CN205719098U - A kind of maintainable tunnel-liner hydraulic pressure and system for monitoring displacement - Google Patents
A kind of maintainable tunnel-liner hydraulic pressure and system for monitoring displacement Download PDFInfo
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- CN205719098U CN205719098U CN201620580978.4U CN201620580978U CN205719098U CN 205719098 U CN205719098 U CN 205719098U CN 201620580978 U CN201620580978 U CN 201620580978U CN 205719098 U CN205719098 U CN 205719098U
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- tunnel
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- hydraulic pressure
- inverted arch
- displacement
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Abstract
A kind of maintainable tunnel-liner hydraulic pressure and system for monitoring displacement, with the maintainable problem of effective solution monitoring system, and provide inverted arch filling face absolute displacement values in tunnel-liner hydraulic pressure force value behind and tunnel in real time, provide safeguard for railway operation safety.Along tunnel bearing of trend interval, monitoring section is set, each monitoring section arranges water pressure monitoring device, displacement monitor and wireless data and uses instrument, repeater, water pressure monitoring device is arranged at the top of both sides weeper drain beyond tunnel-liner, displacement monitor is arranged at tunnel-liner inverted arch section above inverted arch packed layer and Central drain position, the hydraulic pressure value of tunnel-liner behind of water pressure monitoring device detection, the tunnel-liner inverted arch section lifting shift value of displacement monitor detection are sent to corresponding wireless data and use instrument, more repeated device is sent to Surveillance center.
Description
Technical field
This utility model relates to dewatering type tunnel-liner hydraulic pressure and system for monitoring displacement, is particularly well-suited to high-pressure water-enriched karst
Area tunnel-liner hydraulic pressure and system for monitoring displacement scheme.
Background technology
Conventional mountain tunnel generally is configured with drainage system, and during tunnel operation, tunnel lining structure is not subject to hydraulic pressure
Power, but the location required for some environment is in order to protect the original ecological environment in ground, and tunnel can not use drainaging scheme,
At this moment tunnel structure acting by external hydrostatic pressure to be born.In addition, under special geologic condition, although Tunnel Design has draining
System, but tunnel-liner is behind it is possible that the biggest hydraulic pressure in a short period of time.Such as: earth's surface drops for a long time
After rain, the hydraulic pressure behind of the tunnel-liner in Karst Tunnel and subsoil water horizontal tape loop stratum can rise rapidly.In recent years, west
Nanshan District newly opens many Karst Tunnel lining cutting hydraulic pressure behind during rainy season in the sharp railway line of expensive wide railway and Chongqing of operation
Suddenly raise, cause lining deformation, drum on inverted arch, track deformation, the serious threat passenger vehicle operation security by tunnel.At present,
Existing monitoring technology is all to install hydraulic pressure gauge (or osmometer) behind, in tunnel-liner internally installed phase para-position in tunnel-liner
Move monitoring point, then tunnel-liner hydraulic pressure and malformation are carried out periodic monitoring.Existing this monitoring scheme is transported in tunnel
There are two significant deficiency: first water pressure monitoring meter is installed on lining cutting behind, it is impossible to change, prior art bar in addition during battalion
Hydraulic pressure gauge under part is the highest for service life, it is impossible to ensureing the long-term reliability of hydraulic pressure gauge, especially hydraulic pressure gauge once lost efficacy
Cannot change especially, therefore for the reliability and maintainability of system, it is impossible to meet the reality of long term monitoring during runing
Need；Its two be tunnel displacement monitoring system monitoring be all relative displacement, it is impossible to the absolute displacement of monitoring tunnel inverted arch, therefore
Can not be to whether bullet train speed limit being provided direct early warning.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of maintainable tunnel-liner hydraulic pressure and displacement monitoring
System, with the maintainable problem of effective solution monitoring system, and in providing in real time tunnel-liner hydraulic pressure force value behind and tunnel
Face absolute displacement values filled by inverted arch, provides safeguard for railway operation safety.
It is as follows that this utility model solves the technical scheme that its technical problem used:
A kind of maintainable tunnel-liner hydraulic pressure of this utility model and system for monitoring displacement, is characterized in that: extend along tunnel
Interval, direction arranges monitoring section, arranges water pressure monitoring device, displacement monitor and wireless data and adopt on each monitoring section
With instrument, repeater, water pressure monitoring device is arranged at the top of both sides weeper drain beyond tunnel-liner, and displacement monitor is arranged
In tunnel-liner inverted arch section above inverted arch packed layer and Central drain position, the tunnel-liner behind of water pressure monitoring device detection
The tunnel-liner inverted arch section lifting shift value of hydraulic pressure value, displacement monitor detection is sent to corresponding wireless data and uses instrument,
The most repeated device is sent to Surveillance center.
The beneficial effects of the utility model are, move to inside tunnel by being usually mounted to lining cutting hydraulic pressure gauge behind, hydraulic pressure
Be transferred to hydraulic pressure gauge by tunnel bottom osculum, therefore hydraulic pressure gauge has convertibility and detectability, thereby ensure that its
Reliability and service life.On the other hand, hydraulic pressure is transferred to hydraulic pressure gauge by original design reserved osculum, it is to avoid serve as a contrast tunnel
Building structure and the damage of fish tail and waterproof layer, installation cost is substantially reduced, and can avoid in instrument installation process doing construction simultaneously
Disturb problem；In tunnel, Central drain designs the preformed hole (basement rock is goed deep in boring) separated with inverted arch filling and lining cutting and installs water
On schedule, it is ensured that bench mark non-displacement, thus can measure inverted arch fill face absolute displacement；It is positioned at inverted arch lining cutting and inverted arch
The boring filled out is positioned at Central drain, and under normal circumstances, the swelling of dewatering type tunnel-liner limited head height behind enters tunnel
Central drain, does not affect structure and normally uses；Hydrostatic level can measure monitoring point change in displacement within the extremely short time, full
Foot operation detection requirement.Native system, compared with existing system, solves the technological difficulties that hydraulic pressure gauge overhauls, safeguards or change, and protects
Demonstrate,prove hydraulic pressure gauge long-term reliability；Utilize the existing osculum in tunnel, existing structure is not caused risk of leakage；Edema with the heart involved in tunnel
Reserved water installing hole on schedule at ditch, bench mark separates with hole wall, can measure tunnel inverted arch and fill face absolute displacement, for high-speed cruising
Train provides early warning information, and guides railway maintenance personnel to overhaul in time, both can reduce inspection workload, can greatly reduce again
Potential safety hazard, it is ensured that the long-term operation security of mountain tunnel in high-pressure water-enriched karst tunnel and horizontal cyclic band.
Accompanying drawing explanation
This specification includes following width two accompanying drawing:
Fig. 1 is a kind of maintainable tunnel-liner hydraulic pressure of this utility model and the structural representation of system for monitoring displacement；
Fig. 2 is the thin portion structure of bench mark in a kind of maintainable tunnel-liner hydraulic pressure of this utility model and system for monitoring displacement
Make figure；
Component shown in figure and corresponding labelling: tunnel-liner 10, tunnel-liner longitudinal drainage blind pipe 11, middle edema with the heart involved behind
Ditch 12, tunnel lateral direction reserved drainpipe 13, weeper drain 14；Level foundation pile 20, flexible material 21, extra feed tank 22, static(al) water
Locating tab assembly instrument 23；Three water service pipes 30, switch valve 31, water-pressure survey meter 32, wireless data uses instrument and repeater 40.
Detailed description of the invention
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
With reference to Fig. 1, a kind of maintainable tunnel-liner hydraulic pressure of this utility model and system for monitoring displacement, along tunnel extension side
Monitoring section is set to interval, each monitoring section arranges water pressure monitoring device, displacement monitor and wireless data and uses
Instrument 40, repeater, water pressure monitoring device is arranged at the top of both sides row ditch 14 beyond tunnel-liner 10, and displacement monitor is arranged
In tunnel-liner 10 inverted arch section above inverted arch packed layer and Central drain 12 position, the tunnel-liner 10 of water pressure monitoring device detection
The tunnel-liner 10 inverted arch section lifting shift value of hydraulic pressure value behind, displacement monitor detection is sent to corresponding wireless data
Use instrument 40, more repeated device is sent to Surveillance center.
Need to monitor the location (Karst Tunnel that such as subsoil water is grown) of hydraulic pressure and inverted arch deformation in tunnel, be separated by certain
Spacing arranges monitoring section, can the real-time measurement lining cutting distribution of hydraulic pressure behind and the tunnel inverted arch deformation that causes due to hydraulic pressure, in real time
The monitoring tunnel-liner data such as hydraulic pressure and inverted arch deformation behind, provide safeguard for railway operation safety.
With reference to Fig. 2, described water pressure monitoring device includes level foundation pile 20, hydrostatic leveling instrument 23 and extra feed tank 22.
Hole at Central drain 12 during constructing tunnel, it is desirable to boring aperture is more than level foundation pile 20 diameter, and at the bottom of hole, absolute altitude answers position
(rock stratum is stablized) in the horizon d of certain depth scope bottom tunnel inverted arch.Level foundation pile 20 is vertically downwards through Central drain
12, tunnel-liner 10 inverted arch section entrance tunnel base rock stablizes rock stratum, this level foundation pile 20 and Central drain 12 cover plate, tunnel-liner
Filling flexible material 21 in circular gap between 10 inverted arch sections, lining cutting or lid when tunnel-liner 10 inverted arch section occurs arch to deform
Plate does not produce frictional force to level foundation pile 20, it is ensured that the absolute zero displacement of level foundation pile 20.Hydrostatic leveling instrument 23 and supply
Water tank 22 is arranged in the inverted arch packed layer of Central drain 12 side, and extra feed tank 22 is hydrostatic leveling instrument 23 liquid make-up.
When tunnel-liner 10 inverted arch section deforms, utilize law of connected vessels, between hydrostatic leveling instrument 23 and level foundation pile 20
Displacement be tunnel-liner inverted arch absolute displacement (or referred to as track deformation), can monitor in real time.
With reference to Fig. 1, described water pressure monitoring device includes three water service pipes 30 and controls the switch valve 31 of its break-make, and installs
At the water-pressure survey meter 32 on three water service pipe 30 tops, three two ends, water service pipe 30 bottom connect tunnel-liner longitudinal drainage behind respectively
Blind pipe 11, tunnel lateral direction reserved drainpipe 13.When the short time, ground water pressure was the biggest, tunnel inner water drainage system is not enough to discharge entirely
Portion's lining cutting subsoil water behind, subsoil water will rise to water-pressure survey meter 32 position by three water service pipes 30, therefore can record in real time
Hydraulic pressure.When water-pressure survey meter 32 is damaged or breaks down, closing switch valve 31, can change at any time or keep in repair hydraulic pressure
Meter.
The above a kind of maintainable tunnel-liner hydraulic pressure of this utility model that simply explains through diagrams and displacement monitoring system
Some principles of system, are not intended to limit in shown and described concrete structure and the scope of application this utility model, therefore every
The corresponding amendment being likely utilized and equivalent, belong to the apllied the scope of the claims of this utility model.
Claims (3)
1. maintainable tunnel-liner hydraulic pressure and a system for monitoring displacement, is characterized in that: arrange along tunnel bearing of trend interval
Monitoring section, arranges water pressure monitoring device, displacement monitor and wireless data on each monitoring section and uses instrument (40), relaying
Device, water pressure monitoring device is arranged at the top of both sides weeper drain (14) beyond tunnel-liner (10), and displacement monitor is arranged
In tunnel-liner (10) inverted arch section above inverted arch packed layer and Central drain (12) position, the tunnel lining of water pressure monitoring device detection
Build the hydraulic pressure value of (10) behind, tunnel-liner (10) the inverted arch section lifting shift value of displacement monitor detection is sent to accordingly
Wireless data uses instrument (40), more repeated device is sent to Surveillance center.
A kind of maintainable tunnel-liner hydraulic pressure the most as claimed in claim 1 and system for monitoring displacement, is characterized in that: described water
Pressure monitoring device includes level foundation pile (20), hydrostatic leveling instrument (23) and extra feed tank (22), and level foundation pile (20) is vertical
Be passed down through Central drain (12), tunnel-liner (10) inverted arch section enter tunnel base rock stablize rock stratum, this level foundation pile (20) and
Deformable flexible material (21) is filled in circular gap between Central drain (12) cover plate, tunnel-liner (10) inverted arch section,
Hydrostatic leveling instrument (23) and extra feed tank (22) are arranged in the inverted arch packed layer of Central drain (12) side.
A kind of maintainable tunnel-liner hydraulic pressure the most as claimed in claim 1 and system for monitoring displacement, is characterized in that: described water
Pressure monitoring device includes the switch valve (31) controlling its break-make of three water service pipes (30), and is arranged on three water service pipes (30) top
Water-pressure survey meter (32), three water service pipes (30) two ends, bottom connect tunnel-liner behind longitudinal drainage blind pipe (11), tunnel respectively
The horizontal reserved drainpipe in road (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620580978.4U CN205719098U (en) | 2016-06-14 | 2016-06-14 | A kind of maintainable tunnel-liner hydraulic pressure and system for monitoring displacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620580978.4U CN205719098U (en) | 2016-06-14 | 2016-06-14 | A kind of maintainable tunnel-liner hydraulic pressure and system for monitoring displacement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205719098U true CN205719098U (en) | 2016-11-23 |
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| CN201620580978.4U Active CN205719098U (en) | 2016-06-14 | 2016-06-14 | A kind of maintainable tunnel-liner hydraulic pressure and system for monitoring displacement |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953837A (en) * | 2016-06-14 | 2016-09-21 | 中铁二院工程集团有限责任公司 | Maintainable tunnel lining water pressure and displacement monitoring system |
| CN107178392A (en) * | 2017-06-28 | 2017-09-19 | 中铁第四勘察设计院集团有限公司 | A kind of method for controlling Tunneling by mining method secondary lining water pressure |
| CN109505653A (en) * | 2018-12-20 | 2019-03-22 | 中国电建集团华东勘测设计研究院有限公司 | A kind of stifled arrange of convertible type of rich water tunnel combines supporting construction |
| CN112796780A (en) * | 2021-02-04 | 2021-05-14 | 石家庄铁道大学 | Maintainable tunnel lining water pressure gauge mounting device and method |
-
2016
- 2016-06-14 CN CN201620580978.4U patent/CN205719098U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953837A (en) * | 2016-06-14 | 2016-09-21 | 中铁二院工程集团有限责任公司 | Maintainable tunnel lining water pressure and displacement monitoring system |
| CN107178392A (en) * | 2017-06-28 | 2017-09-19 | 中铁第四勘察设计院集团有限公司 | A kind of method for controlling Tunneling by mining method secondary lining water pressure |
| CN109505653A (en) * | 2018-12-20 | 2019-03-22 | 中国电建集团华东勘测设计研究院有限公司 | A kind of stifled arrange of convertible type of rich water tunnel combines supporting construction |
| CN112796780A (en) * | 2021-02-04 | 2021-05-14 | 石家庄铁道大学 | Maintainable tunnel lining water pressure gauge mounting device and method |
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| GR01 | Patent grant |