CN113218343B - Roadbed deformation monitoring device under existing viaduct - Google Patents
Roadbed deformation monitoring device under existing viaduct Download PDFInfo
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- CN113218343B CN113218343B CN202110494068.XA CN202110494068A CN113218343B CN 113218343 B CN113218343 B CN 113218343B CN 202110494068 A CN202110494068 A CN 202110494068A CN 113218343 B CN113218343 B CN 113218343B
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- outer sleeve
- connecting rod
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B13/00—Measuring arrangements characterised by the use of fluids
- G01B13/24—Measuring arrangements characterised by the use of fluids for measuring the deformation in a solid
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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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
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- Analytical Chemistry (AREA)
- Soil Sciences (AREA)
- General Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention discloses a roadbed deformation monitoring device under an existing viaduct, which belongs to the technical field of municipal construction and comprises deformation monitoring components respectively arranged at four corners and the middle part of a roadbed, wherein each deformation monitoring component comprises a connecting base plate, an inner rod and an outer sleeve, the connecting base plate is fixed with the roadbed, the inner rod is fixedly connected to the connecting base plate, the outer sleeve is arranged on the outer side of the inner rod, the lower end of the outer sleeve is fixed with a tamping layer at the ground bottom, the outer sleeve is in sealing fit with the inner rod, a displacement monitor is arranged in the outer sleeve and connected to a computer, and the displacement monitor is used for monitoring deformation conditions of the four corners and the middle part of the roadbed. The device can observe the subgrade collapse under the existing viaduct and timely take necessary measures to treat according to the collapse condition, thereby preventing the further harm.
Description
Technical Field
The invention belongs to the technical field of municipal construction, and particularly relates to a roadbed deformation monitoring device under an existing viaduct.
Background
In view of the development trend and the major technical requirements at home and abroad of the urban three-dimensional traffic corridor, the scale and the complexity of the engineering are continuously expanded, the construction risk and the operation and maintenance problems are increasingly prominent, and the requirement on the related complete technology is very urgent. The patent takes tunnel engineering of a large road of an Iwu mall as background, and for a three-dimensional traffic corridor, an underground passage, a ground road and a viaduct bridge influence each other. On one hand, excavation of underground channel foundation pits causes problems of roadbed backfill compaction, new and old roadbed-road surface splicing and the like of roads above the channels; on the other hand, the municipal road is additionally arranged under the viaduct, and the newly-built ground road is easy to generate obvious unevenness at the existing bridge pile foundation. Therefore, it is urgently needed to provide a device for monitoring deformation of a roadbed under an existing viaduct, which can detect collapse of the roadbed under the viaduct and timely take necessary measures to treat the collapse according to the collapse condition, so that further harm is prevented.
Disclosure of Invention
In view of the above, the present invention provides a device for monitoring deformation of a roadbed under an existing viaduct, which can observe collapse of the roadbed under the existing viaduct and take necessary measures to deal with the collapse in time according to the collapse condition, thereby preventing further damage.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention discloses a roadbed deformation monitoring device under an existing viaduct, which comprises deformation monitoring components arranged at four corners and the middle part of a roadbed respectively, wherein each deformation monitoring component comprises a connecting base plate, an inner rod and an outer sleeve, the connecting base plate is fixed with the roadbed, the inner rod is fixedly connected to the connecting base plate, the outer sleeve is arranged on the outer side of the inner rod, the lower end of the outer sleeve is fixed with a tamping layer at the ground bottom, the outer sleeve is in sealing fit with the inner rod, a displacement monitor is arranged in the outer sleeve and connected to a computer, and the displacement monitor is used for monitoring deformation conditions of the four corners and the middle part of the roadbed.
Further, the outer sleeve holds the dress and has liquid, the displacement monitor includes the level detection meter, interior pole moves down for the outer sleeve and stretches into in the liquid of outer sleeve, interior pole arouses the change of the interior liquid level of outer sleeve.
Further, the inner rod comprises an upper connecting rod and a lower connecting rod, one end of the upper connecting rod is fixedly connected with the connecting base plate, the other end of the upper connecting rod is hinged with one end of the lower connecting rod through a hinge joint, and the other end of the lower connecting rod extends into the position below the liquid level of the outer sleeve.
Furthermore, the outside cladding of lower connecting rod has a plurality of volumes piece, the volume piece is arranged along the length direction of lower connecting rod evenly at interval.
Further, a support used for installing the liquid level detection meter is fixed on the inner wall of the outer sleeve.
Further, a sleeve extends upwards from the outer sleeve to the ground, and a channel for accommodating a line of the liquid level detection meter is formed in the sleeve.
Furthermore, a sealing cover is arranged at an opening of the outer sleeve and is respectively connected with the sleeve and the lower connecting rod in a sealing manner.
Further, the hinge joint includes head rod and second connecting rod, the one end of head rod seted up with the external screw thread that the upper connecting rod links to each other, the other end of head rod outwards expends has a plurality of arc claws that are the melon form, the one end of second connecting rod is connected with a spheroid, a plurality of weft recesses have been seted up on spheroidal surface, and each arc claw is corresponding with a weft recess, the gomphosis has a ball between arc claw and the weft recess.
Furthermore, the lower extreme of outer sleeve is provided with stabilising arrangement, stabilising arrangement is used for keeping the outer sleeve vertical, stabilising arrangement includes a plurality of arc envelope boards of circumference equipartition, and the lower extreme of each arc envelope board is connected with a extension board, the extension board with the arc envelope board is perpendicular.
The invention has the beneficial effects that:
according to the device for monitoring the deformation of the roadbed under the existing viaduct, the displacement monitor is arranged in the outer sleeve and connected to the computer, the displacement monitor is used for monitoring the deformation conditions of the four corners and the middle part of the roadbed and is transmitted to the computer for analysis, the computer imports data to generate an area depression map according to the deformation conditions of the four corners and the middle part of the roadbed, so that the position of a deformation area is preliminarily judged, the area monitoring range of roadbed deformation can be improved, necessary measures are timely taken for treatment according to the collapse condition, and further harm is prevented.
Additional advantages, objects, and features of the invention will be set forth in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
In order to make the object, technical scheme and beneficial effect of the invention more clear, the invention provides the following drawings for explanation:
FIG. 1 is a schematic view of the apparatus of the present invention in its installed and operating configuration;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is an enlarged view of FIG. 1 at A;
FIG. 4 is a schematic view of the hinge joint;
FIG. 5 is a schematic view of the structure of the stabilization device.
The drawings are numbered as follows: the device comprises a roadbed 1, a deformation monitoring assembly 2, a connecting base plate 21, an inner rod 22, an upper connecting rod 221, a lower connecting rod 222, a hinge joint 223, a first connecting rod 2231, a second connecting rod 2232, an arc-shaped supporting claw 2233, a sphere 2234, a ball 2235, an outer sleeve 23, a liquid level detector 24, a computer 25, a volume block 26, a support 27, a sleeve 28, a sealing cover 29, a tamping layer 3, a stabilizing device 4, an arc-shaped envelope plate 41 and a support plate 42.
Detailed Description
As shown in fig. 1 to 5, the device for monitoring deformation of a roadbed under an existing viaduct comprises deformation monitoring components 2 respectively arranged at four corners and a middle part of the roadbed 1, wherein each deformation monitoring component comprises a connecting base plate 21, an inner rod 22 and an outer sleeve 23, the connecting base plate 21 is of a steel plate structure with the size of 300mm multiplied by 300mm, the connecting base plate 21 is fixed with the roadbed 1 through screws, the inner rod 22 is fixedly connected to the connecting base plate 21, the outer sleeve 23 is arranged on the outer side of the inner rod 22, the lower end of the outer sleeve 23 is fixed with a tamping layer 3 at the bottom of the ground, the outer sleeve 23 is in sealing fit with the inner rod 22, a displacement monitor is arranged in the outer sleeve 23 and connected to a computer 25, and the displacement monitor is used for monitoring deformation conditions of the four corners and the middle part of the roadbed 1.
According to the three-dimensional traffic roadbed deformation monitoring device, the outer sleeve 23 is internally provided with the displacement monitor which is connected to the computer 25, the displacement monitor is used for monitoring the deformation conditions of the four corners and the middle part of the roadbed 1 and is transmitted to the computer 25 for analysis, the computer 25 imports data to generate an area depression map according to the deformation conditions of the four corners and the middle part of the roadbed 1, so that the position of a deformation area is preliminarily judged, the area monitoring range of roadbed deformation can be improved, necessary measures are taken in time for treatment according to the collapse condition, and further harm is prevented.
In this embodiment, the outer sleeve 23 contains liquid, the liquid may be hydraulic oil, the cylinder is not filled with hydraulic oil, so as to avoid using volatile liquid, and the sealing property of the hydraulic oil in the outer sleeve 23 is ensured. Specifically, the displacement monitor comprises a liquid level detection meter 24, the inner rod 22 moves downwards relative to the outer sleeve 23 and extends into liquid in the outer sleeve 23, the inner rod 22 causes the liquid level of the liquid in the outer sleeve 23 to change, the change of the liquid level is monitored by the liquid level detection meter 24, and the displacement value of the inner rod 22 can be converted by calculation of the computer 25.
In this embodiment, the inner rod 22 includes an upper connecting rod 221 and a lower connecting rod 222, one end of the upper connecting rod 221 is fixedly connected to the connecting base plate 21, the other end of the upper connecting rod 221 is hinged to one end of the lower connecting rod 222 through a hinge 223, and the other end of the lower connecting rod 222 extends into the liquid level of the outer sleeve 23, and by adopting the hinged manner, the lower connecting rod 222 can be guided through the outer sleeve 23, and when the unilateral sedimentation deformation is large, the acting force of the upper connecting rod 221 on the lower connecting rod 222 can also be along the vertical direction, so as to prevent the deflection of the lower connecting rod 222, so that the monitored data is more accurate.
In this embodiment, the outer side of the lower connecting rod 222 is coated with a plurality of volume blocks 26, the volume blocks 26 are uniformly arranged along the length direction of the lower connecting rod 222 at intervals, and by arranging the volume blocks 26, the volume of the inner rod 22 immersed in liquid can be increased in the descending process of the lower connecting rod 222, so that the change of the liquid is more obvious, and the spatial arrangement of the inner rod 22 is saved while the measurement can be more conveniently performed.
In this embodiment, a support 27 for mounting the liquid level detecting meter 24 is fixed on the inner wall of the outer sleeve 23, and is used for fixing the liquid level detecting meter 24, so as to prevent the liquid level detecting meter from falling off.
In this embodiment, a sleeve 28 extends upward from the support 27, the sleeve 28 extends upward from the outer sleeve 23 to the ground, and a passage for accommodating the line of the liquid level detecting meter 24 is formed in the sleeve 28, so that the line structure can be protected by the sleeve 28, and the sealing arrangement between the sleeve 28 and the outer sleeve 23 can be more concise. A cover 29 is arranged at the opening of the outer sleeve 23, and the cover 29 is respectively connected with the sleeve 28 and the lower connecting rod 222 in a sealing way.
In this embodiment, the hinge joint 223 includes a first connecting rod 2231 and a second connecting rod 2232, an external thread connected to the upper connecting rod 221 is opened at one end of the first connecting rod 2231, a plurality of arc-shaped supporting claws 2233 are outwardly extended from the other end of the first connecting rod 2231, one end of the second connecting rod 2232 is connected to a sphere 2234, a plurality of weft grooves are opened on the surface of the sphere 2234, each arc-shaped supporting claw 2233 corresponds to one weft groove, and a ball 2235 is inserted between the arc-shaped supporting claw 2233 and the weft grooves.
In this embodiment, the lower end of the outer sleeve 23 is provided with the fixing device 4, the fixing device 4 is used for keeping the outer sleeve 23 vertical, the fixing device 4 includes a plurality of arc-shaped enveloping plates 41 uniformly distributed in the circumferential direction, the lower end of each arc-shaped enveloping plate 41 is connected with a supporting plate 42, the supporting plate 42 is provided with a fixed connecting hole, the supporting plate 42 is perpendicular to the arc-shaped enveloping plates 41, before installation, the positions of the arc-shaped enveloping plates 41 can be adjusted in the radial direction, so that the arc-shaped enveloping plates can be more closely attached to the outer wall of the bottom of the outer sleeve 23, the radian of the arc-shaped enveloping plates 41 is matched with that of the outer sleeve 23, a certain fixing effect can be achieved, and the change of the verticality of the outer sleeve 23 is prevented.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (6)
1. The utility model provides a road bed deformation monitoring devices under existing viaduct which characterized in that: the device comprises deformation monitoring components which are respectively arranged at four corners and the middle part of a roadbed, wherein each deformation monitoring component comprises a connecting base plate, an inner rod and an outer sleeve, the connecting base plate is fixed with the roadbed, the inner rod is fixedly connected to the connecting base plate, the outer sleeve is arranged at the outer side of the inner rod, the lower end of the outer sleeve is fixed with a tamping layer at the ground bottom, the outer sleeve and the inner rod are in sealing fit, a displacement monitor is arranged in the outer sleeve and is connected to a computer, the displacement monitor is used for monitoring the deformation conditions of the four corners and the middle part of the roadbed, liquid is contained in the outer sleeve, the displacement monitor comprises a liquid level detector, the inner rod moves downwards relative to the outer sleeve and extends into the liquid in the outer sleeve, the inner rod causes the liquid level in the outer sleeve to change, and the inner rod comprises an upper connecting rod and a lower connecting rod, the one end of going up the connecting rod with connection substrate fixed connection, the other end of going up the connecting rod with the one end of lower connecting rod is articulated through a hinge, the other end of lower connecting rod is deepened under the liquid level of outer sleeve, the hinge includes head rod and second connecting rod, the one end of head rod set up with the external screw thread that goes up the connecting rod and link to each other, the other end of head rod outwards is paid out and is had a plurality of arc claws that are the melon form, the one end of second connecting rod is connected with a spheroid, a plurality of weft recesses have been seted up on spheroidal surface, and each arc claw is corresponding with a weft recess, the gomphosis has a ball between arc claw and the weft recess.
2. The device for monitoring deformation of the roadbed under the existing viaduct as claimed in claim 1, wherein: the outside cladding of lower connecting rod has a plurality of volumes piece, the volume piece is evenly arranged along the length direction of lower connecting rod interval.
3. The device for monitoring deformation of the roadbed under the existing viaduct of claim 2, wherein: and a support for mounting the liquid level detection meter is fixed on the inner wall of the outer sleeve.
4. The device for monitoring deformation of the roadbed under the existing viaduct of claim 3, wherein: a sleeve extends upwards from the outer sleeve to the ground, and a channel for accommodating a line of the liquid level detection meter is formed in the sleeve.
5. The device for monitoring deformation of the roadbed under the existing viaduct of claim 4, wherein: and a sealing cover is arranged at an opening of the outer sleeve and is respectively in sealing connection with the sleeve and the lower connecting rod.
6. The device for monitoring deformation of the roadbed under the existing viaduct as claimed in claim 1, wherein: the fixing device comprises a plurality of arc-shaped envelope plates which are uniformly distributed in the circumferential direction, the lower end of each arc-shaped envelope plate is connected with a support plate, and the support plates are perpendicular to the arc-shaped envelope plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110494068.XA CN113218343B (en) | 2021-05-07 | 2021-05-07 | Roadbed deformation monitoring device under existing viaduct |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110494068.XA CN113218343B (en) | 2021-05-07 | 2021-05-07 | Roadbed deformation monitoring device under existing viaduct |
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| CN113218343A CN113218343A (en) | 2021-08-06 |
| CN113218343B true CN113218343B (en) | 2022-06-10 |
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|---|---|---|---|---|
| US5046366A (en) * | 1989-03-09 | 1991-09-10 | Csir | Apparatus for measuring deflection or deformation in pavement structures |
| CN102519426A (en) * | 2011-11-28 | 2012-06-27 | 长沙理工大学 | Buoy displacement meter type roadbed differential settlement tester |
| CN107036580A (en) * | 2017-04-15 | 2017-08-11 | 中铁二院工程集团有限责任公司 | A kind of simple subgrade settlement automated watch-keeping facility and monitoring method |
| CN206601124U (en) * | 2017-01-11 | 2017-10-31 | 韩非 | A kind of monitoring device of subgrade settlement |
| CN207923115U (en) * | 2018-03-22 | 2018-09-28 | 湖南致力工程科技有限公司 | A kind of subgrade settlement monitoring device |
| CN110485223A (en) * | 2019-08-22 | 2019-11-22 | 朔黄铁路发展有限责任公司 | Ballast track subgrade settlement monitoring device and Ballast track roadbed settlement monitoring method |
| CN210773970U (en) * | 2019-10-23 | 2020-06-16 | 山西长娥北斗导航数据服务有限公司 | Bridge monitoring devices based on big dipper satellite |
| CN111560939A (en) * | 2020-06-17 | 2020-08-21 | 天津动网信息科技有限公司 | Track and roadbed deviation monitoring device and method |
| CN111735426A (en) * | 2020-05-29 | 2020-10-02 | 黑龙江建筑职业技术学院 | Road and bridge settlement deformation monitoring system and monitoring method thereof |
| CN112254624A (en) * | 2020-09-04 | 2021-01-22 | 中国铁路设计集团有限公司 | Simple measuring method for deformation of high-speed railway roadbed |
-
2021
- 2021-05-07 CN CN202110494068.XA patent/CN113218343B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5046366A (en) * | 1989-03-09 | 1991-09-10 | Csir | Apparatus for measuring deflection or deformation in pavement structures |
| CN102519426A (en) * | 2011-11-28 | 2012-06-27 | 长沙理工大学 | Buoy displacement meter type roadbed differential settlement tester |
| CN206601124U (en) * | 2017-01-11 | 2017-10-31 | 韩非 | A kind of monitoring device of subgrade settlement |
| CN107036580A (en) * | 2017-04-15 | 2017-08-11 | 中铁二院工程集团有限责任公司 | A kind of simple subgrade settlement automated watch-keeping facility and monitoring method |
| CN207923115U (en) * | 2018-03-22 | 2018-09-28 | 湖南致力工程科技有限公司 | A kind of subgrade settlement monitoring device |
| CN110485223A (en) * | 2019-08-22 | 2019-11-22 | 朔黄铁路发展有限责任公司 | Ballast track subgrade settlement monitoring device and Ballast track roadbed settlement monitoring method |
| CN210773970U (en) * | 2019-10-23 | 2020-06-16 | 山西长娥北斗导航数据服务有限公司 | Bridge monitoring devices based on big dipper satellite |
| CN111735426A (en) * | 2020-05-29 | 2020-10-02 | 黑龙江建筑职业技术学院 | Road and bridge settlement deformation monitoring system and monitoring method thereof |
| CN111560939A (en) * | 2020-06-17 | 2020-08-21 | 天津动网信息科技有限公司 | Track and roadbed deviation monitoring device and method |
| CN112254624A (en) * | 2020-09-04 | 2021-01-22 | 中国铁路设计集团有限公司 | Simple measuring method for deformation of high-speed railway roadbed |
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