CN107167111B - A kind of subsidence monitoring of foundation system - Google Patents

A kind of subsidence monitoring of foundation system Download PDF

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Publication number
CN107167111B
CN107167111B CN201710366211.0A CN201710366211A CN107167111B CN 107167111 B CN107167111 B CN 107167111B CN 201710366211 A CN201710366211 A CN 201710366211A CN 107167111 B CN107167111 B CN 107167111B
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China
Prior art keywords
ground
displacement sensor
dam body
deformation amount
center
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Expired - Fee Related
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CN201710366211.0A
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Chinese (zh)
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CN107167111A (en
Inventor
孙笑
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Nanchang Institute of Technology
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Nanchang Institute of Technology
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C5/00Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels

Abstract

The invention discloses a kind of subsidence monitoring of foundation systems, relate to groundwork detection technical field.The acquisition device of the system includes: displacement sensor, processor and the wireless transmitter module being embedded in below dam body in ground and dam body periphery lower section ground;By the unified layering in below dam body ground and dam body periphery ground lower section, multiple displacement sensors are respectively provided on every layer of ground;Displacement sensor on same layer ground includes: the center displacement sensor that ground below dam body center of gravity is arranged in, around center, multiple internal displacement sensors of ground below dam body are arranged in displacement sensor, and multiple external displacement sensors of ground below dam body periphery are arranged in around internal displacement sensor;Displacement sensor on different layers ground is corresponding along short transverse position.The present invention lays displacement sensor by ground below the ground below dam body and dam body periphery, and obtains settlement of foundation data in advance by server, it is ensured that the safety of dam body engineering.

Description

A kind of subsidence monitoring of foundation system
Technical field
The present invention relates to groundwork detection technical fields, more particularly relate to a kind of subsidence monitoring of foundation system.
Background technique
Increasingly developed with China's infrastructure, land resource is also fewer and fewer, inevitably in weak soil Some works, such as road, house, dam body etc. are built on base;It is just inevitable since soft soil foundation is under the action of additonal pressure It can be deformed, cause works basis that differential settlement occurs, in order to accumulate necessary project data, it is ensured that the matter of works Amount and safety, carrying out settlement monitoring to soft soil foundation is essential key link, for hydraulic engineering, dam body The stability of base directly influences the stabilization of dam body, and the security relationship of dam body is safe to downstream the people's lives and property.
By taking dam body ground as an example, in the prior art to the monitoring of settlement of foundation, different layers ground depth side is usually only considered Upward sedimentation situation, there is no specifically being monitored to the settlement of foundation below dam body region, due to settlement of foundation unevenness The different degrees of inclination of the even dam body that can lead to above ground, if the inclined degree in dam body region cannot be monitored effectively in advance, Considerable safety event will occur.
In conclusion it is in the prior art, exist and the settlement of foundation below dam body region is not monitored specifically, no The problem of capable of accurately knowing the inclined degree of dam body.
Summary of the invention
The embodiment of the present invention provides a kind of subsidence monitoring of foundation system, to solve to exist in the prior art not to dam body The problem of settlement of foundation below region is specifically monitored, and cannot accurately know the inclined degree of dam body.
The embodiment of the present invention provides a kind of subsidence monitoring of foundation system, comprising: acquisition device, remote transmitting device and analysis Processing unit;
The acquisition device include: be embedded in displacement sensor below dam body below ground and dam body periphery in ground, First processor and wireless transmitter module;Wherein, by the unified layering in below dam body ground and dam body periphery ground lower section, at every layer Multiple institute's displacement sensors are respectively provided on ground;Multiple institute's displacement sensors on same layer ground include: to be arranged in dam body The center displacement sensor of ground below center of gravity, around center, multiple interior positions of ground below dam body are arranged in displacement sensor Displacement sensor, and passed around multiple external displacements that ground below dam body periphery is arranged in multiple internal displacement sensors Sensor;Multiple institute's displacement sensors on different layers ground are corresponding along short transverse position;
The remote transmitting device includes: wireless receiving module, second processor and remote transmission module;
The analysis processing device includes: server and memory;
The first processor obtains ground single-point sedimentation deformation amount by institute's displacement sensors, and passes through the nothing Ground single-point sedimentation deformation amount is sent to the second processor by line transmitting module and the wireless receiving module;Described second Ground single-point sedimentation deformation amount is sent to the server by the remote transmission module by processor;Wherein, ground single-point Sedimentation deformation amount includes: ground center sedimentation deformation amount corresponding with the center displacement sensor, is passed with the internal displacement Sedimentation deformation outside sedimentation deformation amount, and ground corresponding with the external displacement sensor inside the corresponding ground of sensor Amount;
The server is according to the ground center sedimentation deformation amount and each ground inside sedimentation deformation amount on same layer ground Between difference, and the level between the center displacement sensor and each internal displacement sensor that are obtained ahead of time Distance determines the first inclination angle between the center displacement sensor and each internal displacement sensor;The server According to the difference between sedimentation deformation amount outside the ground center sedimentation deformation amount on same layer ground and each ground, and in advance The horizontal distance between the center displacement sensor and each external displacement sensor obtained, determines the centre bit The second inclination angle between displacement sensor and each external displacement sensor;The server is according to each of on same layer ground Difference inside ground between sedimentation deformation amount and corresponding ground outside sedimentation deformation amount, and be obtained ahead of time described each Horizontal distance between the internal displacement sensor and the corresponding external displacement sensor determines each interior position Third inclination angle between displacement sensor and the corresponding external displacement sensor;
The server sums respectively to the correspondence ground single-point sedimentation deformation amount on different layers ground, determines below dam body The unidirectional sedimentation value of ground below ground and dam body periphery;The server settles the correspondence ground single-point on different layers ground Displacement sums and averages respectively, determines the average Falling Numbers of ground and dam body periphery lower section ground below dam body;It is described Server sums respectively to the first inclination angle, the second inclination angle and the third inclination angle on different layers ground, determine below dam body ground and The flatness of ground below dam body periphery;
The server by ground single-point sedimentation deformation amount, the first inclination angle, the second inclination angle, third inclination angle, unidirectional sedimentation value, Average Falling Numbers and flatness are stored to the memory.
Preferably, each institute's displacement sensors are arranged at enclosure interior.
Preferably, a part of internal displacement sensor in multiple internal displacement sensors is located at dam body load-bearing Below body inside ground, it is non-that internal displacement sensor described in another part in multiple internal displacement sensors is located at dam body Below weight body inside ground.
In the embodiment of the present invention, a kind of subsidence monitoring of foundation system is provided, compared with prior art, it has the advantage that: The present invention lays displacement sensor by ground below the ground below dam body and dam body periphery, and by server according to everybody The measured value of displacement sensor determines relative settlement inclination angle, unidirectional sedimentation value and average Falling Numbers on depth direction, and entire Detection zone settles flatness, so that convenient accurately effectively monitor settlement of foundation, i.e., obtains settlement of foundation in advance Data, it is ensured that the safety of dam body engineering.
Detailed description of the invention
Fig. 1 is a kind of functional block diagram of subsidence monitoring of foundation system provided in an embodiment of the present invention;
Fig. 2 is the displacement sensor point in a kind of subsidence monitoring of foundation system provided in an embodiment of the present invention in same layer ground position Cloth schematic diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Fig. 1 is a kind of functional block diagram of subsidence monitoring of foundation system provided in an embodiment of the present invention;Fig. 2 is that the present invention is implemented Displacement sensor distribution schematic diagram in a kind of subsidence monitoring of foundation system that example provides in same layer ground position.Such as Fig. 1 and Fig. 2 institute Show, which includes: acquisition device, remote transmitting device and analysis processing device.
Specifically, acquisition device includes: the displacement sensing being embedded in below dam body in ground and dam body periphery lower section ground Device 11, first processor 12 and wireless transmitter module 13;It wherein, will be below dam body ground and unified point below the ground of dam body periphery Layer, is respectively provided with multiple displacement sensors 11 on every layer of ground;Multiple displacement sensors 11 on same layer ground include: that setting exists The center displacement sensor 111 of ground, is arranged in ground below dam body around center displacement sensor 111 below dam body center of gravity Multiple internal displacement sensors 112, and ground below dam body periphery are set more around multiple internal displacement sensors 112 A external displacement sensor 113;Multiple displacement sensors 11 on different layers ground are corresponding along short transverse position.Remote transmission Device includes: wireless receiving module 21, second processor 22 and remote transmission module 23.Analysis processing device includes: server 31 and memory 32.
Preferably, each displacement sensor 11 is arranged at enclosure interior.
Preferably, a part of internal displacement sensor 112 in multiple internal displacement sensors 112 is located at dam body weight body Inside the ground of lower section, another part internal displacement sensor 112 in multiple internal displacement sensors 112 is located at dam body non-bearing Below body inside ground.
Specifically, first processor 12 obtains ground single-point sedimentation deformation amount by displacement sensor 11, and passes through nothing Ground single-point sedimentation deformation amount is sent to second processor 22 by line transmitting module 13 and wireless receiving module 21;Second processor Ground single-point sedimentation deformation amount is sent to server 31 by remote transmission module 23 by 22;Wherein, ground single-point sedimentation deformation Amount includes: ground corresponding with center displacement sensor 111 center sedimentation deformation amount, corresponding with internal displacement sensor 112 Sedimentation deformation amount outside sedimentation deformation amount inside ground, and ground corresponding with external displacement sensor 113.
It should be noted that the acquisition of ground single-point sedimentation deformation amount can intuitively know the sedimentation value of each monitoring point of same layer With the sedimentation value of different layers (i.e. different depth).
Specifically, server 31 according on same layer ground ground center sedimentation deformation amount and each ground inside settle position Water between difference between shifting amount, and the center displacement sensor 111 and each internal displacement sensor 112 that are obtained ahead of time Flat distance determines the first inclination angle between center displacement sensor 111 and each internal displacement sensor 112;Server 31 According to the difference between sedimentation deformation amount outside the ground center sedimentation deformation amount on same layer ground and each ground, and obtain in advance The horizontal distance between center displacement sensor 111 and each external displacement sensor 113 obtained, determines center displacement sensor The second inclination angle between 111 and each external displacement sensor 113;Server 31 according to each ground on same layer ground inside Difference outside sedimentation deformation amount and corresponding ground between sedimentation deformation amount, and each internal displacement sensing being obtained ahead of time Horizontal distance between device 112 and corresponding external displacement sensor 113, determine each internal displacement sensor 112 with it is corresponding External displacement sensor 113 between third inclination angle.
It should be noted that internal displacement sensor 112 is identical with the quantity of external displacement sensor 113, such as Fig. 2 institute It states, internal displacement sensor 112 and external displacement sensor 113 are radial corresponding.
It should be noted that the acquisition at the first inclination angle, the second inclination angle and third inclination angle can intuitively know groundwork detection The relative settlement situation of point.
Specifically, server 31 sums respectively to the correspondence ground single-point sedimentation deformation amount on different layers ground, determines dam The unidirectional sedimentation value of ground and dam body periphery lower section ground below body;Server 31 is to the correspondence ground single-point on different layers ground Sedimentation deformation amount sums and averages respectively, determines the average Falling Numbers of ground and dam body periphery lower section ground below dam body; Server 31 sums respectively to the first inclination angle, the second inclination angle and the third inclination angle on different layers ground, determines ground below dam body With the flatness of ground below dam body periphery.
It should be noted that the present invention lays displacement sensing by ground below the ground below dam body and dam body periphery Device, and relative settlement inclination angle is determined according to the measured value of each displacement sensor by server, the unidirectional sedimentation on depth direction Value and average Falling Numbers, and entire detection zone settle flatness, so that convenient accurately effectively carry out settlement of foundation Monitoring obtains settlement of foundation data, it is ensured that the safety of dam body engineering in advance.
Specifically, server 31 is by ground single-point sedimentation deformation amount, the first inclination angle, the second inclination angle, third inclination angle, unidirectional heavy Depreciation, average Falling Numbers and flatness are stored to memory 32.
It should be noted that initial data, process data and findings data are stored into memory 32, convenient for inquiry The measurement data in each stage, and convenient for knowing other desired project data according to initial data to carry out the accurate of ground Monitoring.
Disclosed above is only several specific embodiments of the invention, and those skilled in the art can carry out the present invention Various modification and variations without departing from the spirit and scope of the present invention, if these modifications and changes of the present invention belongs to the present invention Within the scope of claim and its equivalent technologies, then the present invention is also intended to include these modifications and variations.

Claims (3)

1. a kind of subsidence monitoring of foundation system, comprising: acquisition device, remote transmitting device and analysis processing device;Its feature exists In,
The acquisition device include: be embedded in displacement sensor (11) below dam body below ground and dam body periphery in ground, First processor (12) and wireless transmitter module (13);It wherein, will be below dam body ground and unified point below the ground of dam body periphery Layer, is respectively provided with multiple institute's displacement sensors (11) on every layer of ground;Multiple institute's displacement sensors on same layer ground (11) include: the center displacement sensor (111) that ground below dam body center of gravity is set, surround center displacement sensor (111) Multiple internal displacement sensors (112) of ground below dam body are set, and surround multiple internal displacement sensors (112) multiple external displacement sensors (113) of ground below dam body periphery are set;Multiple institute's rhemes on different layers ground Displacement sensor (11) is corresponding along short transverse position;
The remote transmitting device includes: wireless receiving module (21), second processor (22) and remote transmission module (23);
The analysis processing device includes: server (31) and memory (32);
The first processor (12) obtains ground single-point sedimentation deformation amount by institute's displacement sensors (11), and passes through institute It states wireless transmitter module (13) and the wireless receiving module (21) ground single-point sedimentation deformation amount is sent at described second It manages device (22);Ground single-point sedimentation deformation amount is sent to by the second processor (22) by the remote transmission module (23) The server (31);Wherein, ground single-point sedimentation deformation amount includes: correspondingly with center displacement sensor (111) Base center sedimentation deformation amount, sedimentation deformation amount inside corresponding with internal displacement sensor (112) ground, and with it is described Sedimentation deformation amount outside the corresponding ground of external displacement sensor (113);
The server (31) is according to the ground center sedimentation deformation amount and each ground inside sedimentation deformation amount on same layer ground Between difference, and the center displacement sensor (111) and each internal displacement sensor (112) that are obtained ahead of time Between horizontal distance, determine between the center displacement sensor (111) and each internal displacement sensor (112) First inclination angle;The server (31) according on same layer ground ground center sedimentation deformation amount and each ground outside settle position Difference between shifting amount, and the center displacement sensor (111) being obtained ahead of time and each external displacement sensor (113) horizontal distance between determines the center displacement sensor (111) and each external displacement sensor (113) Between the second inclination angle;The server (31) is according to sedimentation deformation amount inside each ground on same layer ground and corresponding Difference outside base between sedimentation deformation amount, and each internal displacement sensor (112) for being obtained ahead of time with it is right The horizontal distance between the external displacement sensor (113) answered, determine each internal displacement sensor (112) with it is right The third inclination angle between the external displacement sensor (113) answered;
The server (31) sums respectively to the correspondence ground single-point sedimentation deformation amount on different layers ground, determines below dam body The unidirectional sedimentation value of ground below ground and dam body periphery;The server (31) is to the correspondence ground single-point on different layers ground Sedimentation deformation amount sums and averages respectively, determines the average Falling Numbers of ground and dam body periphery lower section ground below dam body; The server (31) sums respectively to the first inclination angle, the second inclination angle and the third inclination angle on different layers ground, determines under dam body The flatness of ground below square ground and dam body periphery;
The server (31) by ground single-point sedimentation deformation amount, the first inclination angle, the second inclination angle, third inclination angle, unidirectional sedimentation value, Average Falling Numbers and flatness are stored to the memory (32).
2. subsidence monitoring of foundation system as described in claim 1, which is characterized in that each institute's displacement sensors (11) are all provided with It sets inside housings.
3. subsidence monitoring of foundation system as described in claim 1, which is characterized in that multiple internal displacement sensors (112) a part of internal displacement sensor (112) in is located at below dam body weight body inside ground, multiple inside Internal displacement sensor (112) described in another part in displacement sensor (112) is located at below dam body non-bearing body inside ground.
CN201710366211.0A 2017-05-23 2017-05-23 A kind of subsidence monitoring of foundation system Expired - Fee Related CN107167111B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113701713A (en) * 2021-08-11 2021-11-26 国网山东省电力公司微山县供电公司 System and method for monitoring and early warning inclination of transmission tower

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09221735A (en) * 1996-02-19 1997-08-26 Hazama Gumi Ltd Base isolation structure for embankment dam body
CN103542835A (en) * 2013-10-22 2014-01-29 国家电网公司 Foundation settlement monitoring system
CN103760595A (en) * 2014-01-13 2014-04-30 中国科学院武汉岩土力学研究所 Method for arranging microquake real-time monitoring sensors in large-diameter surge shaft excavation process
CN203785664U (en) * 2013-11-20 2014-08-20 广西电网公司百色供电局 Power transmission line iron tower inclination and settlement pre-warning system
CN105203074A (en) * 2014-06-06 2015-12-30 新昌县镜岭镇凌康机械厂 Floor settlement on-line monitoring device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09221735A (en) * 1996-02-19 1997-08-26 Hazama Gumi Ltd Base isolation structure for embankment dam body
CN103542835A (en) * 2013-10-22 2014-01-29 国家电网公司 Foundation settlement monitoring system
CN203785664U (en) * 2013-11-20 2014-08-20 广西电网公司百色供电局 Power transmission line iron tower inclination and settlement pre-warning system
CN103760595A (en) * 2014-01-13 2014-04-30 中国科学院武汉岩土力学研究所 Method for arranging microquake real-time monitoring sensors in large-diameter surge shaft excavation process
CN105203074A (en) * 2014-06-06 2015-12-30 新昌县镜岭镇凌康机械厂 Floor settlement on-line monitoring device

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