Full-facade gridding wire type slope monitoring system and monitoring method

文档序号:1555248 发布日期:2020-01-21 浏览:8次 中文

阅读说明:本技术 全立面网格化导线式边坡监测系统及监测方法 (Full-facade gridding wire type slope monitoring system and monitoring method ) 是由 徐立新 孙华 赵宇辉 聂永涛 于 2019-10-31 设计创作,主要内容包括:本发明公开了一种全立面网格化导线式边坡监测系统,包括设在坡面上的横向导线和纵向导线,横向导线和纵向导线将坡面划分成网格结构;其特征在于:所述横向导线和纵向导线之间的交叉节点通过节点传力装置连接,所述节点传力装置包括在节点位置处的纵向导线上固定安装有一纵向导线固定件,该纵向导线固定件固定在坡面的固定桩上、并且该纵向导线固定件上开设有可供横向导线自由滑动的横向导线穿线孔(即横向导线预留孔);在节点位置处的横向导线上固定安装有一横向导线固定件并且其与纵向导线固定件平行设置;在节点的两侧分别设有弹性传力装置和位移计,弹性传力装置的两端以及位移计的两端分别固定连接纵向导线固定件和横向导线固定件。(The invention discloses a full-facade gridding wire type slope monitoring system, which comprises transverse wires and longitudinal wires, wherein the transverse wires and the longitudinal wires are arranged on a slope surface, and divide the slope surface into a grid structure; the method is characterized in that: the node force transmission device comprises a longitudinal lead fixedly arranged on the longitudinal lead at a node position, the longitudinal lead fixing is fixed on a fixing pile of a slope, and a transverse lead threading hole (namely a transverse lead preformed hole) for the transverse lead to freely slide is formed in the longitudinal lead fixing; a transverse lead fixing piece is fixedly arranged on the transverse lead at the node position and is parallel to the longitudinal lead fixing piece; and two ends of the elastic force transmission device and two ends of the displacement meter are respectively and fixedly connected with the longitudinal wire fixing piece and the transverse wire fixing piece.)

1. A full-elevation gridding wire type slope monitoring system comprises transverse wires and longitudinal wires which are arranged on a slope surface, wherein the slope surface is divided into a grid structure by the transverse wires and the longitudinal wires; the method is characterized in that: the node force transmission device comprises a longitudinal lead fixedly arranged on the longitudinal lead at a node position, the longitudinal lead fixing is fixed on a fixing pile of the slope, and a transverse lead threading hole for the transverse lead to freely slide is formed in the longitudinal lead fixing; a transverse lead fixing piece is fixedly arranged on the transverse lead at the node position and is parallel to the longitudinal lead fixing piece; and the two sides of the node are respectively provided with an elastic force transmission device and a displacement meter, wherein the two ends of the elastic force transmission device and the two ends of the displacement meter are respectively and fixedly connected with a longitudinal wire fixing part and a transverse wire fixing part.

2. The fully-meshed-facade grid-based slope monitoring system according to claim 1, wherein: the transverse wires and the longitudinal wires on the longitudinal wire fixing piece are crossed in a vertically staggered mode.

3. The fully-facade gridded wired slope monitoring system according to claim 1 or 2, wherein: the transverse conducting wire and the longitudinal conducting wire which are positioned on the longitudinal conducting wire fixing piece are arranged at a certain angle, and the angle is determined according to the sliding direction of the slope body and the monitoring arrangement design.

4. The fully-facade gridded wired slope monitoring system according to claim 1 or 2, wherein: the elastic force transmission device comprises a spring and an elastic rope; the transverse lead is erected on the slope surface at the turning position of the slope surface through the guide wheel frame, so that the lead can slide on the guide wheel; stress sensors and displacement sensors are arranged on the guide wires between the guide wheels; the transverse wires and the longitudinal wires on the longitudinal wire fixing piece are vertically arranged.

5. The fully-meshed-on-facade grid-connected slope monitoring system according to claim 1, 2, 3 or 4, wherein: one end of the transverse wire is connected with the slope top base point fixing device or the slope toe base point fixing device through the elastic device and the pre-tightening device, so that the transverse wire generates initial tension; one end of the longitudinal wire is connected with the side slope left base point fixing device or the side slope right base point fixing device through the elastic device and the pre-tightening device, so that the longitudinal wire generates initial tension.

6. The fully-meshed-facade grid-based slope monitoring system according to claim 5, wherein: the method is characterized in that: the pre-tightening device comprises a screw and a nut which are matched, one end of the screw is fixedly connected with the transverse lead/the longitudinal lead through an elastic device and a stress meter, the other end of the screw penetrates through a steel plate on the base point fixing device and then is in threaded connection with the nut, and the screw is pre-tightened through the adjusting nut.

7. The fully-facade gridded wired slope monitoring system according to claim 1 or 2, wherein: and an environment sensor, an anchor rod stress meter and a deep displacement meter are arranged on a transverse lead or a longitudinal lead of the slope.

8. The fully-meshed-on-facade grid-connected slope monitoring system according to claim 1, 2, 3 or 4, wherein: the system also comprises a data acquisition and sending box, wherein the data acquisition and sending box comprises a power supply system, a data acquisition module and a wireless network transmission module; the data acquisition module acquires data of the sensor in real time and sends the data to a server, a monitoring computer or a smart phone in a wireless mode.

9. The fully-meshed-facade grid-based slope monitoring system according to claim 8, wherein: and automatic analysis and evaluation software is installed on the server, the monitoring computer or the smart phone, and if the displacement, the stress and the like exceed the control standard value, the server, the monitoring computer or the smart phone gives an alarm in time and sends information to the mobile phone of a relevant manager.

10. The method of monitoring by the fully-meshed-on-facade grid-connected slope monitoring system of any one of claims 1-9, wherein: the method comprises the following steps:

1) mounting and fixing the monitoring system according to claims 1-9;

2) the data acquisition module in the data acquisition box acquires data in real time and transmits the monitoring data of the sensor to a monitoring center server, a monitoring computer or a smart phone in real time through a wireless network transmission device;

3) and special matched analysis and evaluation software is installed on the server, the monitoring computer or the smart phone, real-time monitoring data is automatically analyzed and evaluated, if the displacement rate and the tension increment exceed the control standard, an alarm is given in time, and a short message is sent to the mobile phone of a related manager.

Technical Field

The invention belongs to the field of slope engineering in infrastructure, and particularly relates to a full-elevation gridding wire type slope monitoring system and a monitoring method, which are used for monitoring the stability and the actual use health condition of a slope.

Background

China is a multi-mountain country, the area of a mountain area accounts for 69% of the whole territorial area of China, and particularly the western region and the southeast coastal region of China. With the development of socioeconomic development and implementation of the strategy of western big development in China, the construction of roads, railways and the like gradually develops from plain to mountainous areas, and the mountainous areas, the roads and railways, become important components of the current transportation construction in China. Mountains and rivers in mountainous areas have high and low aspect ratio and changeable climate, natural landforms and geological conditions are complex, and the proportion of high slopes along the highway and railway is large, so that the problems of construction safety and operation safety of the slopes in the construction period of the highway and railway in the mountainous areas are particularly outstanding.

At present, the traditional safety monitoring is mainly carried out on-site measurement by adopting a traditional instrument manually and periodically, the workload is large, the traditional safety monitoring is influenced by many factors such as weather, labor and on-site conditions, certain system errors and human errors exist, meanwhile, if monitoring cannot be carried out under severe weather such as rain, snow and the like, a longer monitoring vacuum period can occur, the problems of poor real-time performance, higher and higher self safety and labor cost of manual monitoring are solved, and the safety production and management level of engineering can be seriously influenced.

With the development of technologies such as computers, sensors, network communication, internet of things and the like, remote intelligent safety monitoring is gradually adopted to enter engineering construction, and with the reduction of equipment cost and the improvement of the technology, the advantages of high precision, strong real-time performance and the like are more obvious, so that the traditional manual monitoring is replaced, and the future development trend is achieved.

The slope surface area of a high slope is often larger, sensors on the slope surface generally adopt a dotted arrangement mode at present, the required number of the sensors is large, the manufacturing cost is very high, therefore, how to effectively cover the whole slope surface and optimize the arrangement of the sensors is urgent to find a slope real-time monitoring and early warning method which is low in manufacturing cost, full in coverage, high in precision and good in reliability. The type selection and the arrangement of the sensors are reasonably determined, the modern Internet of things technology is applied, the problems are prevented from happening in the bud, engineering safety accidents and geological disasters are prevented, and the engineering safety and the reinforcement quality are ensured.

The Chinese patent CN 208000169U discloses a gridding monitoring device for slope landslide or debris flow early warning, which comprises a plurality of groups of mutually crossed steel wires fixed through fixing ends, wherein node devices are installed at cross points of the steel wires, each steel wire is provided with a prestress device and a dynamometer, and the dynamometer is connected with a data acquisition device through a cable.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, provides a full-elevation gridding wire type slope stability remote monitoring system and a monitoring method, improves the slope monitoring coverage, the reliability and the accuracy, reduces the construction cost, and realizes the full-elevation monitoring of the slope stability and the health state.

In a first aspect, the application discloses a full-elevation gridding wire type slope monitoring system, which comprises transverse wires and longitudinal wires, wherein the transverse wires and the longitudinal wires are arranged on a slope surface, and divide the slope surface into a grid structure; the method is characterized in that: the node force transmission device comprises a longitudinal lead fixedly arranged on the longitudinal lead at a node position, the longitudinal lead fixing is fixed on a fixing pile of a slope, and a transverse lead threading hole (namely a transverse lead preformed hole) for the transverse lead to freely slide is formed in the longitudinal lead fixing; a transverse lead fixing piece is fixedly arranged on the transverse lead at the node position and is parallel to the longitudinal lead fixing piece; and the two sides of the node are respectively provided with an elastic force transmission device and a displacement meter, wherein the two ends of the elastic force transmission device and the two ends of the displacement meter are respectively and fixedly connected with a longitudinal wire fixing part and a transverse wire fixing part.

Preferably, the transverse wires and the longitudinal wires on the longitudinal wire fixing piece are crossed in a vertically staggered mode.

Preferably, the transverse conducting wire and the longitudinal conducting wire which are positioned on the longitudinal conducting wire fixing piece are arranged at a certain angle, and the angle is determined according to the sliding direction of the slope body and the monitoring arrangement design.

Preferably, the elastic force transmission device comprises a spring and an elastic rope; the transverse lead is erected on the slope surface at the turning position of the slope surface through the guide wheel frame, so that the lead can slide on the guide wheel; a tension sensor and a displacement sensor are arranged on the guide wire between the guide wheels; the transverse wires and the longitudinal wires on the longitudinal wire fixing piece are vertically arranged.

Preferably, one end of the transverse wire is connected with the top base point fixing device or the bottom base point fixing device through an elastic device and a pre-tightening device, so that the transverse wire generates an initial pulling force; one end of the longitudinal wire is connected with the side slope left base point fixing device or the side slope right base point fixing device through the elastic device and the pre-tightening device, so that the longitudinal wire generates initial tension. Preferably, the pre-tightening device comprises a screw and a nut which are matched, one end of the screw is fixedly connected with the transverse lead/the longitudinal lead through an elastic device and a stress meter, the other end of the screw penetrates through a steel plate on the base point fixing device and then is in threaded connection with the nut, and pre-tightening is carried out through adjusting the nut.

Preferably, the slope surface is provided with an environment sensor, an anchor rod stress meter and a deep displacement meter on a transverse lead or a longitudinal lead.

Preferably, the system also comprises a data acquisition and transmission box, wherein the data acquisition and transmission box comprises a power supply system, a data acquisition module and a wireless network transmission module; the data acquisition module acquires data of the sensor in real time and sends the data to a server, a monitoring computer or a smart phone in a wireless mode.

Preferably, the server, the monitoring computer or the smart phone is provided with automatic analysis and evaluation software, and if the displacement, the stress and the like exceed a control standard value, the server, the monitoring computer or the smart phone gives an alarm in time and sends information to a mobile phone of a relevant manager.

On the other hand, the application also discloses a method for monitoring by using the full-facade gridding wire type slope monitoring system, which comprises the following steps:

1) the monitoring system is installed and fixed;

2) the data acquisition module in the data acquisition box acquires data in real time and transmits the monitoring data of the sensor to a monitoring center server, a monitoring computer or a smart phone in real time through a wireless network transmission device;

3) and special matched analysis and evaluation software is installed on the server, the monitoring computer or the smart phone, real-time monitoring data is automatically analyzed and evaluated, if the displacement rate and the tension increment exceed the control standard, an alarm is given in time, and a short message is sent to the mobile phone of a related manager.

The technical scheme of the application is further explained as follows:

a full-elevation gridding wire type slope monitoring system comprises longitudinal and transverse wires arranged on a slope surface, displacement and tension sensors connected with the wires, a data acquisition and transmission box, an indoor remote data receiving server, data real-time analysis and evaluation background software and the like.

According to the geology and the form condition of the slope body, a proper arrangement mode is selected to arrange longitudinal and transverse conducting wires on the slope surface. The transverse conducting wire is generally arranged along the cross section direction of the slope surface, namely the conducting wire is arranged between the slope top and the slope foot along the slope surface, the slope top of the side slope is provided with a slope top base point fixing device, the slope foot of the side slope is provided with a slope foot base point fixing device, one end of the conducting wire is fixed on the slope top base point fixing device, the other end of the conducting wire is connected with the slope foot base point fixing device through an elastic device and a pre-tightening device, and the elastic device and the pre-tightening device enable the conducting wire to be straightened to generate initial tension and to be;

the longitudinal lead is generally arranged along the horizontal direction of the slope, namely, the longitudinal lead is arranged between the left outer edge and the right outer edge of the slope along the horizontal direction, fixed foundation piles are distributed on the left outer edge and the right outer edge of the slope, two ends of the lead are respectively connected to the left fixed foundation pile and the right fixed foundation pile, and the lead generates initial tension through elasticity and a pre-tightening device at one end and is attached to the slope.

The crossed nodes of the longitudinal lead and the transverse lead are connected by a node force transmission device;

the node force transmission device is provided with: a longitudinal lead fixing piece is fixedly arranged on the longitudinal lead at the node position, the longitudinal lead fixing piece is fixed on a fixing pile of the slope, and a transverse lead threading hole for the transverse lead to freely slide is formed in the longitudinal lead fixing piece; a transverse lead fixing piece is fixedly arranged on the transverse lead at the node position and is parallel to the longitudinal lead fixing piece; and the two sides of the node are respectively provided with an elastic force transmission device and a displacement meter, wherein the two ends of the elastic force transmission device and the two ends of the displacement meter are respectively and fixedly connected with a longitudinal wire fixing part and a transverse wire fixing part. Preferably, the transverse wires and the longitudinal wires on the longitudinal wire fixing piece are crossed in an up-down staggered mode.

Preferably, the transverse wires and the longitudinal wires on the longitudinal wire fixing piece are arranged at a certain angle; typically vertically. Preferably, the longitudinal wire fixing member has a wire slot through which the longitudinal wire can pass. Preferably, the elastic force transmission device is a spring or an elastic rope.

The following details the nodal force transfer device:

in the slope rock soil below a node where a longitudinal lead and a transverse lead are intersected, a fixing pile (namely a fixing anchor rod) is arranged, the longitudinal lead is arranged, a longitudinal lead fixing piece is arranged on the longitudinal lead and is fixedly connected with the longitudinal lead fixing piece, the longitudinal lead fixing piece is connected and fixed on the fixing pile, the transverse lead is perforated through a reserved threading hole, the transverse lead is transversely arranged and can freely slide in the reserved hole, a transverse lead fixing piece is arranged on the transverse lead above the node and is fixedly connected with the transverse lead, the transverse lead fixing piece and the longitudinal lead fixing piece are in a parallel state, a displacement meter (a sensor) is arranged on the left side between the transverse lead fixing piece and the longitudinal lead fixing piece, and two ends of the displacement meter (the sensor) are respectively connected with the transverse lead fixing piece and the longitudinal lead fixing piece, and the right side is provided with an elastic force transmission device which is respectively connected with the transverse lead fixing part and the longitudinal lead fixing part.

If the slope of the mountain slides, the longitudinal lead and the fixing pile can move downwards along with the longitudinal lead and the fixing pile, the displacement of the node can be monitored by the node displacement meter (sensor), meanwhile, the node can be stretched by the elastic force transmission device and transmits force to the transverse lead, and the change of the node can be monitored by the tension sensor on the transverse lead.

And displacement sensors are arranged on the longitudinal lead and the transverse lead simultaneously. Specifically, a buckle is installed on the lead, and a measuring rod of the displacement sensor is connected with the buckle.

The slope top base point fixing device is an anchor rod or a concrete small pile or an upright column which is arranged on a fixed point in a slope top safety area. The transverse conducting wire is erected on the slope surface at the turning position of the slope surface through the guide wheel frame, and the conducting wire can slide on the guide wheel.

And tension sensors and displacement sensors are arranged between the guide wheels on the guide wires.

According to the reinforcing mode of the slope body, sensors such as an anchor rod, an anchor dynamometer, a water level meter, a deep displacement meter and the like are arranged near the longitudinal lead and the transverse lead.

And environmental sensors such as rainfall, temperature and the like are arranged at proper positions of the slope.

The wire is provided with a stress sensor for measuring the tension of the wire, a displacement sensor for measuring the displacement of the slope, sensors such as environmental sensors of rainfall, temperature and the like of the slope, an anchor rod of the slope, an anchor stress meter, a water level meter, a deep displacement meter and the like, and data transmission is carried out with the data acquisition and transmission box in a wired or wireless mode.

The data acquisition and transmission box is provided with a power supply system combining a solar power supply device and a storage battery, a data acquisition and wireless network remote transmission module, and the data acquisition box receives data of the sensor and transmits the data to the server, the monitoring computer or the smart phone in a wireless mode.

Preferably, the elastic device is a spring or an elastic rope; the pre-tightening device comprises a screw and a nut which are matched, one end of the screw is fixed with the lead, the other end of the screw penetrates through a steel plate of the toe base point fixing device and then is in threaded connection with the nut, and pre-tightening is carried out through the adjusting nut.

Preferably, the server, the monitoring computer or the smart phone is provided with automatic analysis and evaluation software, and if the displacement, the stress and the like exceed a control standard value, the server, the monitoring computer or the smart phone gives an alarm in time and sends information to a mobile phone of a relevant manager.

The invention has the following characteristics and beneficial effects:

1. transverse wires are arranged from the top of the slope to the foot of the slope along the vertical face of the whole slope, longitudinal wires are arranged from the left side of the slope to the right side of the slope, grid monitoring is formed, the whole vertical face of the slope is covered, and the whole side slope can be completely controlled without omission;

2. laying longitudinal and transverse wires on the slope surface, and establishing a logical relation between the displacement and the stress of different positions on the wires;

3. the displacement sensor and the stress sensor are cooperatively used, so that double synchronous monitoring is realized, mutual verification and check can be realized, errors caused by a conventional slope monitoring method are avoided, and the early warning reliability and accuracy are improved;

4. the method is characterized in that the method is combined with tests of internal force, water level, deep displacement and the like of an anchor rod and an anchor cable reinforced by a slope body and measurement of environmental factors such as slope rainfall, temperature and the like, so that multi-factor comprehensive evaluation and analysis are performed, and monitoring and early warning are more comprehensive and scientific;

5. the small change of the slope can be monitored in real time through the high-precision displacement sensor and the stress sensor which are arranged on the criss-cross conducting wires;

6. according to the geological conditions of the slope body, the shape of the slope body, the reinforcing protection form and other conditions, the 'one-slope one-design' is carried out, the longitudinal and transverse wires of the slope surface are reasonably arranged, and the sensors are scientifically and reasonably arranged;

7. the monitoring system is simple to install and easy to operate, the installation part is easy to construct, and compared with monitoring devices of other monitoring methods, the monitoring system is easier to maintain and replace;

8. the data acquisition box is connected with a power supply system combining a solar power supply device and a storage battery for power supply and a wireless network transmission module, so that all-weather monitoring for 24 hours is realized, dynamic real-time transmission and automatic analysis and early warning are realized, the investment of manpower and material resources is reduced, and the influence of factors such as human and weather on monitoring data is avoided.

9. The node force transmission device can effectively monitor the displacement of a longitudinal lead area and effectively transmit the change of the longitudinal lead to a transverse lead, so that the gridding monitoring of the slope surface is really formed, the whole vertical surface is covered, and the whole slope can be monitored globally;

10. establishing a logical relation between the displacement and the stress of different positions on the longitudinal lead and the transverse lead, and analyzing and predicting the deformation amount, the position, the range and the like of the slope body deformation through the logical relation;

11. the force transmission of the elastic force transmission device is calculated according to the displacement monitored by the displacement meter (sensor) so as to check the change value of the tension on the transverse lead.

Drawings

FIG. 1 is a schematic view of the monitoring method in elevation arrangement according to the present invention;

FIG. 2 is a schematic cross-sectional arrangement of the monitoring method of the present invention;

FIG. 3 is a schematic view of a force measuring anchor installation;

FIG. 4 is a schematic plan view of a nodal force transfer device of the present application;

FIG. 5 is a schematic view of the connection of the longitudinal wire anchor to the spud of the nodal force transfer device of the present application;

fig. 6 is a schematic diagram of the connection of the elastic device and the pre-tightening device of the node force transmission device in the application and a lead.

In the figure: 1-pitched roof foundation pile, 2-pitched foot foundation pile, 3-right side foundation pile, 4-left side foundation pile, 5-transverse wire, 6-longitudinal wire, 7-node force transmission device (namely node connecting buckle), 8-elastic fastening device, 9-stress sensor (namely stress meter in figure 1), 10-displacement sensor (namely displacement meter in figure), 11-rainfall sensor, 12-data acquisition and transmission box, Ls-stable safe distance

Detailed Description

The present application is further described with reference to the accompanying drawings: as shown in FIG. 1, a full-elevation gridding wire type slope stability monitoring system

1. The invention carries out safety risk evaluation and intelligent monitoring scheme design according to the principle of 'one slope one design' according to the conditions of slope body geology, slope form, protection and reinforcement form and the like so as to determine the gridded arrangement form of longitudinal leads and transverse leads of the slope, the arrangement position of a sensor, the stable and safe distance Ls of the top of the slope and the like.

2. And selecting a proper position outside the stable safe distance Ls of the top of the slope with the selected cross section (the transverse conducting wire), and setting a base point of the top of the slope, wherein the base point of the top of the slope is a fixed point. The method is characterized in that a slope top base point fixing device is installed at a slope top base point, in the embodiment, the slope top base point fixing device adopts a slope top foundation pile 1, a base point reinforcing steel bar is fixed on the slope top foundation pile 1, the upper end of a transverse wire 5 is fixed on the base point reinforcing steel bar of the foundation pile, then the transverse wire 5 is laid down along the slope, in the laying process, when the slope is in contact with a turning position of the slope, a guide wheel is installed at the turning position of the slope, the guide wheel is close to the slope, and the integral form requirement is basically consistent with that of the slope.

3. Selecting a proper position near the slope toe of the side slope, arranging a toe base point fixing device 2 (namely a toe base pile 2 in fig. 1) (the toe base point fixing device 2 can be an anchor rod or a concrete pile), installing a steel plate with holes at the toe base point fixing device 2, and connecting the lower end of the transverse lead 5 with the toe base point fixing device 2 through sequentially connecting an elastic device and a pre-tightening device in series in the embodiment. The elastic device is a spring (an elastic rope can also be adopted), and the pre-tightening device comprises a screw and a nut which are matched with each other; specifically, as shown in fig. 2 and 6, the installation direction of the screw is the same as the direction of the lower end of the transverse wire 5, one end of the screw is installed on a steel plate with holes through nuts, the steel plate with holes is installed on a base point steel bar, the base point steel bar is fixedly installed on the toe base point fixing device 2 (i.e. toe fixing pile/toe base pile), and the toe base point fixing device 2 can adopt an anchor rod or a concrete small pile according to geological conditions. And a spring 8 is arranged at the other end of the screw rod, the other end of the spring is connected with a high-precision stress sensor 9, and the other end of the high-precision stress sensor 9 is connected with the lower end of the transverse wire 5. The screw rod is screwed in through the nut on the screw rod to pre-tighten or adjust the tension of the lead and the spring. If the lead 5 is loosened due to creep deformation caused by long-time stress, the nut can be screwed in again to apply pre-tightening for the second time. Preferably, one end of the spring can be fixedly connected with the screw rod through a fastening hook.

4. Selecting proper positions of the outer edge of the selected slope surface at the left end and the right end of the horizontal longitudinal lead of the selected slope surface, respectively setting a left base point and a right base point, driving foundation piles, respectively fixing two ends of the longitudinal lead on the left foundation pile 4 and the right foundation pile 3, wherein one end of the longitudinal lead 6 is connected with an elastic device and a pre-tightening device, and the lead generates initial tension through the elastic device and the pre-tightening device and is attached to the slope surface. Specifically, the elastic device adopts the spring, and preloading device adopts matched with screw rod and nut, and the one end tip and the spring one end of vertical wire 6 are connected, and the other end fixed connection of spring is in a tip of screw rod, and another tip of screw rod passes the through-hole on the foraminiferous steel sheet and installs on foraminiferous steel sheet through the nut, foraminiferous steel sheet fixed mounting is on right side foundation pile 3 (or left side foundation pile 4). As shown in fig. 1, the arrangement of the longitudinal and transverse wires is such that a gridded structure is formed on the slope.

When longitudinal wires and transverse wires are arranged, nodes of the longitudinal wires and the transverse wires are connected by a node force transmission device, and the node force transmission device is arranged as follows: in the slope rock soil below a node where a longitudinal lead and a transverse lead are intersected, a fixing pile (namely a fixing anchor rod) is arranged, a longitudinal lead fixing piece is arranged on the longitudinal lead and is fixedly connected with the longitudinal lead fixing piece, the longitudinal lead fixing piece is connected and fixed on the fixing pile, a threading hole (namely a transverse lead preformed hole in figure 5) is reserved on the longitudinal lead fixing piece, the transverse lead is perforated, the transverse lead is arranged along the transverse direction and can freely slide in the preformed hole, a transverse lead fixing piece is arranged on the transverse lead above the node and is fixedly connected with the transverse lead, the transverse lead fixing piece and the longitudinal lead fixing piece are in a parallel state, a displacement meter (a sensor) is arranged on the left side between the transverse lead fixing piece and the longitudinal lead fixing piece, and two ends of the displacement meter (the sensor) are respectively connected with the transverse lead fixing piece and the longitudinal lead fixing piece, and the right side is provided with an elastic force transmission device which is respectively connected with the transverse lead fixing part and the longitudinal lead fixing part.

5. According to the conditions of all levels of side slopes, proper intervals are selected along longitudinal leads and transverse leads, a plurality of displacement sensors and tension sensors (namely stress meters) are arranged on the slope surface of the mountain, the tension sensors and the leads are connected in series, the measuring rod ends of the displacement sensors are connected with the leads in a buckling mode, and the other ends of the displacement sensors are fixed in slope rock soil.

6. According to the reinforcing and protecting mode of the slope, sensors such as anchor rods, anchor cables, water level, deep displacement and the like are arranged near corresponding leads; environmental sensors such as rainfall, temperature and the like are arranged at proper positions.

7. The distributed sensors are connected to a data acquisition box in a wiring or wireless mode, and the data acquisition box is provided with a power supply system combining a solar power supply device and a storage battery for power supply, a data acquisition module and a wireless network transmission module. And the data acquisition module in the data acquisition box acquires data in real time and transmits the monitoring data of the sensor to a monitoring center server, a monitoring computer or a smart phone in real time through a wireless network transmission device.

8. And special matched analysis and evaluation software is installed on the server, the monitoring computer or the smart phone, real-time monitoring data is automatically analyzed and evaluated, if the displacement rate and the tension increment exceed the control standard, an alarm is given in time, and a short message is sent to the mobile phone of a related manager.

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