CN208721064U - Real-time monitoring system across existing subway tunnel on a kind of city tunnel - Google Patents
Real-time monitoring system across existing subway tunnel on a kind of city tunnel Download PDFInfo
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- CN208721064U CN208721064U CN201821698099.7U CN201821698099U CN208721064U CN 208721064 U CN208721064 U CN 208721064U CN 201821698099 U CN201821698099 U CN 201821698099U CN 208721064 U CN208721064 U CN 208721064U
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Abstract
The utility model discloses the real-time monitoring systems across existing subway tunnel on a kind of city tunnel, it is related to the city tunnel excavation pit positioned at existing underground tunnel upper, the two sides of the excavation pit are provided with building enclosure, the concrete support of building enclosure described in connection two sides is provided at the top of the foundation pit, it is characterized in that the real-time monitoring system includes building enclosure monitoring subsystem, the building enclosure monitoring subsystem includes the horizontal displacement sensors and vertical displacement sensor being set at the top of the building enclosure, it is set to the deviational survey sensor of the building enclosure lower part, first data acquisition device of the axial force sensor and each sensor of connection that are set in the concrete support.The utility model has the advantages that: system design rationally, to the monitoring across progress all-dimensional multi-angle inside and outside the foundation pit during existing constructing metro tunnel on city tunnel, can obtain monitoring data in real time, establish effective monitoring and warning mechanism, it is ensured that construction safety.
Description
Technical field
The utility model relates to tunnel construction sites to monitor field, and in particular to across existing subway tunnel on a kind of city tunnel
The real-time monitoring system in road.
Background technique
City bustling business district when Construction of City Tunnel, generally requires the subway tunnel across operation, due to existing subway
Edpth of tunnel is generally shallower, and the clear spacing of city tunnel and subway tunnel is smaller, if big cross section is excavated on existing subway tunnel
The earth volume of side can cause the Unloading Effect of the excavation face lower part soil body, and the disturbance constructed in addition to the soil body often makes lower part
Subway tunnel generates protuberance deformation.This deformation can be with upper overburden layer thickness and city tunnel and existing subway tunnel clear spacing
Reducing and increases, protuberance deformation is also concentrated mainly on city tunnel across existing constructing metro tunnel region, therefore, existing subway
It cracks being longitudinally easy to appear inhomogeneous deformation in tunnel.It is collapsed to will lead to upper base, subway tunnel floats, thus sternly
Ghost image rings the normal operation and safety of subway tunnel.
Therefore it was especially needed in upper across subway tunnel section construction period in foundation pit during Construction of City Tunnel
It is outer to carry out comprehensively monitoring in real time, it is ensured that the safety of subway tunnel avoids that engineering accident occurs.
Summary of the invention
The purpose of this utility model is according in place of above-mentioned the deficiencies in the prior art, providing on a kind of city tunnel across both
There is the real-time monitoring system of subway tunnel, the real-time monitoring system is by being arranged multiple sensors in the building enclosure in foundation pit
Horizontal displacement, vertical displacement and the gradient of real-time monitoring building enclosure, and multiple sensors real-time monitoring is set outside foundation pit
Ground settlement, water level, pipe settlement and the building settlement of foundation pit surrounding environment, to be formed inside and outside foundation pit comprehensive polygonal
The monitoring of degree, it is ensured that construction safety.
The utility model aim realization is completed by following technical scheme:
Real-time monitoring system across existing subway tunnel on a kind of city tunnel is related to positioned at existing underground tunnel upper
City tunnel excavation pit, the two sides of the excavation pit are provided with building enclosure, and connection two sides are provided at the top of the foundation pit
The concrete of the building enclosure supports, it is characterised in that the real-time monitoring system includes building enclosure monitoring subsystem, described to enclose
Protection structure monitoring subsystem includes being set to horizontal displacement sensors at the top of the building enclosure and vertical displacement sensor, setting
It is each described to be placed in the deviational survey sensor of the building enclosure lower part, the axial force sensor being set in the concrete support and connection
First data acquisition device of sensor.
The real-time monitoring system further includes a surrounding enviroment monitoring subsystem, and the surrounding enviroment monitoring subsystem includes
The surface subsidence monitoring sensor being set to outside the excavation pit, the water being set in the outer water level monitoring hole of the excavation pit
Monitoring sensor in position, is set to outside the excavation pit and builds the pipe settlement monitoring sensor being set on the subway tunnel
Build the Building's Subsidence Survey sensor on object.
The horizontal displacement sensors are set on the reinforcing bar in the building enclosure, the adjacent horizontal displacement sensors
Between laying spacing be 20-30m；The vertical displacement sensor is set on the reinforcing bar in the building enclosure, adjacent institute
Stating the laying spacing between vertical displacement sensor is 20-30m.
The framework of steel reinforcement that the deviational survey sensor is set in the building enclosure meets native face side, and its laying spacing is
20-30m。
First data acquisition device is connect through communication module with remote computer.
The surface subsidence monitoring sensor is laid in group, and surface subsidence monitoring sensor described in each group is along the excavation base
It cheats extending direction to arrange at interval of 20-30m, and several surface subsidence monitoring sensor verticals in every group are in the excavation
It lays at the extending direction interval of foundation pit.
It is provided with PVC water-permeable pipe in the water level monitoring hole, strainer, the water are enclosed on the outside of the PVC water-permeable pipe
Position monitoring sensor is set in the PVC water-permeable pipe.
The arrangement spacing in the water level monitoring hole is 35-45m, hole depth 7-9m.
The pipe settlement monitoring sensor is laid along the extending direction interval of the subway tunnel, and laying spacing is 15-
20m。
The surface subsidence monitoring sensor, the water level detecting sensor, the pipe settlement monitoring sensor and
Same second data acquisition device is connected the Building's Subsidence Survey sensor respectively, the second data acquisition device warp
Communication module is connect with remote computer.
The utility model has the advantages that: system design is reasonable, during on city tunnel across existing constructing metro tunnel
Foundation pit be arranged inside and outside the monitoring that multiple sensors carry out all-dimensional multi-angle, can obtain monitoring data in real time, establish effective
Monitoring and warning mechanism, it is ensured that construction safety.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of real-time monitoring system in the utility model；
Fig. 2 is the floor map of layout of the monitoring points inside and outside foundation pit in the utility model；
Fig. 3 is the structural schematic diagram of A-A section in the utility model Fig. 2；
Fig. 4 is the structural schematic diagram of B-B section in the utility model Fig. 2.
Specific embodiment
The feature of the utility model and other correlated characteristics are made further specifically by embodiment below in conjunction with attached drawing
It is bright, in order to the understanding of technical staff of the same trade:
Picture 1-4,1-19 is marked to be respectively as follows: remote computer 1, building enclosure monitoring subsystem 2, surrounding enviroment prison in figure
Subsystem 3, communication module 4, the first data acquisition device 5, horizontal displacement sensors 6, vertical displacement sensor 7, deviational survey is surveyed to pass
Sensor 8, axial force sensor 9, the second data acquisition device 10, surface subsidence monitoring sensor 11, water level detecting sensor 12, pipe
Line settlement monitoring sensor 13, Building's Subsidence Survey sensor 14, subway tunnel pipeline 15, fender post 16, enclosure wall 17, base
Cheat 18, Quan support 19.
Embodiment: as shown in Figs 1-4, the present embodiment is specifically related on a kind of city tunnel across the real-time of existing subway tunnel
Monitoring system, the real-time monitoring system go along with sb. to guard him knot by the way that multiple sensors real-time monitoring is arranged in the building enclosure in foundation pit 18
Horizontal displacement, vertical displacement and the gradient of structure, and 18 peripheral ring of multiple sensors real-time monitoring foundation pit is set outside foundation pit 18
Ground settlement, water level, pipe settlement and the building settlement in border, to form the real-time of all-dimensional multi-angle inside and outside foundation pit 18
Monitoring.
As in Figure 2-4, subway tunnel pipeline 13 is existing shield subway tunnel, since subway tunnel pipeline 13 is in
The state of normal operation answers the situation inside and outside real-time monitoring foundation pit 18 in work progress, to ensure the peace of subway tunnel pipeline 13
Entirely.The two sides inner wall parallel with city tunnel extending direction is each provided with row's fender post 16 in foundation pit 18, while enclosing in every row
The position construction enclosure wall 17 of fender pile 16, makes fender post 16 become one structure with enclosure wall 17, to the soil body of 18 two sides of foundation pit
Strong support is formed, prevents the soil body from collapsing.For further increase foundation pit 18 building enclosure stability, the enclosure wall 17 on two sides
Between also Jian every She Zhi You Quan support 19.
As shown in Figs 1-4, the real-time monitoring system in the present embodiment includes building enclosure monitoring subsystem 2 and surrounding enviroment
Monitoring subsystem 3, wherein building enclosure monitoring subsystem 2 includes horizontal displacement sensors 6, vertical displacement sensor 7, deviational survey
First data acquisition device 5 of sensor 8, axial force sensor 9 and the above-mentioned each sensor of connection, surrounding enviroment monitor subsystem
System includes surface subsidence monitoring sensor 11, water level detecting sensor 12, pipe settlement monitoring sensor 13, building settlement prison
Survey the second data acquisition device 3 of sensor 14 and each sensor of connection；First data acquisition device 5 and the second data are adopted
Acquisition means 10 are also connect by a communication module 4 with remote computer 1 respectively, and collected data are transmitted to remote computation
Machine 1.
As shown in Figs 1-4, the horizontal displacement sensors 6 in building enclosure monitoring subsystem 2 and vertical displacement sensor 7 are equal
It is laid on the reinforcing bar at the top of the building enclosure that fender post 16 and enclosure wall 17 form, the laying spacing of monitoring point is 20-
30m pre-buried before the concreting of enclosure wall 17 wherein or with drilling machine can directly drill embedment wherein at design position；It surveys
The framework of steel reinforcement that oblique sensor 8 is laid in building enclosure lower part meets native face side, and the laying spacing of monitoring point is 20-30m, can
The framework of steel reinforcement that design position is fixed in when enclosure wall 17 is constructed meets native face side；The then Bu She Yu Quan of axial force sensor 9
In support 19, monitoring point is selected in the position close to deviational survey sensor 8, and the data that the two can be measured are mutually authenticated and integrate point
Analysis；First data acquisition device 5 acquires the horizontal displacement data for the building enclosure that each sensor measures, vertical displacement number in real time
According to, inclination data Yi Ji the axle power data of Quan support 19, and it is transmitted to remote computer 1 by communication module 4, worked
Personnel using 1 pair of remote computer transmission come data be analyzed and processed, be compared with theoretical value, if monitoring data appearance
Larger fluctuation then sends staff to carry out on-the-spot make an inspection tour and inspection in time, finds out reason and takes immediate steps and is solved,
To guarantee construction safety.
As shown in Figs 1-4, the surface subsidence monitoring sensor 11 in surrounding enviroment monitoring subsystem 3 is laid in foundation pit in group
Outside 18, laying spacing of each group surface subsidence monitoring sensor 11 along 18 extending direction of foundation pit (namely city tunnel extending direction)
For 20-30m, away from, for starting monitoring point, several surface subsidence monitoring sensors 11 in every group are vertical at 18 sideline 2m of foundation pit
It is laid in the extending direction interval of foundation pit 18, every group includes 5 surface subsidence monitoring sensors 11 in the present embodiment, organizes interior lay
Spacing is 6m, 6m, 8m, 8m, it should be noted that a depthkeeping under road hardening face should be arranged in surface subsidence monitoring sensor 11
Protection is spent and covered, avoids passing load-carrying vehicle and covering for building materials that it is caused to damage or influence measurement accuracy；Water level monitoring
Sensor 12 is laid in outside foundation pit 18, and laying spacing is 35-45m, by excavating the water level monitoring hole of 7-9m depth in monitoring point, and
It is enclosed with the PVC water-permeable pipe of strainer outside setting in water level monitoring hole, then water level detecting sensor 12 is placed in PVC water-permeable pipe
It is interior, it can prevent from causing underground water muddy due to site operation and the waterlevel data inaccuracy that measures water level detecting sensor 12
It happens, water level monitoring hole should carry out capping protection, prevent surface water from entering；Pipe settlement monitoring sensor 13 is then laid in
The two sides of every subway tunnel pipeline 13, the laying spacing on 13 extending direction of subway tunnel pipeline is 15-20m, is being faced
13 part of subway tunnel pipeline on nearly 18 side of foundation pit can suitably increase monitoring point；Building's Subsidence Survey sensor 14 is then laid
In on the building on 18 periphery of foundation pit, a Building's Subsidence Survey sensor at least is laid at four angles on every building building
14, especially important building then can suitably increase the quantity of Building's Subsidence Survey sensor 14, such as 6 or more, than
A Building's Subsidence Survey sensor 14 is laid every 20m or so on longer building；Second data acquisition device 10 is real
When acquire the ground settlement data of 18 surrounding enviroment of foundation pit that each sensor measures, waterlevel data, pipe settlement data and
Building settlement data, and it is transmitted to remote computer 1 by communication module 4, staff is right using remote computer 1
The data that transmission comes are analyzed and processed, and are compared with theoretical value, if larger fluctuation occur in monitoring data, are sent work in time
Make personnel and carry out on-the-spot make an inspection tour and inspection, find out reason and take immediate steps and solved, to guarantee construction safety.
The beneficial effect of the present embodiment is: by laying various types of sensors, real-time monitoring foundation pit inside and outside foundation pit
Ground settlement, water level, pipe settlement and the building of the stability and foundation pit periphery surrounding environment of interior building enclosure and support are heavy
Drop, can find security risk in time, eliminate the threat to deep pit monitor, guarantee existing subway tunnel in the construction process normal
Operation.
Claims (10)
1. the real-time monitoring system across existing subway tunnel on a kind of city tunnel is related to positioned at the city of existing underground tunnel upper
City's tunnel excavation foundation pit, the two sides of the excavation pit are provided with building enclosure, and connection two sides institute is provided at the top of the foundation pit
State the concrete support of building enclosure, it is characterised in that the real-time monitoring system includes building enclosure monitoring subsystem, described to go along with sb. to guard him
Structure monitoring subsystem includes the horizontal displacement sensors and vertical displacement sensor, setting being set at the top of the building enclosure
Deviational survey sensor, the axial force sensor that is set in concrete support and each biography of connection in the building enclosure lower part
First data acquisition device of sensor.
2. the real-time monitoring system across existing subway tunnel on a kind of city tunnel according to claim 1, feature exist
It further include a surrounding enviroment monitoring subsystem in the real-time monitoring system, the surrounding enviroment monitoring subsystem includes being set to
Surface subsidence monitoring sensor outside the excavation pit, the water level monitoring being set in the outer water level monitoring hole of the excavation pit
Sensor, is set on the excavation pit External building object pipe settlement being set on subway tunnel monitoring sensor
Building's Subsidence Survey sensor.
3. the real-time monitoring system across existing subway tunnel on a kind of city tunnel according to claim 1, feature exist
It is set on the reinforcing bar in the building enclosure in the horizontal displacement sensors, between the adjacent horizontal displacement sensors
Laying spacing is 20-30m；The vertical displacement sensor is set on the reinforcing bar in the building enclosure, adjacent described vertical
Laying spacing between displacement sensor is 20-30m.
4. the real-time monitoring system across existing subway tunnel on a kind of city tunnel according to claim 1, feature exist
Native face side is met in the framework of steel reinforcement that the deviational survey sensor is set in the building enclosure, and it is 20- that it, which lays spacing,
30m。
5. the real-time monitoring system across existing subway tunnel on a kind of city tunnel according to claim 1, feature exist
It is connect through communication module with remote computer in first data acquisition device.
6. the real-time monitoring system across existing subway tunnel on a kind of city tunnel according to claim 2, feature exist
It is laid in the surface subsidence monitoring sensor in group, surface subsidence monitoring sensor described in each group extends along the excavation pit
Direction is arranged at interval of 20-30m, and several surface subsidence monitoring sensor verticals in every group are in the excavation pit
It lays at extending direction interval.
7. the real-time monitoring system across existing subway tunnel on a kind of city tunnel according to claim 2, feature exist
It is provided with PVC water-permeable pipe in the water level monitoring hole, strainer, the water level monitoring are enclosed on the outside of the PVC water-permeable pipe
Sensor is set in the PVC water-permeable pipe.
8. the real-time monitoring system across existing subway tunnel on a kind of city tunnel according to claim 7, feature exist
Arrangement spacing in the water level monitoring hole is 35-45m, hole depth 7-9m.
9. the real-time monitoring system across existing subway tunnel on a kind of city tunnel according to claim 2, feature exist
It is laid in pipe settlement monitoring sensor along the extending direction interval of the subway tunnel, laying spacing is 15-20m.
10. the real-time monitoring system across existing subway tunnel on a kind of city tunnel according to claim 2, feature exist
In the surface subsidence monitoring sensor, the water level detecting sensor, pipe settlement monitoring sensor and described build
Building object settlement monitoring sensor, same second data acquisition device is connected respectively, and second data acquisition device is through communicating mould
Block is connect with remote computer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821698099.7U CN208721064U (en) | 2018-10-19 | 2018-10-19 | Real-time monitoring system across existing subway tunnel on a kind of city tunnel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821698099.7U CN208721064U (en) | 2018-10-19 | 2018-10-19 | Real-time monitoring system across existing subway tunnel on a kind of city tunnel |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110068365A (en) * | 2019-05-21 | 2019-07-30 | 中铁七局集团有限公司 | For the water level subsidence monitoring system and method for being saturated soft loess formation |
| CN110081857A (en) * | 2019-05-14 | 2019-08-02 | 长安大学 | A kind of earth's surface real-time monitoring system and monitoring method for shield-tunneling construction tunnel |
| CN110593883A (en) * | 2019-09-27 | 2019-12-20 | 上海建工集团股份有限公司 | Method for indirectly evaluating safety state of existing pipeline under shield tunneling |
| CN113446994A (en) * | 2021-06-10 | 2021-09-28 | 中铁隧道局集团路桥工程有限公司 | Three-dimensional intelligent monitoring method for structure adjacent to existing station in newly-built subway construction |
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2018
- 2018-10-19 CN CN201821698099.7U patent/CN208721064U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081857A (en) * | 2019-05-14 | 2019-08-02 | 长安大学 | A kind of earth's surface real-time monitoring system and monitoring method for shield-tunneling construction tunnel |
| CN110081857B (en) * | 2019-05-14 | 2024-04-12 | 长安大学 | Ground surface real-time monitoring system and monitoring method for shield construction tunnel |
| CN110068365A (en) * | 2019-05-21 | 2019-07-30 | 中铁七局集团有限公司 | For the water level subsidence monitoring system and method for being saturated soft loess formation |
| CN110593883A (en) * | 2019-09-27 | 2019-12-20 | 上海建工集团股份有限公司 | Method for indirectly evaluating safety state of existing pipeline under shield tunneling |
| CN110593883B (en) * | 2019-09-27 | 2021-04-06 | 上海建工集团股份有限公司 | Method for indirectly evaluating safety state of existing pipeline under shield tunneling |
| CN113446994A (en) * | 2021-06-10 | 2021-09-28 | 中铁隧道局集团路桥工程有限公司 | Three-dimensional intelligent monitoring method for structure adjacent to existing station in newly-built subway construction |
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