CN110631543B - Device and method for monitoring deep deformation of sliding slope of arc sliding surface arranged on shallow surface - Google Patents
Device and method for monitoring deep deformation of sliding slope of arc sliding surface arranged on shallow surface Download PDFInfo
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- CN110631543B CN110631543B CN201910877424.9A CN201910877424A CN110631543B CN 110631543 B CN110631543 B CN 110631543B CN 201910877424 A CN201910877424 A CN 201910877424A CN 110631543 B CN110631543 B CN 110631543B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
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Abstract
The invention provides a device and a method for monitoring deep deformation of a sliding slope of an arc sliding surface arranged on a shallow surface layer, wherein the monitoring device comprises two monitoring components, the two monitoring components are distributed on the sliding slope body along the monitored sliding slope direction, and the monitoring components comprise a fixed plug-in unit, a host machine and a power supply system; the fixed plug-in is perpendicular to the surface of the landslide body and inserted into the landslide body at a preset depth, and the power supply system is used for supplying power to the host; the host computer includes casing, acceleration gyro sensor, data acquisition send module and antenna, and casing fixed mounting is on fixed plug-in components, and acceleration gyro sensor and data acquisition send module are fixed in the casing, and data acquisition send module is connected with acceleration gyro sensor electricity, and the antenna is connected with data acquisition send module electricity. The technical scheme provided by the invention has the beneficial effects that: the form and deformation data of the sliding surface at the deep part of the landslide body can be obtained only through surface shallow monitoring, and the cost of monitoring the deformation at the deep part of the landslide body is obviously reduced.
Description
Technical Field
The invention relates to the technical field of geological disaster monitoring, in particular to a device and a method for monitoring deep deformation of a sliding slope of an arc sliding surface arranged on a shallow surface layer.
Background
The deformation monitoring of the landslide body is an important technical means for preventing and controlling landslide geological disasters, the deformation history of the landslide body can be analyzed through the landslide body deformation monitoring data, the deformation trend is predicted, and data support is provided for preventing and controlling landslide geological disasters and early warning and forecasting. The landslide body is a geologic body with a certain thickness, the sliding surface of the landslide body is deeply buried in the ground, and the monitoring content of the deformation of the landslide body comprises two parts, namely surface deformation monitoring and deep deformation monitoring. At present, the landslide body deep deformation monitoring method mainly comprises a drilling monitoring method and a footrill monitoring method. The drilling monitoring method is to drill holes at different positions of the landslide body by using a drilling machine, and install inclinometers or other deformation sensors in the drill holes, and monitor deformation data of different drilling depth positions of the landslide body by the sensors. The method for monitoring the footrill is to excavate the footrill in the landslide body, and install the deformation sensor in the different positions of the footrill, monitor the deformation data of the different positions of the deep footrill of the landslide body through these sensors. The rock and soil mass drilling or excavation is needed in both the drilling monitoring method and the footrill monitoring method, so that the cost is high and the implementation time is long. In addition, the quantity and the positions of the deformation sensors installed in the drilling holes or the footrill of the landslide body are limited, and the morphological characteristics and the deformation rules of the sliding surface of the landslide body with a large area cannot be obtained.
Disclosure of Invention
In view of this, the embodiment of the invention provides a device and a method for monitoring the deep deformation of a sliding surface of an arc sliding surface, which are arranged on a shallow surface layer, and aims to obtain the shape and the deformation data of the sliding surface by monitoring the shallow surface layer, thereby remarkably reducing the monitoring cost of the deep deformation of the sliding surface of the arc sliding surface.
The embodiment of the invention provides a device for monitoring the deep deformation of a circular arc sliding surface landslide which is arranged on a shallow surface layer of the earth, comprising two monitoring components, wherein the two monitoring components are distributed on a landslide body along the slope direction of the landslide body, and each monitoring component comprises a fixed plug-in unit, a host machine and a power supply system;
The fixed plug-in is perpendicular to the surface of the landslide body and inserted into the landslide body at a preset depth, and the power supply system is used for supplying power to the host;
The host comprises a shell, an acceleration gyro sensor, a data acquisition and transmission module and an antenna, wherein the shell is fixedly arranged on the fixed plug-in, the acceleration gyro sensor and the data acquisition and transmission module are fixed in the shell, the acceleration gyro sensor is used for acquiring monitoring data of the fixed plug-in, the data acquisition and transmission module is electrically connected with the acceleration gyro sensor and used for acquiring the monitoring data of the acceleration gyro sensor, and the antenna is electrically connected with the data acquisition and transmission module and used for transmitting the monitoring data to the Internet through a wireless network.
Further, the power supply system comprises a rechargeable battery and a solar panel;
the rechargeable battery is arranged in the shell and is used for supplying power to the host, and the solar cell panel is rotatably arranged at the top end of the fixed plug-in unit and is electrically connected with the rechargeable battery and is used for supplying power to the rechargeable battery.
Further, the solar panel is fixed to the top end of the fixing plug-in through a universal rod.
Further, the shell is fixed to the upper end of the fixing insert through a clamp.
Further, the fixing insert is a steel drill.
Further, the monitoring data comprise a three-dimensional space motion track and an inclination angle of the fixed plug-in.
Further, the preset depth of the drill steel inserted into the landslide body is not smaller than 2m.
The embodiment of the invention also provides a monitoring method, which uses the arc sliding surface landslide deep deformation monitoring device arranged on the shallow surface layer, and comprises the following steps:
s1, inserting fixed plug-ins of two monitoring assemblies into a landslide body along the slope direction of the landslide body at a preset depth perpendicular to the surface of the landslide body, and obtaining the installation position of each monitoring assembly;
s2, respectively acquiring initial monitoring data of the fixed plug-in, monitoring data acquired for the first time after landslide deformation and monitoring data acquired for the second time by utilizing the monitoring component;
S3, drawing a landslide topographic profile along the landslide body slope direction, drawing the fixed plug-in positioned at the upper part of the landslide body in the landslide topographic profile in the form of a line segment AB according to the installation position and initial monitoring data of the fixed plug-in, drawing the fixed plug-in the landslide topographic profile in the form of a line segment A ' B ' according to the monitoring data acquired for the first time after landslide deformation, upwards extending the line segment AB and the line segment A ' B ' to intersect at a point M, and drawing the fixed plug-in the landslide topographic profile in the form of a line segment A ' B ' when the monitoring data are acquired for the second time according to the monitoring data acquired for the second time after landslide deformation, wherein the line segment A ' B ' and the line segment A ' B ' are upwards extended to intersect at the point M ';
Drawing the fixed plug-in positioned at the lower part of a landslide body in a landslide topographic cross section in a line segment CD mode, drawing the fixed plug-in the first time of collecting monitoring data in the landslide topographic cross section in a line segment C 'D' mode according to monitoring data collected for the first time after landslide deformation, upwards extending the line segment CD and the line segment C 'D' to intersect at a point N, drawing the fixed plug-in the second time of collecting the monitoring data in the landslide topographic cross section in a line segment C 'D' mode according to monitoring data collected for the second time after landslide deformation, upwards extending the line segment C 'D' and the line segment C 'D' to intersect at a point N ', connecting a point M and the point N' in the landslide topographic cross section in a straight line segment by using a straight line segment connecting point M 'and a point N', and the line segment MN and the line segment M 'N' to intersect at a point O, and the point O is the circle center of an arc sliding surface of the landslide body;
s4, measuring the rear edge position E ' of the landslide body after deformation through on-site surface investigation of the landslide body, wherein a straight line segment connecting point O is used in a landslide terrain section view to be connected with the rear edge position E ' of the landslide body after deformation, and the straight line segment OE ' is the radius of the arc sliding surface;
S5, acquiring the inclination angle theta of one of the fixed plug-ins before the landslide body is deformed and the inclination angle theta 'of the fixed plug-in when monitoring data are acquired for the second time after the landslide body is deformed, so as to obtain the rotation angle of the arc sliding surface when the monitoring data are acquired for the second time as |theta-theta' |;
s6, calculating the deformation of the arc sliding surface, namely the length of an arc section EE' according to the deformation rotation angle of the arc sliding surface and the radius of the arc sliding surface.
The technical scheme provided by the embodiment of the invention has the beneficial effects that: after a worker installs the monitoring component to the shallow layer of the landslide body surface, the monitoring data can be directly downloaded on the Internet; and drawing the form of the fixed plug-in the landslide terrain cross section according to the monitoring data before and after the deformation of the fixed plug-in, and obtaining the circle center and the radius of the circular arc sliding surface and the rotation angle of the fixed plug-in through geometric relations, so as to calculate the deformation of the circular arc sliding surface. By adopting the monitoring method and the monitoring device to monitor the landslide deformation of the arc sliding surface, the form and the deformation data of the sliding surface at the deep part of the landslide can be obtained only through the shallow surface monitoring, and the monitoring cost of the sliding surface at the deep part of the landslide is obviously reduced. The monitoring device is convenient to install on site, can remotely transmit monitoring data, and is favorable for implementing remote automatic monitoring of landslide in a large range.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a monitoring assembly in a device for monitoring deep deformation of a sliding slope of an arc sliding surface placed in a shallow surface layer;
FIG. 2 is a schematic diagram of a monitoring method (initial monitoring data is plotted on a landslide terrain profile) using the monitoring device of FIG. 1;
FIG. 3 is a schematic diagram of a monitoring method (initial monitoring data and monitoring data acquired for the first time after landslide deformation are plotted on a landslide terrain profile) using the monitoring device of FIG. 1;
FIG. 4 is a schematic diagram of a monitoring method (the first collected monitoring data and the second collected monitoring data are drawn on a landslide topographic profile after landslide deformation) using the monitoring device of FIG. 1;
In the figure: the system comprises a 1-landslide body, a 2-fixed plug-in, a 3-shell, a 4-acceleration gyroscope sensor, a 5-rechargeable battery, a 6-data acquisition and transmission module, a 7-antenna, an 8-clamp, a 9-universal rod, a 10-solar panel, an EFGH-landslide body, a GIJKLE-stable rock-soil body, an EFG-potential arc sliding surface, an AB-monitoring device initial position positioned at the upper part of the landslide body, a monitoring device position positioned at the upper part of the landslide body during the 1 st measurement, an A 'B' -position positioned at the upper part of the landslide body during the 2 nd measurement, a monitoring device initial position positioned at the lower part of the landslide body during the CD-position, a monitoring device position positioned at the lower part of the landslide body during the 1 st measurement, a monitoring device position positioned at the lower part of the landslide body during the 2 nd measurement, an E '-position at the back edge of the landslide body during the 2 nd measurement, an intersection point of the E' H 'P-1 st measurement, an intersection point between the landslide surface and an extension line A' -M 'B' and an extension line, and an intersection point between the E 'P' -M 'B' and an extension line, and C 'B' and an intersection point between the E 'B' and C '-M' and an extension line and C 'B' and C '-M' and an intersection point.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.
The embodiment of the invention provides a device for monitoring deep deformation of a circular arc sliding surface landslide which is arranged on a shallow surface layer of the earth, comprising two monitoring components, wherein the two monitoring components are distributed on a landslide body 1 along the slope direction of the landslide body 1, and referring to fig. 1, the monitoring components comprise a fixed plug-in unit 2, a host machine and a power supply system.
The fixing insert 2 is perpendicular to the surface of the sliding body 1 and is inserted into the sliding body 1 at a preset depth, in this embodiment, the fixing insert 2 is a steel drill, and the preset depth of the steel drill inserted into the sliding body 1 is not less than 2m.
The host comprises a shell 3, an acceleration gyro sensor 4, a data acquisition and transmission module 6 and an antenna 7. The housing 3 is fixedly mounted on the fixing insert 2, and in this embodiment, the housing 3 is fixed to the upper end of the fixing insert 2 through a clip 8, or may be connected by threads, welding, or other manners. The acceleration gyro sensor 4 and the data acquisition and transmission module 6 are fixed in the housing 3, the acceleration gyro sensor 4 is used for acquiring monitoring data of the fixed plug-in 2 in real time, the monitoring data comprise a three-dimensional space motion track and an inclination angle of the fixed plug-in 2, and the acceleration gyro sensor 4 can measure gesture information (for example, the three-dimensional space motion track and the inclination angle) of an object, so that the method can be applied to the scheme without improving the gesture information. The data collecting and transmitting module 6 is electrically connected to the accelerometer sensor 4, and is configured to collect the monitoring data of the accelerometer sensor 4 at a preset time, for example, collect the monitoring data at the same time interval, the antenna 7 is electrically connected to the data collecting and transmitting module 6, and is configured to transmit the monitoring data to the internet through a wireless network, and the data collecting and transmitting module 6 and the antenna 7 are in the prior art, which is not described herein in detail.
The power supply system is used for supplying power to the host machine and can be a battery, in this embodiment, the power supply system comprises a rechargeable battery 5 and a solar panel 10, the rechargeable battery 5 is a storage battery, the rechargeable battery is installed in the shell 3 and is used for supplying power to the host machine, the solar panel 10 is rotationally installed at the top end of the fixed plug-in 2 and is electrically connected with the rechargeable battery 5 and is used for supplying power to the rechargeable battery 5, in this embodiment, the solar panel 10 is fixed at the top end of the fixed plug-in 2 through a universal rod 9, so that the direction of the solar panel 10 is convenient to adjust, and the solar panel 10 faces the direction beneficial to solar irradiation.
The embodiment of the invention also provides a monitoring method, which uses the device for monitoring the deep deformation of the circular arc sliding surface landslide placed in the shallow surface layer, and comprises the following steps:
S1, installing a monitoring device, inserting fixed plug-ins 2 of two monitoring components into the landslide body 1 along the slope direction of the landslide body 1 perpendicular to the surface of the landslide body 1 at a preset depth, acquiring the installation position of each monitoring component, and obtaining the installation position of the monitoring component through a positioning device or through an engineering measurement method.
S2, acquiring monitoring data, and respectively acquiring initial monitoring data of the fixed plug-in 2, monitoring data acquired for the first time after landslide deformation and monitoring data acquired for the second time by utilizing the monitoring component.
Specifically, the three-dimensional motion track and the inclination angle of the fixed plug-in 2 are measured in real time by using the acceleration gyro sensor 4, the monitoring data measured by the acceleration gyro sensor 4 are acquired by using the data acquisition and transmission module 6 through setting acquisition time, the monitoring data are wirelessly transmitted to the Internet by the antenna 7, the sliding condition of the landslide body 1 can be judged according to the monitoring data of different acquisition times, the monitoring data of the required acquisition time are downloaded on the Internet, the data are not acquired on site, and the workload of workers can be simplified.
S3, acquiring the circle center position of the arc sliding surface, referring to FIGS. 2 to 4, drawing a landslide terrain cross section along the slope direction of the landslide body 1, drawing the fixed plug-in 2 positioned at the upper part of the landslide body 1 in the landslide terrain cross section in the form of a line segment AB according to the installation position and initial monitoring data of the fixed plug-in 2, drawing the fixed plug-in 2 in the landslide terrain cross section in the form of a line segment A ' B ' according to the monitoring data acquired for the first time after landslide deformation, upwards extending the line segment AB and the line segment A ' B ' to intersect at a point M, drawing the fixed plug-in 2 in the landslide terrain cross section in the form of a line segment A ' B ' according to the monitoring data acquired for the second time after landslide deformation, and upwards extending the line segment A ' B ' and the line segment A ' B ' to intersect at the point M '.
Referring to fig. 2 to 4, the fixed insert 2 located at the lower part of the landslide body 1 is drawn in the landslide topographic cross-section in the form of a line segment CD, the fixed insert 2 when the monitored data is first collected is drawn in the landslide topographic cross-section in the form of a line segment C 'D' according to the monitored data collected for the first time after the landslide deformation, the line segment CD and the line segment C 'D' are upwardly extended to intersect at a point N, the fixed insert 2 when the monitored data is second collected in the landslide topographic cross-section in the form of a line segment C "D" according to the monitored data collected for the second time after the landslide deformation, the line segment C 'D' and the line segment C "D" are upwardly extended to intersect at a point N ', the point M and the point N' are used in the landslide topographic cross-section, the point M 'and the point N' are used to intersect at a point O, and the point O is the center of the circular arc sliding surface of the landslide body 1.
It should be noted that, the first collected monitoring data and the second collected monitoring data may be selected according to the condition of landslide deformation, for example, if the deformation amount of the whole landslide is desired, according to the collected data, when the continuously collected monitoring data has no change, the moment may be considered as that the landslide has stopped deforming, and the monitoring data may be used as the second collected monitoring data; the monitoring data with the monitoring period obviously different from the initial monitoring data are taken as the first-time collected monitoring data. If the deformation of the landslide at a certain moment is wanted, the monitoring data acquired at the moment is taken as the monitoring data acquired for the second time, and the monitoring data with obvious difference between the monitoring period and the initial monitoring data is taken as the monitoring data acquired for the first time.
S4, acquiring the radius of the arc sliding surface, and measuring the rear edge position E ' of the sliding body 1 after deformation through on-site surface investigation of the sliding body 1, wherein the rear edge position E ' of the sliding body 1 after deformation is connected with a straight line segment O in a section view of the landslide terrain, and the straight line segment OE ' is the radius r of the arc sliding surface. The trailing edge position e″ after the deformation of the landslide body 1 may be measured, or may be a position during the deformation process.
S5, calculating the rotation angle of the arc sliding surface, and acquiring the inclination angle theta of one of the fixed plug-ins 2 before the sliding body 1 is deformed and the inclination angle theta 'of the fixed plug-ins 2 during the second acquisition of the monitoring data after the deformation, so as to obtain the rotation angle of the arc sliding surface when the monitoring data is acquired for the second time as |theta-theta' |;
s6, calculating the deformation of the arc sliding surface, and calculating the deformation of the arc sliding surface, namely the length L of an arc section EE ', according to the rotation angle of the deformation of the arc sliding surface and the radius of the arc sliding surface, wherein L=2pi r. |theta-theta' |/360.
In general, since the sliding surface of the pile-up layer sliding body (soil-stone mixture sliding body, or the like) is circular arc, the circular arc formed before and after the deformation of the rear edge of the sliding body 1 is a deformation amount of the circular arc sliding surface, which is a length of the sliding surface in the sectional view of the landslide topography.
According to the device for monitoring the deep deformation of the circular arc sliding surface landslide placed on the surface shallow layer, provided by the embodiment of the invention, the two monitoring components are mounted on the surface of the potential landslide, the initial monitoring data of the fixed plug-in unit 2 and the monitoring data after the landslide body 1 is deformed are measured by the acceleration gyro sensor 4, and the monitoring data are transmitted to the Internet by the data acquisition and transmission module 6, so that a worker can directly download the monitoring data on the Internet after mounting the monitoring components on the potential landslide; according to the monitoring data before and after the deformation of the fixed plug-in 2, the form of the fixed plug-in 2 is drawn in a landslide terrain section, and the circle center and the radius of the arc sliding surface and the rotation angle of the fixed plug-in 2 can be obtained through the geometric relationship, so that the deformation of the arc sliding surface can be calculated. By adopting the monitoring method and the monitoring device to carry out landslide deformation monitoring, the form and deformation data of the sliding surface at the deep part of the landslide can be obtained only through the shallow surface monitoring, and the monitoring cost of the deformation at the deep part of the landslide is obviously reduced. The monitoring device is convenient to install on site, can remotely transmit monitoring data, and is favorable for implementing remote automatic monitoring of landslide in a large range.
In this document, terms such as front, rear, upper, lower, etc. are defined with respect to the positions of the components in the drawings and with respect to each other, for clarity and convenience in expressing the technical solution. It should be understood that the use of such orientation terms should not limit the scope of the claimed application.
The embodiments described above and features of the embodiments herein may be combined with each other without conflict.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (8)
1. The device for monitoring the deep deformation of the sliding slope of the circular arc sliding surface arranged on the shallow surface layer of the earth is characterized by comprising two monitoring components, wherein the two monitoring components are distributed on the sliding slope body along the slope direction of the sliding slope body, and each monitoring component comprises a fixed plug-in unit, a host machine and a power supply system;
The fixed plug-in is perpendicular to the surface of the landslide body and inserted into the landslide body at a preset depth, and the power supply system is used for supplying power to the host;
The host comprises a shell, an acceleration gyroscope sensor, a data acquisition and transmission module and an antenna, wherein the shell is fixedly arranged on the fixed plug-in, the acceleration gyroscope sensor and the data acquisition and transmission module are fixed in the shell, the acceleration gyroscope sensor is used for acquiring monitoring data of the fixed plug-in, the data acquisition and transmission module is electrically connected with the acceleration gyroscope sensor and used for acquiring the monitoring data of the acceleration gyroscope sensor, and the antenna is electrically connected with the data acquisition and transmission module and used for transmitting the monitoring data to the Internet through a wireless network;
The measuring method of the device for monitoring the deformation of the deep part of the sliding slope of the circular arc sliding surface arranged on the shallow surface layer of the earth is as follows:
s1, inserting fixed plug-ins of two monitoring assemblies into a landslide body along the slope direction of the landslide body at a preset depth perpendicular to the surface of the landslide body, and obtaining the installation position of each monitoring assembly;
s2, respectively acquiring initial monitoring data of the fixed plug-in, monitoring data acquired for the first time after landslide deformation and monitoring data acquired for the second time by utilizing the monitoring component;
S3, drawing a landslide topographic profile along the landslide body slope direction, drawing the fixed plug-in positioned at the upper part of the landslide body in the landslide topographic profile in the form of a line segment AB according to the installation position and initial monitoring data of the fixed plug-in, drawing the fixed plug-in the landslide topographic profile in the form of a line segment A ' B ' according to the monitoring data acquired for the first time after landslide deformation, upwards extending the line segment AB and the line segment A ' B ' to intersect at a point M, and drawing the fixed plug-in the landslide topographic profile in the form of a line segment A ' B ' according to the monitoring data acquired for the second time after landslide deformation, upwards extending the line segment A ' B ' and the line segment A ' B ' to intersect at the point M ';
Drawing the fixed plug-in positioned at the lower part of a landslide body in a landslide topographic cross section in a line segment CD mode, drawing the fixed plug-in the first time of collecting monitoring data in the landslide topographic cross section in a line segment C ' D ' mode according to monitoring data collected for the first time after landslide deformation, upwards extending the line segment CD and the line segment C ' D ' to intersect at a point N, drawing the fixed plug-in the second time of collecting the monitoring data in the landslide topographic cross section in a line segment C ' D ' mode according to monitoring data collected for the second time after landslide deformation, upwards extending the line segment C ' D ' and the line segment C ' D ' to intersect at a point N ', connecting the point M ' and the point N ' by a straight line segment in the landslide topographic cross section, and intersecting the line segment MN and the line segment M ' N ' to intersect at a point O, wherein the point O is the circle center of an arc sliding surface of the landslide body;
S4, measuring the rear edge position E ' of the landslide body after deformation through on-site surface investigation of the landslide body, wherein a straight line segment connecting point O is used for connecting the rear edge position E ' of the landslide body after deformation in a landslide terrain section view, and the straight line segment OE ' is the radius of the arc sliding surface;
S5, acquiring the inclination angle theta of one of the fixed plug-ins before the landslide body is deformed and the inclination angle theta 'of the fixed plug-in when monitoring data are acquired for the second time after the landslide body is deformed, so as to obtain the rotation angle of the arc sliding surface when the monitoring data are acquired for the second time as |theta-theta' |;
S6, calculating the deformation of the arc sliding surface, namely the length of an arc section EE '' according to the deformation rotation angle of the arc sliding surface and the radius of the arc sliding surface.
2. The device for monitoring the deep deformation of the circular arc sliding surface landslide positioned on the shallow surface layer according to claim 1, wherein the power supply system comprises a rechargeable battery and a solar panel;
the rechargeable battery is arranged in the shell and is used for supplying power to the host, and the solar cell panel is rotatably arranged at the top end of the fixed plug-in unit and is electrically connected with the rechargeable battery and is used for supplying power to the rechargeable battery.
3. The device for monitoring the deep deformation of the circular arc sliding surface landslide placed on the shallow surface layer according to claim 2, wherein the solar cell panel is fixed at the top end of the fixed plug-in through a universal rod.
4. The device for monitoring the deformation of the deep landslide surface of a circular arc sliding surface arranged on the shallow surface layer according to claim 1, wherein the shell is fixed at the upper end of the fixing insert through a clamp.
5. The device for monitoring the deep deformation of a landslide surface placed on a shallow surface of the earth according to claim 1, wherein the fixing insert is a steel drill rod.
6. The device for monitoring the deep deformation of the circular arc sliding surface landslide positioned on the shallow surface layer according to claim 1, wherein the monitoring data comprises a three-dimensional space movement track and an inclination angle of the fixed plug-in.
7. The device for monitoring the deep deformation of a circular arc sliding surface landslide of claim 5, wherein the preset depth of the steel drill rod inserted into the landslide body is not less than 2m.
8. A monitoring method using the arc sliding surface landslide deep deformation monitoring device set on the surface shallow layer according to any one of claims 1 to 7.
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| CN201910877424.9A CN110631543B (en) | 2019-09-17 | 2019-09-17 | Device and method for monitoring deep deformation of sliding slope of arc sliding surface arranged on shallow surface |
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