnel path analysis module, a geological analysis module, a central control module, a geological model construction module, a tunnel path implantation module, a tunnel construction model analysis module, a shield tunneling machine parameter acquisition module, a positioning module, a mud cake monitoring module and a mud cake cleaning module;

the construction information acquisition module is connected with the central control module and used for acquiring construction information through a construction information acquisition program, wherein the construction information comprises a tunnel path and construction area geology;

the tunnel path analysis module is connected with the central control module and is used for analyzing the tunnel path through a tunnel path analysis program;

the geological analysis module is connected with the central control module and is used for analyzing the geological information of the construction area acquired by the geological analysis program;

the central control module is connected with the construction information acquisition module, the tunnel path analysis module, the geological model construction module, the tunnel path implantation module, the tunnel construction model analysis module, the shield tunneling machine parameter acquisition module, the positioning module, the mud cake monitoring module and the mud cake cleaning module and is used for controlling the modules to normally operate through the main control machine;

the geological model building module is connected with the central control module and used for building a geological model of the construction area according to the geological analysis result of the construction area through a geological model building program;

the tunnel path implantation module is connected with the central control module and used for implanting the tunnel path into the geological model according to the tunnel path analysis result through a tunnel path implantation program to obtain a tunnel construction model;

the tunnel construction model analysis module is connected with the central control module and used for analyzing the tunnel construction model through a tunnel construction model analysis program, determining a geological complex interval in tunnel construction and marking the interval;

the shield machine parameter acquisition module is connected with the central control module and is used for acquiring shield machine parameters through a shield machine parameter acquisition program;

the positioning module is connected with the central control module and is used for determining the position of the shield machine in tunnel construction through a shield machine positioning program;

the mud cake monitoring module is connected with the central control module and used for monitoring mud cakes on a cutter head of the shield tunneling machine through a mud cake monitoring program to obtain a conclusion whether the mud cakes are formed or not;

and the mud cake cleaning module is connected with the central control module and is used for cleaning mud cakes in the interval marked in the tunnel and when the mud cakes are formed through a mud cake cleaning program.

The invention also aims to provide a mudstone stratum shield mud cake anti-caking method, which comprises the following steps:

acquiring construction information by a construction information acquisition module by using a construction information acquisition program, wherein the construction information comprises a tunnel path and construction area geology;

analyzing the tunnel path by using a tunnel path analysis program through a tunnel path analysis module; analyzing the geological information of the construction area acquired by a geological analysis module by utilizing a geological analysis program;

thirdly, constructing a geological model of the construction area according to the geological analysis result of the construction area by a geological model construction program through a geological model construction module; implanting the tunnel path into a geological model by using a tunnel path implanting program through a tunnel path implanting module according to the tunnel path analysis result to obtain a tunnel construction model;

analyzing the tunnel construction model by using a tunnel construction model analysis program through a tunnel construction model analysis module, determining a complex geological interval in tunnel construction, and labeling the interval;

acquiring parameters of the shield machine by using a shield machine parameter acquisition program through a shield machine parameter acquisition module; determining the position of the shield machine in tunnel construction by using a shield machine positioning program through a positioning module;

monitoring mud cakes on a cutter head of the shield machine by a mud cake monitoring module by using a mud cake monitoring program to obtain a conclusion whether the mud cakes are formed or not; and cleaning the mud cakes by using a mud cake cleaning program through a mud cake cleaning module when the tunnels mark intervals and the mud cakes are formed.

Further, in the second step, the analyzing the geological information of the construction area, which is obtained by the geological analysis module by using the geological analysis program, includes:

(1) acquiring a remote sensing image of a construction area, and performing construction interpretation based on the remote sensing image;

(2) importing a gridded and registered gravity and aviation magnetic force abnormal equivalent graph covering a research area;

(3) verifying the reliability of the remote sensing interpretation trellis structure and deducing the deep characteristics of the structure by analyzing the abnormal form and the distribution characteristics, and if the interpretation trellis structure is displayed on aeromagnetic and gravity abnormity, keeping; if not, deleting;

(4) and importing a geological map database of the construction area, selecting polygons including stratum and rock mass attributes within a certain distance of the grid structure, and deducing geological information of the construction area of the grid structure.

Further, in step (1), the structure interpretation based on the remote sensing image comprises: placing the remote sensing images with the geographic coordinates in the construction area into the same visual field to obtain a grid structure; and then amplifying step by step to interpret the region structure, and interpreting the region structure.

Further, in the third step, the construction of the geological model of the construction area by the geological model construction module according to the geological analysis result of the construction area by the geological model construction program comprises:

(1) constructing an initial stratum interface by using the acquired drilling point data aiming at the construction area;

(2) smoothing the constructed stratum interface by using a geometric self-adaptive method to generate a constructed stratum interface;

(3) constructing a three-dimensional stratum entity by using the constructed stratum interface;

(4) and integrating the generated three-dimensional geological entity and the constructed geological interface to generate a three-dimensional geological model.

Further, in step (1), the constructing an initial stratigraphic interface by using the obtained drilling point data for the construction area includes: and manually dividing a good layer interface, then generating a grid by using the drilling point data of the divided stratum interface, and increasing the density of the original drilling point by adopting a data interpolation method in the area with large fluctuation of the stratum interface and small drilling quantity.

Further, in the fifth step, the parameters of the shield machine are the excavation parameters of the shield machine, and the method comprises the following steps: the shield tunneling machine comprises a shield tunneling machine thrust, a torque, a tunneling speed and a cutter head temperature.

Further, in step six, utilize mud cake monitoring program to monitor the mud cake on the cutter head of shield structure machine through mud cake monitoring module, include:

(1) monitoring the highest temperature of a cutter head in a tunneling cycle in the normal tunneling process of the shield tunneling machine;

(2) when the circulating temperature is higher than the highest temperature of the cutter head and the thrust and the torque of the cutter head are continuously increased, calculating the cooling rate of the cutter head of the shield machine during shutdown;

(3) constructing a mud cake tunneling database according to the parameters of the shield tunneling machine;

(4) and comparing the cooling rate of the cutter head when the machine is stopped in the mud cake tunneling database, and if the cooling rate is less than the cooling rate stored in the database when the machine is stopped under the same working condition, judging that mud cakes are formed.

Further, in the step (4), after it is judged that the mud cake is formed, the method further includes: and if the mud cake phenomenon occurs, storing the temperature data and the tunneling parameters into a mud cake tunneling database.

Further, in step six, utilize mud cake clearance procedure to carry out mud cake clearance when tunnel mark interval and knot mud cake through mud cake clearance module, include:

after the mud cake is monitored to be generated, constructing a mud wall in advance at a position 15-25m ahead of the shield construction; after the shield cutter head attached with the mud cakes contacts the mud brushing wall, the shield drives water into the shield from the front of the cutter head through foam holes in the front of the cutter head, simultaneously reduces the propelling speed of the shield and the rotating speed of the cutter head, and removes the mud cakes on the shield cutter head through the friction of the cutter head.

By combining all the technical schemes, the invention has the advantages and positive effects that: according to the method, the geology and the construction route of the construction area are planned, so that the geology in tunnel construction can be analyzed, the interval of complex geology in tunnel construction is obtained, and the anti-caking of a cutterhead is conveniently carried out in the interval; the method has the advantages that the cutter head is monitored in a non-complex construction area, mud cakes on the cutter head are cleaned in time, convenience in tunnel construction is improved, the shield tunnel heading machine is protected, and the service life is prolonged. The method does not need to greatly modify the cutter head structure of the shield machine, improves the judgment accuracy of the method for judging the maximum temperature value, can prompt constructors to take measures for removing mud cakes in time, and improves the shield construction efficiency. The mud cake removing method saves cost and construction period, and is safe, reliable and high in efficiency.

Drawings

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

Fig. 1 is a structural block diagram of a mudstone formation shield mud cake anti-caking system provided by an embodiment of the invention.

Fig. 2 is a flow chart of a mudstone formation shield mud cake anti-caking method provided by the embodiment of the invention.

Fig. 3 is a flowchart of analyzing geological information of a construction area acquired by a geological analysis module by using a geological analysis program according to an embodiment of the present invention.

Fig. 4 is a flowchart of the construction of a geological model of a construction area according to a geological analysis result of the construction area by a geological model construction module using a geological model construction program according to an embodiment of the present invention.

Fig. 5 is a flowchart for monitoring mud cakes on a cutter head of a shield tunneling machine by a mud cake monitoring module using a mud cake monitoring program according to an embodiment of the present invention.

In fig. 1: 1. a construction information acquisition module; 2. a tunnel path analysis module; 3. a geological analysis module; 4. a central control module; 5. a geological model building module; 6. a tunnel path implantation module; 7. a tunnel construction model analysis module; 8. a shield machine parameter acquisition module; 9. a positioning module; 10. a mud cake monitoring module; 11. and a mud cake cleaning module.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Aiming at the problems in the prior art, the invention provides a mudstone formation shield mud cake anti-caking system and an anti-caking method, and the invention is described in detail below with reference to the accompanying drawings.

As shown in fig. 1, the mudstone formation shield mud cake anti-caking system provided by the embodiment of the invention comprises:

the system comprises a construction information acquisition module 1, a tunnel path analysis module 2, a geological analysis module 3, a central control module 4, a geological model construction module 5, a tunnel path implantation module 6, a tunnel construction model analysis module 7, a shield tunneling machine parameter acquisition module 8, a positioning module 9, a mud cake monitoring module 10 and a mud cake cleaning module 11;

the construction information acquisition module 1 is connected with the central control module 4 and used for acquiring construction information through a construction information acquisition program, wherein the construction information comprises a tunnel path and construction area geology;

the tunnel path analysis module 2 is connected with the central control module 4 and is used for analyzing the tunnel path through a tunnel path analysis program;

the geological analysis module 3 is connected with the central control module 4 and is used for analyzing the geological information of the construction area acquired by a geological analysis program;

the central control module 4 is connected with the construction information acquisition module 1, the tunnel path analysis module 2, the geological analysis module 3, the geological model construction module 5, the tunnel path implantation module 6, the tunnel construction model analysis module 7, the shield tunneling machine parameter acquisition module 8, the positioning module 9, the mud cake monitoring module 10 and the mud cake cleaning module 11, and is used for controlling the modules to normally operate through a main control machine;

the geological model building module 5 is connected with the central control module 4 and used for building a geological model of the construction area according to the geological analysis result of the construction area through a geological model building program;

the tunnel path implantation module 6 is connected with the central control module 4 and used for implanting the tunnel path into the geological model according to the tunnel path analysis result through a tunnel path implantation program to obtain a tunnel construction model;

the tunnel construction model analysis module 7 is connected with the central control module 4 and used for analyzing the tunnel construction model through a tunnel construction model analysis program, determining a geological complex interval in tunnel construction and marking the interval;

the shield machine parameter acquisition module 8 is connected with the central control module 4 and is used for acquiring shield machine parameters through a shield machine parameter acquisition program;

the positioning module 9 is connected with the central control module 4 and used for determining the position of the shield machine in tunnel construction through a shield machine positioning program;

the mud cake monitoring module 10 is connected with the central control module 4 and used for monitoring mud cakes on a cutter head of the shield tunneling machine through a mud cake monitoring program to obtain a conclusion whether the mud cakes are formed or not;

and the mud cake cleaning module 11 is connected with the central control module 4 and is used for cleaning mud cakes in the interval marked in the tunnel and when the mud cakes are formed through a mud cake cleaning program.

As shown in fig. 2, the method for preventing caking of the shield mud cake in the mudstone formation, provided by the embodiment of the invention, comprises the following steps:

s101, acquiring construction information by a construction information acquisition module by using a construction information acquisition program, wherein the construction information comprises a tunnel path and construction area geology;

s102, analyzing the tunnel path by using a tunnel path analysis program through a tunnel path analysis module; analyzing the geological information of the construction area acquired by a geological analysis module by utilizing a geological analysis program;

s103, constructing a geological model of the construction area according to the geological analysis result of the construction area by using a geological model construction program through a geological model construction module; implanting the tunnel path into a geological model by using a tunnel path implanting program through a tunnel path implanting module according to the tunnel path analysis result to obtain a tunnel construction model;

s104, analyzing the tunnel construction model by using a tunnel construction model analysis program through a tunnel construction model analysis module, determining a geological complex interval in tunnel construction, and labeling the interval;

s105, acquiring parameters of the shield machine by using a shield machine parameter acquisition program through a shield machine parameter acquisition module; determining the position of the shield machine in tunnel construction by using a shield machine positioning program through a positioning module;

s106, monitoring mud cakes on a cutter head of the shield machine by a mud cake monitoring module through a mud cake monitoring program to obtain a conclusion whether the mud cakes are formed or not; and cleaning the mud cakes by using a mud cake cleaning program through a mud cake cleaning module when the tunnels mark intervals and the mud cakes are formed.

As shown in fig. 3, in step S102, the analyzing, by the geological analysis module, the geological information of the construction area obtained by using the geological analysis program according to the embodiment of the present invention includes:

s201, acquiring a remote sensing image of a construction area, and performing construction interpretation based on the remote sensing image;

s202, importing a gridded and registered gravity and aviation magnetic force abnormal equivalent graph covering a research area;

s203, verifying the reliability of the remote sensing interpretation trellis structure and deducing the deep characteristics of the structure by analyzing the abnormal form and distribution characteristics, and if the interpretation trellis structure is displayed on aeromagnetic and gravity abnormity, keeping; if not, deleting;

and S204, importing a geological map database of the construction area, selecting polygons including stratum and rock mass attributes within a certain distance of the lattice structure, and deducing geological information of the construction area of the lattice structure.

In step S201, the structure interpretation based on the remote sensing image provided by the embodiment of the present invention includes: placing the remote sensing images with the geographic coordinates in the construction area into the same visual field to obtain a grid structure; and then amplifying step by step to interpret the region structure, and interpreting the region structure.

As shown in fig. 4, in step S103, the construction of the geological model of the construction area according to the geological analysis result of the construction area by the geological model construction module using the geological model construction program according to the embodiment of the present invention includes:

s301, constructing an initial stratum interface by using the acquired drilling point data aiming at the construction area;

s302, smoothing the constructed stratum interface by using a geometric self-adaptive method to generate a constructed stratum interface;

s303, constructing a three-dimensional stratum entity by using the constructed stratum interface;

and S304, generating a three-dimensional geological model by integrating the generated three-dimensional geological entity and the constructed geological interface.

In step S301, the constructing an initial stratigraphic interface by using the obtained drilling point data for the construction area according to the embodiment of the present invention includes: and manually dividing a good layer interface, then generating a grid by using the drilling point data of the divided stratum interface, and increasing the density of the original drilling point by adopting a data interpolation method in the area with large fluctuation of the stratum interface and small drilling quantity.

In step S105, the shield machine parameters provided in the embodiment of the present invention are shield machine excavation parameters, including: the shield tunneling machine comprises a shield tunneling machine thrust, a torque, a tunneling speed and a cutter head temperature.

As shown in fig. 5, in step S106, the monitoring of the mud cake on the cutter head of the shield tunneling machine by the mud cake monitoring module according to the embodiment of the present invention with the mud cake monitoring program includes:

s401, monitoring the highest temperature of a cutter head in a tunneling cycle in the normal tunneling process of the shield tunneling machine;

s402, when the circulating temperature is higher than the highest temperature of the cutter head and the thrust and the torque of the cutter head are continuously increased, calculating the cooling rate of the cutter head of the shield machine during shutdown;

s403, constructing a mud cake tunneling database according to the parameters of the shield tunneling machine;

s404, comparing the cooling rate of the cutter head when the machine is stopped in the mud cake tunneling database, and if the cooling rate is smaller than the cooling rate stored in the database when the machine is stopped under the same working condition, judging that mud cakes are formed.

In step S404, after determining that the mud cake is formed, the method further includes: and if the mud cake phenomenon occurs, storing the temperature data and the tunneling parameters into a mud cake tunneling database.

In step S106, the mud cake cleaning by the mud cake cleaning module according to the embodiment of the present invention includes:

after the mud cake is monitored to be generated, constructing a mud wall in advance at a position 15-25m ahead of the shield construction; after the shield cutter head attached with the mud cakes contacts the mud brushing wall, the shield drives water into the shield from the front of the cutter head through foam holes in the front of the cutter head, simultaneously reduces the propelling speed of the shield and the rotating speed of the cutter head, and removes the mud cakes on the shield cutter head through the friction of the cutter head.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made by those skilled in the art within the technical scope of the present invention disclosed herein, which is within the spirit and principle of the present invention, should be covered by the present invention.