CN109373924A - Tunnel vault based on shield duct piece deforms automatic monitoring system - Google Patents
Tunnel vault based on shield duct piece deforms automatic monitoring system Download PDFInfo
- Publication number
- CN109373924A CN109373924A CN201811466291.8A CN201811466291A CN109373924A CN 109373924 A CN109373924 A CN 109373924A CN 201811466291 A CN201811466291 A CN 201811466291A CN 109373924 A CN109373924 A CN 109373924A
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- China
- Prior art keywords
- shield
- displacement
- segment
- tunnel
- duct piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
Abstract
The present invention relates to a kind of, and the tunnel vault based on shield duct piece deforms automatic monitoring system, belongs to tunneling and underground engineering technical field.Shield tunnel, control centre and the prior-warning device being formed by connecting including several shield duct pieces；The displacement sensing optical cable after multiple shield duct pieces inside and outside, side wall, splicing at shield segment joint and at top plate is mounted on to be connected with control centre, collected shift value is compared in control centre, and passes to prior-warning device according to the actual situation and issue alarm signal.Do not influenced by tunnel internal construction when effect and advantage of the invention is high-efficient, easy to operate, more existing shield tunnel safety monitoring technology stronger to arch deformation specific aim, monitoring, can long-term automatic monitoring, data it is accurate it is complete, precision is high, it is safe and reliable to reduce manpower, monitoring mode.
Description
Technical field
The invention belongs to tunneling and underground engineering technical fields, more particularly to a kind of tunnel vault based on shield duct piece
Deform automatic monitoring system.
Background technique
In recent years, it is carried forward vigorously with the rapid development of our country's economy with urban construction, China's Forecast of Urban Traffic Flow is big
Width rises, and traffic jam, urban environment worsening become the generally existing and urgently to be resolved major issue in each big city, city
Subway rapidly becomes the head that many big cities solve traffic problems as a kind of traffic form safely, quickly, efficiently, environmentally friendly
It selects.With greatly developing for China's city underground, shield method as it is safe and environment-friendly, quickly build means, in subway tunnel
Road is widely applied in building.
However shield method will cause the excavation face soil body and be disturbed and keep the soil body mobile, cause in front of shield in construction
Ground settlement or protuberance destroy soil structures.Either settling or swelling all can generate unfavorable shadow to the safety of constructing tunnel
It rings.The instant displacement that shield-tunneling construction generates can be measured and be controlled at that time, and later long-term stratum deformation of constructing is
One complexity, uncontrollable system engineering.
With the rapid development of Fibre Optical Communication Technology, the application of optical fiber sensing monitoring is also further extensive.Currently, Fibre Optical Sensor
The research of device improves and on the basis of using existing fiber sensing technology abundant, towards multifunction, miniaturization, integrate
Change, intelligence, networking, systematization direction develop.It due to the bandwidth of optical fiber, can be used for remote measuring and controlling, be a kind of good
Sensing element；Simultaneously because optical fiber sheet is thin compared with plain conductor, light-weight as nonmetallic, electromagnetism interference, diameter, capacity is special
Greatly, bending radius is small, radiation resistance, is especially useful for using under harmful environment；With Noninvasive, high sensitive.Using
Distributed sensing fiber technology, being capable of the solid comprehensive monitoring to section of jurisdiction crown displacement.
Summary of the invention
In order to solve above-mentioned technical problem, the present invention provide a kind of tunnel vault deformation based on shield duct piece from
Dynamicization monitoring system can be effectively solved shield tunnel safety monitoring problem mainly for developing one kind, especially to tunnel
Crown displacement carries out real-time monitoring problem,
The technical solution adopted by the invention is as follows:
A kind of tunnel vault based on shield duct piece of the present invention deforms automatic monitoring system, including the connection of several shield duct pieces
Made of shield tunnel, control centre and prior-warning device；Shield duct piece radially inside, the side wall arcuate directions of shield duct piece radial direction
Skeleton is set between adjacent shield duct piece, skeleton is the reticular structure that transverse steel and longitudinal reinforcement are mutually perpendicular to composition,
It plays a supportive role, planform is identical as shield duct piece shape, arc-shaped；It is S-type on the skeleton of shield duct piece radially inside
Lay section of jurisdiction displacement sensing optical cable A, S-type laying section of jurisdiction displacement sensing optical cable on the skeleton of the arcuate directions of shield duct piece side wall
B；The position between adjacent shield duct piece and S-type along the skeleton of the arcuate directions of side wall is arranged in top plate displacement optical cable
It lays；Reserved channel of the cable exit as Segment displacement sensing optic cable A is arranged in shield duct piece bottom；Axially prolong along shield tunnel
It stretches and lays section of jurisdiction displacement sensing optical cable C on the top plate of shield tunnel vault and in shield duct piece seam crossing setting Segment displacement biography
Sensing optical cable D；
Segment displacement sensing optic cable A, Segment displacement sensing optic cable B, Segment displacement sensing optic cable C, Segment displacement sensing optic cable D and
The other end of top plate displacement optical cable is directly connected with control centre；Control centre will be by Segment displacement sensing optic cable A, section of jurisdiction
The shield tunnel change in displacement of displacement sensing optical cable B, Segment displacement sensing optic cable and seam crossing Segment displacement sensing optic cable D transmitting
Data are analyzed and processed to control centre, and are compared according to the empirical data of setting, judge whether there is danger, then
Prior-warning device, which is passed to, by communications optical cable carries out early warning.
Further, the outside of shield tunnel includes the bottom plate of the arc of shield tunnel lower semicircular shape, is located at shield tunnel
The top plate of road vault and in shield tunnel two sides be in symmetrical two side plates, be bolted between three agree with into it is complete
Circle.
Further, the Segment displacement delta data includes: described in sensing with the Segment displacement sensing optic cable C
Crown displacement situation of change data, the seam crossing change in displacement situation sensed with described two side plates displacement optical cable segment D
Data, the top plate change in displacement data sensed with top plate displacement optical cable, Segment displacement sensing optic cable A experiences described
The tunnel side plate change in displacement situation data that side plate interior sides displacement monitoring, Segment displacement sensing optic cable B are sensed.
When shield tunnel is somewhither locally deformed with, section of jurisdiction vault can be detected with seam crossing displacement sensing optical cable
The approximate location of local deformation, be located remotely from be laid in the top plate of shield tunnel diameter on skeleton top plate displacement optical cable segment,
Generation part can be determined with two side plates displacement optical cable segment on two between the bottom plate and top plate side plate inner frame
The specific location of destruction, i.e., specifically shield tunnel region corresponding to which block shield duct piece is destroyed.
Beneficial effects of the present invention:
Effect and advantage of the invention is that high-efficient, easy to operate, more existing shield tunnel safety monitoring technology becomes vault
Shape specific aim is stronger, monitoring when do not influenced by tunnel internal construction, can long-term automatic monitoring, the accurate complete, precision of data
High, reduction manpower, monitoring mode are safe and reliable.
Detailed description of the invention
Fig. 1 is that the present invention is based on the tunnel vaults of shield duct piece to deform automatic monitoring system structural schematic diagram;
Fig. 2 is the structural schematic diagram of the corresponding section of jurisdiction of each ring of shield tunnel；
Fig. 3 is shield tunnel displacement sensing optical cable layout diagram.
In figure, 1 is shield duct piece；2 be skeleton；3 be Segment displacement sensing optic cable A；4 be Segment displacement sensing optic cable B；5
For cable exit；6 be control centre；7 be communications optical cable；8 be prior-warning device；9 be bottom plate；10 be top plate；11 be side plate；12 are
Top plate is displaced optical cable；13 be Segment displacement sensing optic cable C；14 be Segment displacement sensing optic cable D.
Specific embodiment
The present invention will be described in detail with reference to the accompanying drawings and examples:
Embodiment: as shown in Figure 1-3, a kind of tunnel vault based on shield duct piece of the present invention deforms automatic monitoring system, packet
Include shield tunnel, control centre 6 and prior-warning device 8 that several shield duct pieces 1 are formed by connecting；Shield duct piece 1 radially inside, shield
Skeleton 2 is set between the radial side wall arcuate directions in structure section of jurisdiction 1 and adjacent shield duct piece 1, and skeleton 2 is transverse steel and longitudinal direction
Reinforcing bar is mutually perpendicular to the reticular structure of composition, plays a supportive role, planform is identical as 1 shape of shield duct piece, arc-shaped；Shield
S-type laying section of jurisdiction displacement sensing optical cable A3 on the skeleton 2 of structure section of jurisdiction 1 radially inside, the arcuate directions of 1 side wall of shield duct piece
S-type laying section of jurisdiction displacement sensing optical cable B4 on skeleton 2 lays section of jurisdiction displacement sensing optical cable A3 and Segment displacement sensing optic cable B4
When, it should be straightened, give certain prestressing force, be then fixed on skeleton 2 with band；Top plate is displaced optical cable 14 and is arranged adjacent
Shield duct piece 1 between position and the S-type laying along the skeleton of the arcuate directions of side wall 2；The setting of 1 bottom of shield duct piece
Flexible seals can be used to it when without detection in reserved channel of the cable exit 5 as Segment displacement sensing optic cable A3
Carry out blocking closing；Along the axially extending section of jurisdiction displacement sensing optical cable C12 that lays of shield tunnel in the top plate 10 of shield tunnel vault
Above and in 1 seam crossing of shield duct piece Segment displacement sensing optic cable D13 is set；
Segment displacement sensing optic cable A3, Segment displacement sensing optic cable B4, Segment displacement sensing optic cable C12, Segment displacement sense light
The other end of cable D13 and top plate displacement optical cable 14 is directly connected with control centre 6；Control centre 6 will be passed by Segment displacement
Sensing optical cable A3, Segment displacement sensing optic cable B4, crown displacement sensing optic cable 12 and seam crossing Segment displacement sensing optic cable D13 transmitting
Shield tunnel change in displacement data be analyzed and processed to control centre 6, and be compared, sentenced according to the empirical data of setting
Disconnected then to pass to the progress early warning of prior-warning device 8 by communications optical cable 7 with the presence or absence of danger, danger here refers mainly to be displaced
In the case where may collapsing greatly, so needing to carry out early warning to it.
The outside of shield tunnel includes the bottom plate 9 of the arc of shield tunnel lower semicircular shape, positioned at shield tunnel vault
Top plate 10 and in shield tunnel two sides be in symmetrical two side plates 11, is bolted between three and agrees with into complete circle
Shape.
The Segment displacement delta data includes: the vault position sensed with the Segment displacement sensing optic cable C12
Situation of change data are moved, the seam crossing change in displacement situation data sensed with described two side plates displacement optical cable segment D13,
The top plate change in displacement data sensed with top plate displacement optical cable 14, the side that Segment displacement sensing optic cable A3 is experienced
The tunnel side plate change in displacement situation data that displacement monitoring, Segment displacement sensing optic cable B4 are sensed on the inside of plate.
When shield tunnel is somewhither locally deformed with, section of jurisdiction vault can be monitored with seam crossing displacement sensing optical cable 6
The approximate location of local deformation out is laid in the section of jurisdiction on skeleton 2 in the top plate 10 for being located remotely from shield tunnel diameter in Fig. 2
Two side plate sections of jurisdiction on displacement sensing optical cable C12 and two between bottom plate 9 and top plate 10 side plate, 11 inner frame 2
Displacement sensing optical cable B4 can determine the specific location that local failure occurs, i.e., shield corresponding to which specific block shield duct piece 1
Structure tunnel area destroys.
In addition, in the present embodiment, control centre 6 is first obtained based on Tunnel Displacement information in order to reduce processing workload
Tunnel Displacement situation of change data, in the case that Tunnel Displacement situation of change exceeds change in displacement setting value at judgement, into one
It walks the tunnel location information according to corresponding to Tunnel Displacement situation of change data and determines the multiple shield duct pieces being located at the position
1, it is then based on corresponding Segment displacement information and obtains these 1 change in displacement situation data of shield duct piece, then control centre 6 is again
Shield duct piece 1 is judged one by one, it is final to determine the corresponding shield duct piece 1 in damaged area and its clear position.
Setting in this way, Segment displacement sensing optic cable can monitor the shield in shield tunnel construction and operational process
Section of jurisdiction itself arch deformation.
Claims (3)
1. a kind of tunnel vault based on shield duct piece deforms automatic monitoring system, it is characterised in that: including several shields
Shield tunnel, control centre (6) and the prior-warning device (8) that section of jurisdiction (1) is formed by connecting；Shield duct piece (1) radially inside, shield pipe
Between the side wall arcuate directions and adjacent shield duct piece (1) of piece (1) radial direction be arranged skeleton (2), skeleton (2) be transverse steel and
Longitudinal reinforcement is mutually perpendicular to the reticular structure of composition, plays a supportive role, planform is identical as shield duct piece (1) shape, is in
Arc；S-type laying section of jurisdiction displacement sensing optical cable A(3 on the skeleton (2) of shield duct piece (1) radially inside), shield duct piece (1)
S-type laying section of jurisdiction displacement sensing optical cable B(4 on the skeleton (2) of the arcuate directions of side wall)；Top plate is displaced optical cable (14) setting and exists
S-type laying on the skeleton (2) of position between adjacent shield duct piece (1) and the arcuate directions along side wall；Shield duct piece
(1) bottom setting cable exit (5) as Segment displacement sensing optic cable A(3) reserved channel；Along the axially extending cloth of shield tunnel
If Segment displacement sensing optic cable C(12) it is managed on the top plate (10) of shield tunnel vault and in the setting of shield duct piece (1) seam crossing
Piece displacement sensing optical cable D(13)；
Segment displacement sensing optic cable A(3), Segment displacement sensing optic cable B(4), Segment displacement sensing optic cable C(12), Segment displacement
Sensing optic cable D(13) and top plate displacement optical cable (14) the other end be directly connected with control centre (6)；Control centre (6)
Will be by Segment displacement sensing optic cable A(3), Segment displacement sensing optic cable B(4), crown displacement sensing optic cable (12), top plate be displaced light
Cable (14) and seam crossing Segment displacement sensing optic cable D(13) transmitting shield tunnel change in displacement data to control centre (6) into
Row analysis processing, and be compared according to the empirical data of setting, danger is judged whether there is, then passes through communications optical cable (7)
It passes to prior-warning device (8) and carries out early warning.
2. the tunnel vault according to claim 1 based on shield duct piece deforms automatic monitoring system, it is characterised in that:
The outside of shield tunnel includes the bottom plate (9) of the arc of shield tunnel lower semicircular shape, positioned at the top plate of shield tunnel vault
(10) what it is and in shield tunnel two sides is in symmetrical two side plates (11), is bolted between three and agrees with into complete circle
Shape.
3. the tunnel vault according to claim 1 based on shield duct piece deforms automatic monitoring system, feature exists
In: the Segment displacement delta data includes: changing with the top plate displacement optical cable segment C(12) crown displacement sensed
Situation data, the seam crossing change in displacement situation data sensed with described two side plates displacement optical cable segment D(13), with institute
State top plate displacement optical cable (14) top plate change in displacement data for sensing, Segment displacement sensing optic cable A(3) side experienced
Displacement monitoring, Segment displacement sensing optic cable B(4 on the inside of plate) the tunnel side plate change in displacement situation data that sense.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811466291.8A CN109373924A (en) | 2018-12-03 | 2018-12-03 | Tunnel vault based on shield duct piece deforms automatic monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811466291.8A CN109373924A (en) | 2018-12-03 | 2018-12-03 | Tunnel vault based on shield duct piece deforms automatic monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109373924A true CN109373924A (en) | 2019-02-22 |
Family
ID=65375154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811466291.8A Withdrawn CN109373924A (en) | 2018-12-03 | 2018-12-03 | Tunnel vault based on shield duct piece deforms automatic monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109373924A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159300A (en) * | 2019-04-29 | 2019-08-23 | 同济大学 | A kind of shield tunnel repairing and reinforcement platform and reinforcement means |
| CN110242351A (en) * | 2019-05-30 | 2019-09-17 | 上海工程技术大学 | A kind of tunnel structure rotational angle of joint displacement sensing device |
| CN110779482A (en) * | 2019-08-19 | 2020-02-11 | 杭州鲁尔物联科技有限公司 | Automatic monitoring system and method for horizontal dislocation and deformation of shield tunnel segment |
| CN111779504A (en) * | 2020-07-02 | 2020-10-16 | 杭州鲁尔物联科技有限公司 | Prefabricated shield segment and health monitoring system and integration method thereof |
| CN112902816A (en) * | 2021-02-05 | 2021-06-04 | 深圳大学 | Tunnel segment dislocation monitoring system and method |
| CN116929299A (en) * | 2023-09-18 | 2023-10-24 | 中交隧道工程局有限公司 | Shield tunnel deformation control method in adjacent engineering construction process |
-
2018
- 2018-12-03 CN CN201811466291.8A patent/CN109373924A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159300A (en) * | 2019-04-29 | 2019-08-23 | 同济大学 | A kind of shield tunnel repairing and reinforcement platform and reinforcement means |
| CN110242351A (en) * | 2019-05-30 | 2019-09-17 | 上海工程技术大学 | A kind of tunnel structure rotational angle of joint displacement sensing device |
| CN110779482A (en) * | 2019-08-19 | 2020-02-11 | 杭州鲁尔物联科技有限公司 | Automatic monitoring system and method for horizontal dislocation and deformation of shield tunnel segment |
| CN111779504A (en) * | 2020-07-02 | 2020-10-16 | 杭州鲁尔物联科技有限公司 | Prefabricated shield segment and health monitoring system and integration method thereof |
| CN112902816A (en) * | 2021-02-05 | 2021-06-04 | 深圳大学 | Tunnel segment dislocation monitoring system and method |
| CN116929299A (en) * | 2023-09-18 | 2023-10-24 | 中交隧道工程局有限公司 | Shield tunnel deformation control method in adjacent engineering construction process |
| CN116929299B (en) * | 2023-09-18 | 2023-12-05 | 中交隧道工程局有限公司 | Shield tunnel deformation control method in adjacent engineering construction process |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20190222 |