CN-121977499-A - Automatic monitoring device and monitoring method for settlement of embedded roadbed

CN121977499ACN 121977499 ACN121977499 ACN 121977499ACN-121977499-A

Abstract

The invention discloses an automatic monitoring device and a monitoring method for embedded roadbed settlement, which relate to the technical field of roadbed processing, wherein a first vertical distance anti-seismic level meter for measuring the change of a first reference box relative to a second reference box is arranged in the first reference box, and a control module is used for acquiring a first initial vertical distance of each monitoring rod in a first monitoring rod group relative to the first reference box and determining first relative settlement data of a lower layer area of a roadbed to be measured relative to the second reference box after roadbed settlement occurs according to the first initial vertical distance, a first angle conversion value and the first vertical distance corresponding to each monitoring rod. Through the technical scheme, the complexity of the installation of the measuring equipment can be reduced, the deviation of the first relative sedimentation data can be reduced, and the accuracy of the first relative sedimentation data can be improved.

Inventors

ZHANG TING
LI CHAO
CAO HUOYONG
YANG QUANMING
Yuan Peiwu
LI ZAIPING
LI KAI
ZHENG YUCHAO
HONG XICHENG
ZENG XIANGJUN
YAN HAI
Fu Chengkai
LAN YONG
LUO GUANG
ZHENG YONG
WANG GUOJUN
CHEN SIYU
WANG XIAOLANG
FAN HOUCHAO
CHEN CHUNLEI
ZHAO YANFENG

Assignees

中铁八局集团有限公司
中铁二院贵阳勘察设计研究院有限责任公司
西南交通大学
四川交奥智控防护科技有限公司

Dates

Publication Date: 20260505
Application Date: 20260130

Claims (8)

1. The embedded roadbed settlement automatic monitoring device is characterized by comprising a first reference box (5), a second reference box (7), a first monitoring rod group (2) and a control module (8), wherein the second reference box (7) is arranged at a reference position of a roadbed (1) to be detected, the first reference box (5) and the first monitoring rod group (2) are both arranged in a lower layer area of the roadbed (1) to be detected, the first reference box (5) and the second reference box (7) are connected through a communicating pipe (6), and one end of the first monitoring rod group (2) is fixedly connected with the first reference box (5); The first monitoring rod group (2) comprises a plurality of monitoring rods, the monitoring rods are sequentially connected through corrugated pipes, and two adjacent monitoring rods are also movably connected through a T-shaped component (19); an anti-seismic material level meter is arranged in the first reference box (5), and is used for measuring a first vertical distance of the first reference box (5) relative to the change of the second reference box (7) and transmitting the first vertical distance to the control module (8); An angle sensor is arranged in each monitoring rod in the first monitoring rod group (2), and the angle sensor is used for measuring a first angle conversion value of the position of each monitoring rod after roadbed settlement occurs and transmitting the first angle conversion value to the control module (8); The control module (8) is used for acquiring a first initial vertical distance of each monitoring rod in the first monitoring rod group (2) relative to the first reference box (5), and determining first relative sedimentation data of a lower layer area of the roadbed (1) to be detected relative to the second reference box (7) after roadbed sedimentation occurs according to the first initial vertical distance, the first angle conversion value and the first vertical distance corresponding to each monitoring rod.
2. The embedded roadbed settlement automatic monitoring device according to claim 1, further comprising a second monitoring rod group (4), wherein the second monitoring rod group (4) is arranged in a foundation bed (10) of the roadbed (1) to be detected, one end of the second monitoring rod group (4) is fixedly connected with the first reference box (5), and the other end of the second monitoring rod group (4) is connected with an upper layer area of the roadbed (1) to be detected; an angle sensor is arranged in each monitoring rod in the second monitoring rod group (4), and each angle sensor is used for measuring a second angle conversion value of the position of the corresponding monitoring rod after roadbed settlement occurs and transmitting the second angle conversion value to the control module (8); The control module (8) is configured to obtain a second initial vertical distance of each monitoring rod in the second monitoring rod group (4) relative to the first reference box (5), and determine second relative sedimentation data of the foundation bed (10) of the roadbed (1) to be tested relative to the second reference box (7) after roadbed sedimentation occurs according to the second initial vertical distance, the second angle conversion value, the length and the first vertical distance corresponding to each monitoring rod.
3. The automatic monitoring device for settlement of the embedded roadbed according to claim 2, further comprising a third monitoring rod group (3), wherein the third monitoring rod group (3) is arranged in an upper layer area of the roadbed (1) to be detected, one end of the third monitoring rod group (3) is connected with the second monitoring rod group (4), the third monitoring rod group (3) comprises a plurality of monitoring rods, the monitoring rods are sequentially connected through corrugated pipes, and two adjacent monitoring rods are movably connected through a T-shaped assembly (19); an angle sensor is arranged in each monitoring rod in the third monitoring rod group (3), and each angle sensor is used for measuring a third angle conversion value of the position where the corresponding monitoring rod is positioned after roadbed settlement occurs and transmitting the third angle conversion value to the control module (8); The control module (8) is configured to obtain a third initial vertical distance of each monitoring rod in the third monitoring rod group (3) relative to the first reference box (5), and determine third relative settlement data of an upper layer area of the roadbed (1) to be measured relative to the second reference box (7) after roadbed settlement occurs according to the second angle conversion value, the second initial vertical distance, the length of each monitoring rod in the third monitoring rod group (3), the corresponding third initial vertical distance, the third angle conversion value and the first vertical distance of each monitoring rod in the second monitoring rod group (4), wherein the target fourth vertical distance is the vertical distance of the monitoring rod connected with the third monitoring rod group (3) in the second monitoring rod group (4) relative to the first reference box (5).
4. A buried subgrade settlement automatic monitoring device as claimed in any one of claims 1 to 3, wherein said T-shaped component (19) comprises a first metal plate (14), a second metal plate (16), a first clip (12), a second clip (17), a first universal joint (13) and a second universal joint, the first metal plate (14) being vertically T-shaped with the second metal plate (16) and the second metal plate (16) being vertical to the ground (11); Be equipped with first universal joint (13) and second universal joint on first metal sheet (14), first universal joint (13) are connected through screw and first clamp (12), and first clamp (12) are used for fastening the one end of first monitoring stick (15), and the second universal joint is connected through screw and second clamp (17), and second clamp (17) are used for fastening the one end of second monitoring stick (18), wherein, first monitoring stick (15) with second monitoring stick (18) are adjacent monitoring sticks that are connected.
5. An automatic monitoring method for settlement of embedded roadbed, which is applied to the automatic monitoring device for settlement of embedded roadbed according to claim 1, comprising: Acquiring a first vertical distance between a first reference box (5) and a second reference box (7) after the roadbed (1) to be measured is settled; Acquiring a first angle conversion value of a corresponding monitoring rod through each angle sensor in the first monitoring rod group (2); Determining a target first angle conversion value set corresponding to each monitoring rod in the first monitoring rod group (2) and a first initial vertical distance of the monitoring rod relative to the first reference box (5), calculating a second vertical distance of the position of the monitoring rod relative to the first reference box (5) according to the target first angle conversion value set, the first initial vertical distance and the length of the monitoring rod, and calculating a third vertical distance according to the first vertical distance and the second vertical distance, wherein the target first angle conversion value set comprises a first angle conversion value of each monitoring rod in the first monitoring rod group (2); And after the third vertical distance corresponding to all the monitoring rods is calculated, obtaining first relative sedimentation data of the lower layer area of the roadbed (1) to be detected relative to the second reference box (7) after roadbed sedimentation occurs.
6. The method according to claim 5, wherein calculating a second vertical distance of the position of the monitoring rod relative to the first reference box (5) based on the target first angle change value set, the first initial vertical distance, and the length of the monitoring rod comprises: determining a first angle conversion value corresponding to each monitoring rod from the current monitoring rod to the monitoring rods connected with the first reference box (5), and calculating the relative vertical distance between two ends of the monitoring rods by a trigonometric function method according to the first angle conversion value and the length of the monitoring rods; A second vertical distance of the current monitoring rod relative to the first reference box (5) is calculated based on the relative vertical distance of the two ends of each monitoring rod and the first initial vertical distance.
7. The method for automatically monitoring the settlement of the embedded roadbed according to claim 5, which is applied to the automatic monitoring device for the settlement of the embedded roadbed according to claim 2, and comprises the following steps: Determining, for each monitoring bar in the second set of monitoring bars (4), a target second set of angular transformation values for the monitoring bar and a second initial vertical distance of the monitoring bar relative to the first reference box (5), wherein the target second set of angular transformation values comprises second angular transformation values measured by all angle sensors between the current monitoring bar and the monitoring bar connected to the first reference box (5); calculating a third vertical distance of the position of the monitoring rod relative to the first reference box (5) according to the target second angle transformation value set, the second initial vertical distance and the length of the monitoring rod, and calculating a fourth vertical distance corresponding to the monitoring rod according to the first vertical distance and the third vertical distance; and after the fourth vertical distance corresponding to all the monitoring rods in the second monitoring rod group (4) is calculated, second relative sedimentation data of the foundation bed (10) of the roadbed (1) to be detected relative to the second reference box (7) after roadbed sedimentation occurs are obtained.
8. The method for automated monitoring of settlement of embedded subgrade according to claim 7, which is applied to the automated monitoring device of settlement of embedded subgrade according to claim 3, comprising: determining, for each monitoring rod in the third monitoring rod group (3), a target third angle transformation value set corresponding to the monitoring rod and a third initial vertical distance of the monitoring rod relative to the first reference box (5), wherein the target third angle transformation value set comprises second angle transformation values measured by all angle sensors between the current monitoring rod and the monitoring rod connected with the second monitoring rod group (4); Calculating a fifth vertical distance of the position of the monitoring rod relative to the first reference box (5) according to the third angle conversion value set of the target, the length of the monitoring rod, the third initial vertical distance and the fourth vertical distance of the target, and calculating a sixth vertical distance of the monitoring rod according to the fifth vertical distance and the first vertical distance, wherein the fourth vertical distance of the target is the vertical distance of the monitoring rod connected with the third monitoring rod group (3) in the second monitoring rod group (4) relative to the first reference box (5); And after the calculation of the sixth vertical distances corresponding to all the monitoring rods in the third monitoring rod group (3) is completed, third relative settlement data of the upper layer area of the roadbed (1) to be detected relative to the second reference box (7) after roadbed settlement occurs are obtained.

Description

Automatic monitoring device and monitoring method for settlement of embedded roadbed Technical Field The invention relates to the technical field of roadbed treatment, in particular to an automatic monitoring device and method for embedded roadbed settlement. Background The roadbed mainly refers to a specially constructed rock-soil structure layer which is arranged on a natural ground and is used for bearing the road surface and all loads on the road surface, and is a bearing main body of the road. When a new road or railway is built, the subgrade needs to monitor the settlement of the subgrade when encountering weak surrounding rock, karst, goaf and other bad geological sections, and the construction period needs to be monitored generally to evaluate the stable state of the subgrade. Construction period monitoring requires consideration of damage to monitoring equipment caused by construction, and buried type is generally adopted to avoid equipment damage. In the related art, the differential pressure type material level meter or the liquid level type material level meter is used for measuring the relative sedimentation data after roadbed sedimentation, but when the relative sedimentation data is measured by the method in the related art, the relative sedimentation data cannot be maintained manually, for example, bubbles in the measuring liquid are removed, so that the measurement is deviated, the measured relative sedimentation data is inaccurate, and the measuring equipment is difficult to install. Disclosure of Invention The invention aims to provide an automatic monitoring device and method for settlement of an embedded roadbed, which are used for solving the technical problems in the related art. In order to achieve the above purpose, in a first aspect, the invention provides an automatic monitoring device for settlement of an embedded roadbed, comprising a first reference box, a second reference box, a first monitoring rod group and a control module, wherein the second reference box is arranged at a reference position of the roadbed to be tested, the first reference box and the first monitoring rod group are both arranged in a lower layer area of the roadbed to be tested, the first reference box is connected with the second reference box through a communicating pipe, and one end of the first monitoring rod group is fixedly connected with the first reference box; the first monitoring rod group comprises a plurality of monitoring rods, the monitoring rods are sequentially connected through corrugated pipes, and two adjacent monitoring rods are movably connected through a T-shaped component; The first reference box is internally provided with an anti-seismic material level meter, and the anti-seismic material level meter is used for measuring a first vertical distance of the first reference box relative to the change of the second reference box and transmitting the first vertical distance to the control module; An angle sensor is arranged in each monitoring rod in the first monitoring rod group, and the angle sensor is used for measuring a first angle conversion value of the position of each monitoring rod after roadbed settlement occurs and transmitting the first angle conversion value to the control module; The control module is used for acquiring a first initial vertical distance of each monitoring rod in the first monitoring rod group relative to the first reference box, and determining first relative settlement data of a lower layer area of the roadbed to be measured relative to the second reference box after roadbed settlement occurs according to the first initial vertical distance, the first angle conversion value and the first vertical distance corresponding to each monitoring rod. Optionally, the monitoring device further comprises a second monitoring rod group, wherein the second monitoring rod group is arranged in a foundation bed of the roadbed to be monitored, one end of the second monitoring rod group is fixedly connected with the first reference box, and the other end of the second monitoring rod group is connected with an upper layer area of the roadbed to be monitored; an angle sensor is arranged in each monitoring rod in the second monitoring rod group, and each angle sensor is used for measuring a second angle conversion value of the position where the corresponding monitoring rod is positioned after roadbed settlement occurs and transmitting the second angle conversion value to the control module; the control module is used for acquiring a second initial vertical distance of each monitoring rod in the second monitoring rod group relative to the first reference box, and determining second relative sedimentation data of the foundation bed of the roadbed to be detected relative to the second reference box after roadbed sedimentation occurs according to the second initial vertical distance, the second angle transformation value, the length and the first vertical distance corresponding to