CN110656640B - Automatic monitoring system and method for post-construction settlement of expressway - Google Patents

Automatic monitoring system and method for post-construction settlement of expressway Download PDF

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CN110656640B
CN110656640B CN201910952307.4A CN201910952307A CN110656640B CN 110656640 B CN110656640 B CN 110656640B CN 201910952307 A CN201910952307 A CN 201910952307A CN 110656640 B CN110656640 B CN 110656640B
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settlement
column
roadbed
point
toe
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CN110656640A (en
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沈达
吴跃东
刘坚
郭旺旺
黄佳晖
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Hohai University HHU
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D1/00—Investigation of foundation soil in situ
    • E02D1/08—Investigation of foundation soil in situ after finishing the foundation structure
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels

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Abstract

The invention discloses an automatic monitoring system and method for post-construction settlement of a highway, which comprises reference columns arranged at reference points, and settlement columns which are respectively arranged at the slope toe, the shoulder and the center line of a roadbed and are marked with scale marks; the reference column and the settlement columns arranged at the slope toe and the road shoulder of the roadbed are internally provided with measuring boxes, and each measuring box comprises a high-precision laser positioning lamp, a wireless transmission camera, a power supply timer and a high-energy storage battery. The laser positioning lamp in the measuring box is shot on the sedimentation column correspondingly marked with scales, the scales corresponding to the light spots are shot at the same time and transmitted to the cloud server, and then the settlement of the road surface relative to the set base point is obtained by calculating the relative settlement of each measuring point through the server and accumulating the relative settlement. The automatic monitoring system for post-construction settlement provided by the invention is easy to install and operate, low in cost required by equipment, convenient to maintain, capable of only periodically replacing the battery in the measuring box, reducing the number of external circuits, prolonging the service life, strong in stability and convenient for long-term real-time monitoring.

Description

Automatic monitoring system and method for post-construction settlement of expressway
Technical Field
The invention relates to an automatic monitoring system and method for post-construction settlement of a highway, belonging to the technical field of highway settlement monitoring.
Background
Along with the development of modern social economy, the construction of highways is increased more and more, the highways have high requirements on foundations, and the foundation soil in coastal areas of China has the characteristics of high water content, high compressibility, low strength and the like, so that the highways constructed in the coastal areas of China commonly have settlement and differential settlement diseases of highway subgrades. After-construction settlement, particularly uneven settlement, inevitably causes unevenness of the road surface, and causes a plurality of diseases on the road surface, mainly manifested as road arch deformation, structural layer cracking, floor hollowing, road surface slab staggering, slurry turning, pot holes, cracks, fracture and the like, which not only destroys comfort of riding and smoothness of driving, but also prevents vehicles from fast driving, and does not achieve the purpose of 'fast, safe and comfortable' of the highway. The post-construction settlement monitoring is a mode for preventing highway hazards, and the existing post-construction settlement monitoring is mostly measured on site by personnel and cannot be monitored in real time; if real-time monitoring is needed, complex external circuits are needed for assistance, the service life is short, and the practicability is poor, so that a simple and practical post-construction settlement monitoring device is necessary to be researched and developed.
Disclosure of Invention
The purpose is as follows: in order to overcome the defects in the prior art, the invention provides an automatic monitoring system and method for post-construction settlement of a highway.
The technical scheme is as follows: in order to solve the technical problems, the technical scheme adopted by the invention is as follows:
an automatic monitoring system for post-construction settlement of a highway,
the device comprises a reference column and a settling column, wherein scale marks are marked on the settling column; the settlement columns comprise roadbed slope toe settlement columns, roadbed shoulder settlement columns and roadbed center line settlement columns;
the reference column is arranged at the position of an A point on one side of the roadbed, a groove I with a horizontal opening is arranged on one side of the reference column facing the roadbed slope toe settling column, and a measuring box is arranged in the groove I;
the roadbed slope toe settlement column is arranged at the position of a roadbed slope toe B point, one side, facing the roadbed shoulder settlement column, of the roadbed slope toe settlement column is provided with a groove II with an opening in the inclined upward direction, and a measurement box is arranged in the groove II;
the road shoulder settlement column is arranged at the position of a C point of a road shoulder, one side of the road shoulder settlement column, which faces the roadbed central line settlement column, is provided with a groove III with a horizontal opening, and a measuring box is arranged in the groove III;
the subgrade center line settlement column is arranged at the position of a D point of the subgrade center line.
Further, the position a is a reference point, and is a point where sedimentation is not performed or sedimentation is slow.
Further, the A, B, C, D four points are in the same vertical plane.
Further, the upward inclined direction of the groove II is consistent with the slope direction of the slope toe of the roadbed.
Furthermore, the measuring box comprises a wireless transmission camera, a laser positioning lamp, a high-energy storage battery and a power supply timer, wherein the power supply timer is connected with the wireless transmission camera and the laser positioning lamp in parallel, the high-energy storage battery is connected with the power supply timer in series, and the high-energy storage battery is connected with the wireless transmission camera and the laser positioning lamp in series.
Further, the wireless transmission camera is connected with the cloud server.
An automatic monitoring method for highway post-construction settlement is used for monitoring by the automatic monitoring system for highway post-construction settlement, and comprises the following steps:
setting a reference column at the position of A point on one side of the roadbed, setting a roadbed slope toe settlement column at the position of B point of the roadbed slope toe, setting a curb settlement column at the position of C point of the curb, and setting a roadbed center line settlement column at the position of D point of the roadbed; the reference column, the roadbed slope toe settlement column and the road shoulder settlement column are provided with a measuring box;
setting the switching interval time of the high-energy storage battery by using a power supply timer; after the high-energy storage battery is started, the wireless transmission camera and the laser positioning lamp are started to work, the laser positioning lamp emits laser to the corresponding sedimentation column marked with scale marks, the wireless transmission camera shoots the corresponding sedimentation column and transmits a shooting result to the cloud server, and the cloud server performs calculation processing and data storage on the received image information.
Further, the cloud server processes the received image information as follows:
identifying a numerical value corresponding to a scale mark pointed by the laser from the image;
recording an initial value before settlement monitoring: the scale value of the subgrade toe settling column is B0The scale value of the road shoulder settling column is C0The scale value of the settlement column of the center line of the roadbed is D0；
Measuring and identifying results for the first time: the scale value of the subgrade toe settling column is B1The scale value of the road shoulder settling column is C1The scale value of the settlement column of the center line of the roadbed is D1(ii) a Settlement S of subgrade toe relative to datum pointBA1＝B1-B0Settlement S of road shoulder relative to roadbed slope toeCB1＝C1-C0Settlement S of the center of the subgrade relative to the shoulderDC1＝D1-D0Settlement S of the center of the subgrade relative to a reference pointDA1＝SBA1+SCB1+SDC1；
Measuring and identifying the result at the nth time, wherein n is more than or equal to 2: the scale value of the subgrade toe settling column is BnThe scale value of the road shoulder settling column is CnThe scale value of the settlement column of the center line of the roadbed is Dn(ii) a Settlement S of subgrade toe relative to datum pointBAn＝Bn-B0Settlement S of road shoulder relative to roadbed slope toeCBn＝Cn-C0Settlement S of the center of the subgrade relative to the shoulderDCn＝Dn-D0Settlement S of the center of the subgrade relative to a reference pointDAn＝SBAn+SCBn+SDCn。
Has the advantages that: under the condition that driving is not affected, the scales of light spots, which are shot on the corresponding sedimentation columns marked with scale lines, by the laser positioning lamps in the shooting measuring box are transmitted to the cloud server, and then the server calculates the relative sedimentation results of the measuring points and accumulates the relative sedimentation results to obtain the sedimentation amount of the road surface relative to the set reference point. The monitoring system is easy to install and operate, low in cost required by equipment, convenient to maintain, capable of reducing external circuits by only periodically replacing the battery in the measuring box, long in service life, strong in stability and convenient for long-term real-time monitoring.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, an automatic monitoring system for post-construction settlement of a highway comprises a reference column 1 and a settlement column, wherein scale marks are marked on the settlement column; the settlement columns comprise a roadbed slope toe settlement column 2, a road shoulder settlement column 3 and a roadbed center line settlement column 4;
the reference column 1 is arranged at the position of an A point on one side of the roadbed, a groove I5 with a horizontal opening is arranged on one side of the reference column 1 facing the roadbed slope toe settling column 2, and a measuring box is arranged in the groove I5; the point A is a reference point and is a point which does not subside or subsides slowly.
The roadbed toe sedimentation column 2 is arranged at the position of a roadbed toe B point, one side, facing the roadbed shoulder sedimentation column 3, of the roadbed toe sedimentation column 2 is provided with a groove II 6 with an upward inclined opening, and a measurement box is arranged in the groove II 6; and the upward inclined direction of the groove II 6 is consistent with the slope direction of the slope toe of the roadbed.
The curb sedimentation column 3 sets up in curb C point position, and curb sedimentation column 3 is provided with the level towards open-ended recess III 7 towards one side of roadbed central line sedimentation column 4, installs the measurement case in the recess III 7.
And the subgrade center line settlement column 4 is arranged at the position of a D point of the subgrade center line.
A, B, C, D points of the reference column and the settling column are arranged in the same vertical plane.
The measuring box comprises a wireless transmission camera, a laser positioning lamp, a high-energy storage battery and a power supply timer, wherein the power supply timer is connected with the wireless transmission camera and the laser positioning lamp in parallel, the high-energy storage battery is connected with the power supply timer in series, and the high-energy storage battery is connected with the wireless transmission camera and the laser positioning lamp in series. The wireless transmission camera is connected with the cloud server.
The invention adopts a high-precision laser positioning lamp, and the diameter of a light spot within 20 meters is less than 2 mm. The power supply timer can set the interval time of power supply switching, and can set the shooting time every 6 hours or every 12 hours.
The aforesaid benchmark post 1, road bed toe settling leg 2, curb settling leg 3 and road bed central line settling leg 4 set up the installation back, can start-up system carry out the automatic monitoring that highway post-construction subsided, and concrete process is as follows:
and setting a power supply timer, and starting the high-energy storage battery every 12 hours. After the high-energy storage battery is started, the wireless transmission camera and the laser positioning lamp are started to work, the laser positioning lamp emits laser to the corresponding sedimentation column marked with scale marks, the wireless transmission camera shoots the corresponding sedimentation column and transmits a shooting result to the cloud server, and the cloud server performs calculation processing and data storage on the received image information.
The cloud server processes the received image information as follows:
identifying a numerical value corresponding to a scale mark pointed by the laser from the image;
recording an initial value before settlement monitoring: the scale value of the subgrade toe settling column is B0The scale value of the road shoulder settling column is C0The scale value of the settlement column of the center line of the roadbed is D0；
Measuring and identifying results for the first time: the scale value of the subgrade toe settling column is B1The scale value of the road shoulder settling column is C1The scale value of the settlement column of the center line of the roadbed is D1(ii) a Settlement S of subgrade toe relative to datum pointBA1＝B1-B0Settlement S of road shoulder relative to roadbed slope toeCB1＝C1-C0Settlement S of the center of the subgrade relative to the shoulderDC1＝D1-D0Settlement S of the center of the subgrade relative to a reference pointDA1＝SBA1+SCB1+SDC1；
Measuring and identifying the result at the nth time, wherein n is more than or equal to 2: the scale value of the subgrade toe settling column is BnThe scale value of the road shoulder settling column is CnThe scale value of the settlement column of the center line of the roadbed is Dn(ii) a Settlement S of subgrade toe relative to datum pointBAn＝Bn-B0Settlement S of road shoulder relative to roadbed slope toeCBn＝Cn-C0Settlement S of the center of the subgrade relative to the shoulderDCn＝Dn-D0Settlement S of the center of the subgrade relative to a reference pointDAn＝SBAn+SCBn+SDCn。
The data read and calculated by the server is recorded in tabular form as follows:
Figure BDA0002226149910000041
the above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.

Claims (8)

1. The utility model provides a highway settlement after construction automatic monitoring system which characterized in that:
the device comprises a reference column and a settling column, wherein scale marks are marked on the settling column; the settlement columns comprise roadbed slope toe settlement columns, roadbed shoulder settlement columns and roadbed center line settlement columns;
the reference column is arranged at the position of an A point on one side of the roadbed, a groove I with a horizontal opening is arranged on one side of the reference column facing the roadbed slope toe settling column, and a measuring box is arranged in the groove I;
the roadbed slope toe settlement column is arranged at the position of a roadbed slope toe B point, one side, facing the roadbed shoulder settlement column, of the roadbed slope toe settlement column is provided with a groove II with an opening in the inclined upward direction, and a measurement box is arranged in the groove II;
the road shoulder settlement column is arranged at the position of a C point of a road shoulder, one side of the road shoulder settlement column, which faces the roadbed central line settlement column, is provided with a groove III with a horizontal opening, and a measuring box is arranged in the groove III;
the subgrade center line settlement column is arranged at the position of a D point of the subgrade center line;
the measuring box comprises a wireless transmission camera, a laser positioning lamp, a high-energy storage battery and a power supply timer, wherein the power supply timer is connected with the wireless transmission camera and the laser positioning lamp in parallel, the high-energy storage battery is connected with the power supply timer in series, and the high-energy storage battery is connected with the wireless transmission camera and the laser positioning lamp in series.
2. The automatic monitoring system for post-construction settlement of the expressway according to claim 1, wherein: the position A is a reference point and is a point which does not subside or subsides slowly.
3. The automatic monitoring system for post-construction settlement of the expressway according to claim 1, wherein: the A, B, C, D four points are in the same vertical plane.
4. The automatic monitoring system for post-construction settlement of the expressway according to claim 1, wherein: and the upward inclined direction of the groove II is consistent with the slope direction of the slope toe of the roadbed.
5. The automatic monitoring system for post-construction settlement of the expressway according to claim 1, wherein: the wireless transmission camera is connected with the cloud server.
6. An automatic monitoring method for post-construction settlement of a highway is characterized by comprising the following steps: the method utilizes an automatic monitoring system for the post-construction settlement of the highway to monitor, and specifically comprises the following processes:
setting a reference column at the position of A point on one side of the roadbed, setting a roadbed slope toe settlement column at the position of B point of the roadbed slope toe, setting a curb settlement column at the position of C point of the curb, and setting a roadbed center line settlement column at the position of D point of the roadbed; the reference column, the roadbed slope toe settlement column and the road shoulder settlement column are provided with a measuring box;
setting the switching interval time of the high-energy storage battery by using a power supply timer; after the high-energy storage battery is started, the wireless transmission camera and the laser positioning lamp are started to work, the laser positioning lamp emits laser to irradiate the corresponding sedimentation column marked with the scale marks, the wireless transmission camera shoots the corresponding sedimentation column and transmits a shooting result to the cloud server, and the cloud server performs calculation processing and data storage on the received image information;
the automatic monitoring system for the post-construction settlement of the highway comprises a reference column and a settlement column, wherein scale marks are marked on the settlement column; the settlement columns comprise roadbed slope toe settlement columns, roadbed shoulder settlement columns and roadbed center line settlement columns;
the reference column is arranged at the position of an A point on one side of the roadbed, a groove I with a horizontal opening is arranged on one side of the reference column facing the roadbed slope toe settling column, and a measuring box is arranged in the groove I;
the roadbed slope toe settlement column is arranged at the position of a roadbed slope toe B point, one side, facing the roadbed shoulder settlement column, of the roadbed slope toe settlement column is provided with a groove II with an opening in the inclined upward direction, and a measurement box is arranged in the groove II;
the road shoulder settlement column is arranged at the position of a C point of a road shoulder, one side of the road shoulder settlement column, which faces the roadbed central line settlement column, is provided with a groove III with a horizontal opening, and a measuring box is arranged in the groove III;
the subgrade center line settlement column is arranged at the position of a D point of the subgrade center line.
7. An automatic monitoring method for highway post-construction settlement, which is monitored by the automatic monitoring system for highway post-construction settlement according to any one of claims 1 to 5, and comprises the following steps:
setting a reference column at the position of A point on one side of the roadbed, setting a roadbed slope toe settlement column at the position of B point of the roadbed slope toe, setting a curb settlement column at the position of C point of the curb, and setting a roadbed center line settlement column at the position of D point of the roadbed; the reference column, the roadbed slope toe settlement column and the road shoulder settlement column are provided with a measuring box;
setting the switching interval time of the high-energy storage battery by using a power supply timer; after the high-energy storage battery is started, the wireless transmission camera and the laser positioning lamp are started to work, the laser positioning lamp emits laser to the corresponding sedimentation column marked with scale marks, the wireless transmission camera shoots the corresponding sedimentation column and transmits a shooting result to the cloud server, and the cloud server performs calculation processing and data storage on the received image information.
8. The method for automatically monitoring the post-construction settlement of the expressway according to claim 7, wherein: the cloud server processes the received image information as follows:
identifying a numerical value corresponding to a scale mark pointed by the laser from the image;
recording an initial value before settlement monitoring: the scale value of the subgrade toe settling column is B0The scale value of the road shoulder settling column is C0The scale value of the settlement column of the center line of the roadbed is D0；
Measuring and identifying results for the first time: the scale value of the subgrade toe settling column is B1The scale value of the road shoulder settling column is C1The scale value of the settlement column of the center line of the roadbed is D1(ii) a Settlement S of subgrade toe relative to datum pointBA1=B1-B0Settlement S of road shoulder relative to roadbed slope toeCB1=C1-C0Settlement S of the center of the subgrade relative to the shoulderDC1=D1-D0Settlement S of the center of the subgrade relative to a reference pointDA1=SBA1+SCB1+SDC1；
Measuring and identifying the result at the nth time, wherein n is more than or equal to 2: the scale value of the subgrade toe settling column is BnThe scale value of the road shoulder settling column is CnThe scale value of the settlement column of the center line of the roadbed is Dn(ii) a Settlement S of subgrade toe relative to datum pointBAn=Bn-B0Settlement S of road shoulder relative to roadbed slope toeCBn=Cn-C0Settlement S of the center of the subgrade relative to the shoulderDCn=Dn-D0Settlement S of the center of the subgrade relative to a reference pointDAn=SBAn+SCBn+SDCn。
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CN112304235B (en) * 2020-11-06 2022-05-31 武汉大学 System and method for monitoring underwater settlement deformation in tunneling process
CN113155086B (en) * 2021-02-26 2022-11-25 广西北投交通养护科技集团有限公司 Device and method for monitoring section settlement of filling subgrade in highway reconstruction and extension
CN113091702A (en) * 2021-05-16 2021-07-09 河南和兴工程建设有限公司 Road and bridge settlement difference real-time monitoring system and method thereof
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