CN111735419B - Slope horizontal displacement monitoring system and method thereof - Google Patents

Slope horizontal displacement monitoring system and method thereof Download PDF

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Publication number
CN111735419B
CN111735419B CN202010781019.XA CN202010781019A CN111735419B CN 111735419 B CN111735419 B CN 111735419B CN 202010781019 A CN202010781019 A CN 202010781019A CN 111735419 B CN111735419 B CN 111735419B
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monitoring
displacement
monitoring point
point
slope
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CN111735419A (en
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蒋梦
张怀
钟雯清
高玉亮
王鹤
康秋静
高占建
孙云蓬
高飞
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Beijing Dacheng Guoce Science And Technology Co ltd
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Beijing Dacheng Guoce Science And Technology Co ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof in so far as they are not adapted to particular types of measuring means of the preceding groups
    • G01B21/02Measuring arrangements or details thereof in so far as they are not adapted to particular types of measuring means of the preceding groups for measuring length, width, or thickness
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof in so far as they are not adapted to particular types of measuring means of the preceding groups
    • G01B21/32Measuring arrangements or details thereof in so far as they are not adapted to particular types of measuring means of the preceding groups for measuring the deformation in a solid

Abstract

A slope horizontal displacement monitoring system and a method thereof are provided, the system comprises: the device comprises a plurality of monitoring point modules, monitoring point module supporting rods, supporting rod fixing units, known datum points and displacement monitoring modules; the plurality of monitoring point modules are fixedly arranged on the monitoring point module supporting rods at equal intervals; the monitoring point module supporting rod is fixed on the side slope by a supporting rod fixing unit; the displacement monitoring module respectively measures and calculates the initial coordinate positions of the monitoring points in the multiple monitoring point modules according to the known reference points, and records the initial coordinate positions; and measuring and calculating the coordinate positions of the monitoring points in the multiple monitoring point modules again at intervals of a preset time period, and calculating and recording the horizontal displacement of each monitoring point according to the coordinate positions. According to the method, the horizontal displacement of each monitoring point is measured and calculated according to the system, so that the horizontal displacement condition of the side slope is judged. The monitoring system is simple to install and convenient to operate, and the adopted derivation calculation mode improves the accuracy of horizontal displacement monitoring.

Description

Slope horizontal displacement monitoring system and method thereof
Technical Field
The invention relates to the technical field of geotechnical engineering monitoring, in particular to a side slope horizontal displacement monitoring system and a side slope horizontal displacement monitoring method.
Background
The horizontal displacement/deformation monitoring is a component of the displacement or deformation value of surrounding rock or a side slope of the pit exploration engineering along the horizontal direction, and is an important index of the foundation pit and the side slope, particularly the deep foundation pit and the permanent side slope supporting engineering. During engineering construction, along with digging out of soil in a foundation pit, pressure difference is generated between the soil on two sides of the foundation pit supporting structure, and therefore the soil horizontally moves from the outer side to the inner side of the foundation pit. By horizontal deformation monitoring, monitoring data are analyzed and processed in time, the safety and stability of the stratum and the supporting structure are judged, the influence degree of foundation pit excavation construction on the enclosure structure and the surrounding environment is judged, construction safety can be controlled, the influence of foundation pit construction on the surrounding environment is reduced, potential hazards or accidents which are possibly caused by the danger of the environment and the construction safety of the foundation pit can be forecast timely and accurately, preventive measures are taken in advance, and accidents are avoided.
The existing soil horizontal displacement, such as the soil horizontal displacement of a foundation pit or a pile hole, is carried out by utilizing an embedded or later-stage drilling installation inclinometer pipe with an internal track to be matched with an inclinometer. The existing methods comprise two methods of manual measurement and automatic measurement. The manual measuring method specifically comprises the steps of measuring an inclination angle per meter in the depth direction by manually pulling an inclinometer in the inclinometer, then reversely deducing the horizontal displacement generated at the depth position according to the inclination angle, and drawing a horizontal displacement curve which changes along with the depth, namely soil body inclination measurement. The automatic measurement method is improved on the basis of a manual test method, and particularly comprises the steps of placing a string of inclination angle sensors in an inclinometer, arranging one inclination angle sensor at a certain distance, and then regularly reading the data of each inclination angle sensor by using a data acquisition and processing device to realize automatic monitoring. Although the soil body inclination can be automatically measured, the defect is that the inclination angle sensor is expensive, the cost is too high, and the monitoring cost is increased sharply.
Disclosure of Invention
The invention aims to provide a side slope horizontal displacement monitoring system and a side slope horizontal displacement monitoring method aiming at the defects of the prior art, which are convenient to install and measure and high in monitoring precision.
In order to achieve the above object, a first aspect of the present invention provides a slope horizontal displacement monitoring system, including: the device comprises a plurality of monitoring point modules, monitoring point module supporting rods, supporting rod fixing units, known datum points and displacement monitoring modules;
the plurality of monitoring point modules are fixedly arranged on the monitoring point module supporting rods at equal intervals;
the monitoring point module supporting rod is fixed on the side slope by the supporting rod fixing unit;
the displacement monitoring module respectively measures and calculates the initial coordinate positions of the monitoring points in the multiple monitoring point modules according to known reference points, and records the initial coordinate positions; and measuring and calculating the coordinate positions of the monitoring points in the multiple monitoring point modules again at intervals of a preset time period, and calculating and recording the horizontal displacement of each monitoring point according to the coordinate positions.
Furthermore, the monitoring point module comprises an annular buckle which is used for being buckled on the supporting rod of the monitoring point module;
one side of the annular buckle is provided with a monitoring point fixing plate, and a monitoring point is fixedly arranged on the annular buckle.
Furthermore, a displacement reference rod is fixedly arranged on the monitoring point fixing plate and extends to the adjacent monitoring point fixing plate, a displacement sensor is arranged at the position, opposite to the displacement reference rod, on the adjacent monitoring point fixing plate and used for monitoring the relative displacement of the adjacent monitoring points, and when the relative displacement exceeds a preset threshold value and reaches a certain amount, a warning is given out.
Furthermore, the supporting rod fixing units comprise a plurality of fixing heads and fixing anchors, and the supporting rods of the monitoring point modules are fixed on the side slope at equal intervals or unequal intervals.
Further, the two known reference points are arranged on the flat terrain of the slope bottom, and the coordinates of the two known reference points are respectively (x)A,yA)、(xB,yB)。
Further, the displacement monitoring module calculates the horizontal displacement of the monitoring point according to the following formula, where Δ x and Δ y are the longitudinal displacement and the transverse displacement relative to the side slope, respectively:
wherein the content of the first and second substances,
the coordinates of the two known reference points A, B are (x) respectivelyA,yA)、(xB,yB) (ii) a The coordinate of the monitoring point P is (x)P,yP),The angles of < BAP and < ABP in the triangle formed by the point A, B, P,the angles of the angle BAP 'and the angle ABP' in the triangle formed by the displacement of the monitoring point P to the point A, B, P 'after the point P' are respectively.
The second aspect of the present invention provides a method for monitoring horizontal displacement of a side slope, which is performed by the monitoring system for horizontal displacement of a side slope, and comprises the following steps:
a known reference point A, B is set and its coordinates (x) are recordedA,yA)、(xB,yB);
Respectively measuring and calculating the initial coordinate positions of the monitoring points in the multiple monitoring point modules according to the known reference points, and recording the initial coordinate positions;
and measuring and calculating the coordinate positions of the monitoring points in the multiple monitoring point modules again at intervals of a preset time period, and calculating and recording the horizontal displacement of each monitoring point according to the coordinate positions.
Further, the horizontal displacement of the monitoring point is calculated by the following formula, wherein Δ x and Δ y are respectively the longitudinal displacement and the transverse displacement relative to the side slope:
wherein the content of the first and second substances,
the coordinates of the two known reference points A, B are (x) respectivelyA,yA)、(xB,yB) (ii) a The coordinate of the monitoring point P is (x)P,yP),The angles of < BAP and < ABP in the triangle formed by the point A, B, P,the angles of the angle BAP 'and the angle ABP' in the triangle formed by the displacement of the monitoring point P to the point A, B, P 'after the point P' are respectively.
Further, the method also comprises the following steps:
accumulating the horizontal displacement of each monitoring point calculated every other preset time period according to the time sequence to obtain the total horizontal displacement of each monitoring point;
and when the accumulated horizontal displacement value reaches a preset value, the displacement monitoring system sends alarm information to the background.
Further, the method also comprises the following steps: and when the relative displacement of the adjacent monitoring points exceeds a preset threshold value and reaches a certain number to send out warning, the monitoring point module and the supporting rod of the monitoring point module are maintained or replaced.
In summary, the present invention provides a system and a method for monitoring horizontal displacement of a side slope, wherein the system comprises: the device comprises a plurality of monitoring point modules, monitoring point module supporting rods, supporting rod fixing units, known datum points and displacement monitoring modules; the plurality of monitoring point modules are fixedly arranged on the monitoring point module supporting rods at equal intervals; the monitoring point module supporting rod is fixed on the side slope by the supporting rod fixing unit; the displacement monitoring module respectively measures and calculates the initial coordinate positions of the monitoring points in the multiple monitoring point modules according to the known reference points, and records the initial coordinate positions; and measuring and calculating the coordinate positions of the monitoring points in the multiple monitoring point modules again at intervals of a preset time period, and calculating and recording the horizontal displacement of each monitoring point according to the coordinate positions. According to the method, the horizontal displacement of each monitoring point is measured and calculated according to the system, so that the horizontal displacement condition of the side slope is judged.
The invention has the beneficial effects that:
1. the monitoring system only needs one-time installation, the horizontal displacement is measured and calculated without climbing or carrying out the operation of an inclinometer, and the monitoring system is simple to install and convenient to operate.
2. The monitoring system is provided with relative displacement monitoring of adjacent monitoring point modules, and the field condition of the monitoring point modules is conveniently monitored.
3. And the calculation of the horizontal displacement is carried out by adopting a derivation mode, so that the monitoring precision of the horizontal displacement is improved.
Drawings
Fig. 1 is a schematic front structural view of a slope horizontal displacement monitoring system according to an embodiment of the present invention;
FIG. 2 is a schematic side view of a horizontal displacement monitoring system for a slope according to an embodiment of the present invention;
FIG. 3 is a schematic view of a partial structure of a slope horizontal displacement monitoring system according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a horizontal displacement of a monitoring point module according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of the horizontal displacement calculation of an embodiment of the present invention;
fig. 6 is a schematic flow chart of a slope horizontal displacement monitoring method according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
A first aspect of the present invention provides a slope horizontal displacement monitoring system, as shown in fig. 1 and 2, including: a plurality of monitoring point modules 1, a monitoring point module support bar 2, a support bar fixing unit 3, a known reference point A, B and a displacement monitoring module. The monitoring point modules 1 are fixedly arranged on the monitoring point module supporting rods 2 at equal intervals; the monitoring point module supporting rod 2 is fixed on the side slope by a supporting rod fixing unit 3; the displacement monitoring module 1 respectively measures and calculates the initial coordinate positions of monitoring points Pi (i belongs to [1, n ], n is an integer larger than 1) in the monitoring point modules according to the known reference point A, B, and records the initial coordinate positions; every other preset time period, the displacement monitoring module 1 re-measures and calculates the coordinate positions of the monitoring points Pi in the plurality of monitoring point modules, and calculates and records the horizontal displacement of each monitoring point Pi according to the coordinate positions.
Further, can set up a plurality of monitoring point module bracing pieces 2 on the slope along the slope direction to avoid monitoring point module bracing piece 2's length overlength, the condition that leads to easy rupture takes place.
Further, as shown in fig. 1, a plurality of monitoring point modules 1 are fixedly arranged on the monitoring point module support rods 2 at equal intervals. This monitoring point module 1 includes annular buckle 4 for with 1 buckle of monitoring point module on the monitoring point module bracing piece, annular buckle 4 can be most half ring, also can be whole ring. One side of the annular buckle 4 is fixedly connected with a monitoring point fixing plate 7, and the monitoring point fixing plate 7 can be integrally formed with the annular buckle 4 or can be adhered or welded together after being formed in a split mode. The monitoring point fixing plate 7 is fixedly provided with a monitoring point Pi which can be provided as a reflector, a laser reflector or other devices for receiving the signal of the distance measuring device and feeding back the signal.
As shown in fig. 3, a displacement reference rod 5 is further fixedly arranged on the monitoring point fixing plate 7, one end of the displacement reference rod is fixedly connected to the monitoring point fixing plate 7 through a screw, the other end of the displacement reference rod longitudinally extends to the adjacent monitoring point fixing plate and is partially overlapped with the adjacent monitoring point fixing plate, and a displacement sensor 6 is arranged on the adjacent monitoring point fixing plate at a position opposite to the displacement reference rod. Because displacement benchmark pole 5 is the free end in the one end of adjacent monitoring point fixed plate, when the side slope takes place to remove and leads to whole displacement monitoring system or parts wherein to take place corresponding displacement, the skew condition also can take place for the free end of this displacement benchmark pole 5, consequently measures the displacement value rather than between the relative displacement benchmark pole with displacement sensor 6, can monitor the relative displacement of adjacent monitoring point for whether the condition of knowing monitoring point module 1 and/or bracing piece 2 has the damage to take place. Further, the device comprises a counting unit for recording the number of the relative displacement exceeding a preset threshold value. The counting unit can record the number of the relative displacement exceeding a preset threshold value in each monitoring point module supporting rod, also can record the number of the relative displacement exceeding a preset threshold value in all the monitoring point module supporting rods along one direction, and sends out a warning when the number in the counting unit reaches a preset value. And the working personnel checks the site according to the warning information and determines whether to maintain or replace the monitoring point module 1 and the monitoring point module supporting rod 2.
Further, as shown in fig. 2, the supporting rod fixing unit 3 includes a plurality of fixing heads 31 and fixing anchors 32 for fixing the monitoring point module supporting rods on the side slope at equal intervals or at unequal intervals. Specifically, the two ends of the supporting rod 2 of the monitoring point module are provided with the supporting rod fixing units 3, one supporting rod fixing unit 3 can be arranged between two adjacent monitoring point modules, or one supporting rod fixing unit 3 is arranged at intervals among a plurality of monitoring point modules. Specifically, a plurality of holes may be provided on the support rod for receiving the fixing heads 31 of the support rod fixing units, or the support rod fixing units may be directly knocked into the support rod to fix the support rod on the slope.
Further, a cover unit (not shown) may be further included for covering the plurality of monitoring point modules. The cover unit may be a cover film or a plastic housing.
Furthermore, the horizontal displacement monitoring module comprises a measuring unit and a calculating unit, wherein the measuring unit is used for measuring information such as coordinate values of monitoring points, distances and/or angles between the monitoring points and known reference points; the calculating unit is used for calculating the horizontal displacement value of the side slope by adopting a certain calculating method according to the measured value.
As shown in figures 1 and 2, the monitoring system comprises two known reference points A and B, arranged on a flat terrain at the base of the slope, the coordinates of which are respectively (x)A,yA)、(xB,yB) The coordinate of the monitoring point P is (x)P,yP)。
As shown in FIG. 4, when the slope is displaced horizontally, the position of the monitoring point P is changed to P', and the coordinate is changed to (x)P’,yP’) At this time, the horizontal displacement calculation process of the monitor point is as follows.
As shown in fig. 5, A, B is a known reference point,for the observation angle, the angles of & lt BAP & gt and & lt ABP in the triangle formed by the point A, B, P are respectively, and the coordinate (x) of the point PP,yP) Comprises the following steps:
differential derivation is performed on the above equations (1) and (2) to obtain:
order:(ii) a Wherein, the delta x and the delta y are respectively longitudinal displacement and transverse displacement relative to the side slope;
order:
then there are:
due to (x)A,yA)、(xB,yB)、Are all of known value, thenD 1 D 2 D 3 D 4 It can be calculated as a constant. The known value and the constant are stored as initial values in the displacement monitoring module, and then the longitudinal displacement deltax and the transverse displacement deltay relative to the slope are calculated by measuring the coordinates of the displaced monitoring point P 'or the distance from the known reference point A, B or the angle value between the displaced monitoring point P' and the known reference point A, B. And measuring and calculating the horizontal displacement of the side slope once at regular intervals, recording the horizontal displacement value of each time, and sequentially accumulating to obtain an accumulated horizontal displacement value. And when the accumulated horizontal displacement value reaches a preset value, the displacement monitoring system sends alarm information to the background.
A second aspect of the present invention provides a method for monitoring horizontal displacement of a slope, which is performed by the foregoing system for monitoring horizontal displacement of a slope, as shown in fig. 6, and includes the following steps:
step S100, a known reference point A, B is set, and the coordinates (x) thereof are recordedA,yA)、(xB,yB). According to the above derivation procedure, constant values are calculated and recordedD 1 D 2 D 3 D 4
And step S200, respectively measuring and calculating the initial coordinate positions of the monitoring points Pi in the multiple monitoring point modules according to the known reference points, and recording the initial coordinate positions.
And step S300, measuring and calculating the coordinate positions of the monitoring points in the multiple monitoring point modules again at intervals of a preset time period, and calculating and recording the horizontal displacement of each monitoring point according to the coordinate positions. Specifically, the horizontal displacements Δ x and Δ y of the monitoring points are calculated according to the above formula, which is not described herein again.
Further, the method also comprises the following steps:
accumulating the horizontal displacement of each monitoring point calculated every other preset time period according to the time sequence to obtain the accumulated horizontal displacement of each monitoring point; and when the accumulated horizontal displacement value reaches a preset value, the displacement monitoring system sends alarm information to the background.
Further, the method also comprises the following steps:
and when the relative displacement of the adjacent monitoring points exceeds a preset threshold value and reaches a certain number to send out warning, the monitoring point module and the supporting rod of the monitoring point module are maintained or replaced.
In summary, the present invention provides a system and a method for monitoring horizontal displacement of a side slope, wherein the system comprises: the device comprises a plurality of monitoring point modules, monitoring point module supporting rods, supporting rod fixing units, known datum points and displacement monitoring modules; the plurality of monitoring point modules are fixedly arranged on the monitoring point module supporting rods at equal intervals; the monitoring point module supporting rod is fixed on the side slope by the supporting rod fixing unit; the displacement monitoring module respectively measures and calculates the initial coordinate positions of the monitoring points in the multiple monitoring point modules according to the known reference points, and records the initial coordinate positions; and measuring and calculating the coordinate positions of the monitoring points in the multiple monitoring point modules again at intervals of a preset time period, and calculating and recording the horizontal displacement of each monitoring point according to the coordinate positions. According to the method, the horizontal displacement of each monitoring point is measured and calculated according to the system, so that the horizontal displacement condition of the side slope is judged.
The invention has the beneficial effects that:
1. the monitoring system only needs one-time installation, the horizontal displacement is measured and calculated without climbing or carrying out the operation of an inclinometer, and the monitoring system is simple to install and convenient to operate.
2. The monitoring system is provided with relative displacement monitoring of adjacent monitoring point modules, and the field condition of the monitoring point modules is conveniently monitored.
3. And the calculation of the horizontal displacement is carried out by adopting a derivation mode, so that the monitoring precision of the horizontal displacement is improved.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims (8)

1. A slope horizontal displacement monitoring system, comprising: the device comprises a plurality of monitoring point modules, monitoring point module supporting rods, supporting rod fixing units, known datum points and displacement monitoring modules;
the plurality of monitoring point modules are fixedly arranged on the monitoring point module supporting rods at equal intervals;
the monitoring point module supporting rod is fixed on the side slope by the supporting rod fixing unit;
the displacement monitoring module respectively measures and calculates the initial coordinate positions of the monitoring points in the multiple monitoring point modules according to known reference points, and records the initial coordinate positions; measuring and calculating the coordinate positions of the monitoring points in the multiple monitoring point modules again at intervals of a preset time period, and calculating and recording the horizontal displacement of each monitoring point according to the coordinate positions;
the monitoring point module comprises an annular buckle which is used for being buckled on the supporting rod of the monitoring point module;
one side of the annular buckle is provided with a monitoring point fixing plate, and monitoring points are fixedly arranged on the monitoring point fixing plate;
the monitoring point fixing plate is fixedly provided with a displacement reference rod, the displacement reference rod extends to the adjacent monitoring point fixing plate, a displacement sensor is arranged at the position, opposite to the displacement reference rod, of the adjacent monitoring point fixing plate and used for monitoring the relative displacement of the adjacent monitoring points, and when the relative displacement exceeds a preset threshold value and reaches a certain amount, a warning is sent.
2. The slope horizontal displacement monitoring system of claim 1, wherein the supporting rod fixing unit comprises a plurality of fixing heads and fixing anchors, and the supporting rods of the monitoring point module are fixed on the slope at equal intervals or unequal intervals.
3. The slope horizontal displacement monitoring system of claim 2, wherein the two known reference points are disposed on a flat terrain of the slope bottom, and the coordinates of the two known reference points are (x) respectivelyA,yA)、(xB,yB)。
4. The slope horizontal displacement monitoring system of claim 3, wherein the displacement monitoring module calculates the horizontal displacement of the monitoring point according to the following formula, where Δ x and Δ y are the longitudinal displacement and the transverse displacement relative to the slope, respectively:
(1)
(2)
wherein the content of the first and second substances,
the coordinates of the two known reference points A, B are (x) respectivelyA,yA)、(xB,yB) (ii) a The coordinate of the monitoring point P is (x)P,yP),The angles of < BAP and < ABP in the triangle formed by the point A, B, P,the angles of the angle BAP 'and the angle ABP' in the triangle formed by the displacement of the monitoring point P to the point A, B, P 'after the point P' are respectively.
5. A method for monitoring horizontal displacement of a slope, which is monitored by the system for monitoring horizontal displacement of a slope according to any one of claims 1 to 4, comprising the steps of:
a known reference point A, B is set and its coordinates (x) are recordedA,yA)、(xB,yB);
Respectively measuring and calculating the initial coordinate positions of the monitoring points in the multiple monitoring point modules according to the known reference points, and recording the initial coordinate positions;
and measuring and calculating the coordinate positions of the monitoring points in the multiple monitoring point modules again at intervals of a preset time period, and calculating and recording the horizontal displacement of each monitoring point according to the coordinate positions.
6. The slope horizontal displacement monitoring method according to claim 5, wherein the horizontal displacement of the monitoring point is calculated according to the following formula, where Δ x and Δ y are the longitudinal displacement and the transverse displacement relative to the slope, respectively:
(1)
(2)
wherein the content of the first and second substances,
the coordinates of the two known reference points A, B are (x) respectivelyA,yA)、(xB,yB) (ii) a The coordinate of the monitoring point P is (x)P,yP),The angles of < BAP and < ABP in the triangle formed by the point A, B, P,the angles of the angle BAP 'and the angle ABP' in the triangle formed by the displacement of the monitoring point P to the point A, B, P 'after the point P' are respectively.
7. The slope horizontal displacement monitoring method of claim 5 or 6, further comprising:
accumulating the horizontal displacement of each monitoring point calculated every other preset time period according to the time sequence to obtain the total horizontal displacement of each monitoring point;
and when the accumulated horizontal displacement value reaches a preset value, the displacement monitoring system sends alarm information to the background.
8. The slope horizontal displacement monitoring method of claim 7, further comprising: and when the relative displacement of the adjacent monitoring points exceeds a preset threshold value and reaches a certain number to send out warning, the monitoring point module and the supporting rod of the monitoring point module are maintained or replaced.
CN202010781019.XA 2020-08-06 2020-08-06 Slope horizontal displacement monitoring system and method thereof Active CN111735419B (en)

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Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000298016A (en) * 1999-04-15 2000-10-24 Tadayoshi Watanabe Structure of width-of-crack detecting sensor
KR20080016057A (en) * 2006-08-17 2008-02-21 정용호 The coordinate displacement system which uses the length displacement sensor
CN203375928U (en) * 2013-08-23 2014-01-01 中国地质调查局水文地质环境地质调查中心 Slip slope multi-point displacement monitoring system based on magnetostriction
CN103424099B (en) * 2013-08-26 2015-12-02 招商局重庆交通科研设计院有限公司 Based on the slope monitoring method for early warning of deformation data
CN205679220U (en) * 2016-06-03 2016-11-09 基康仪器股份有限公司 A kind of flexible structure for sensor array cascade
CN207556493U (en) * 2017-11-01 2018-06-29 中国电建集团华东勘测设计研究院有限公司 Landslide displacement monitoring device and early warning system
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Inventor after: Jiang Meng

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Inventor after: Gao Yuliang

Inventor after: Wang He

Inventor after: Kang Qiujing

Inventor after: Gao Zhanjian

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Inventor after: Gao Fei

Inventor before: Jiang Meng

Inventor before: Zhang Huai

Inventor before: Zhong Wenqing

Inventor before: Gao Yuliang

Inventor before: Wang He

Inventor before: Kang Qiujing

Inventor before: Gao Zhanjian

Inventor before: Sun Yunpeng

Inventor before: Gao Fei