CN109373926A - The continuous monitoring alarm method of constructing tunnel surrouding rock deformation and monitoring system - Google Patents
The continuous monitoring alarm method of constructing tunnel surrouding rock deformation and monitoring system Download PDFInfo
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- CN109373926A CN109373926A CN201811643505.4A CN201811643505A CN109373926A CN 109373926 A CN109373926 A CN 109373926A CN 201811643505 A CN201811643505 A CN 201811643505A CN 109373926 A CN109373926 A CN 109373926A
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- fixing bolt
- deformation
- displacement sensor
- rock
- constructing tunnel
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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
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- Length Measuring Devices By Optical Means (AREA)
Abstract
The continuous monitoring alarm method of constructing tunnel surrouding rock deformation and monitoring system include the following steps: to determine selection wall rock's level section, and arrange cross-section monitoring point according to constructing tunnel process；Determining and adjoining rock stability region of the wall rock's level section apart from nearest tunnel；In cross-section monitoring point, the second fixing bolt is set；In adjoining rock stability region, third fixing bolt is set；In the second fixing bolt and third fixing bolt midpoint, the first fixing bolt is set；The first photosensitive displacement sensor is set in the second fixing bolt, the second photosensitive displacement sensor is set in third fixing bolt；In the first fixing bolt, first laser light source and second laser light source are set；After signal processing system receives the signal of the first photosensitive displacement sensor and the second photosensitive displacement sensor, the real-time deformation shift value of monitoring point is determined.
Description
Technical field
The present invention relates to IPC code be E21F 17/18 technical field tunnel signal device and warning device,
Signal alarm monitoring method and monitoring system more particularly, to a kind of continuous monitoring alarm of constructing tunnel surrouding rock deformation.
Background technique
Tunnel is a kind of underground structure being embedded in stratum, is widely used in city underground and crosses over mountain after mountain, gets over river
The engineerings such as railway, highway and water conservancy, bring great convenience to our daily life.Shorten traffic since tunnel has
Space length, the advantages that having fewer environmental impacts, therefore in wearing mountain traffic route over strait or the construction of city rail route often
A large amount of tunnel can often be built.
However, since tunnel is in complicated geological conditions environment, tunnel construction has certain complexity, then plus
The variation of upper natural environment and operation condition and the influence of various weathers and human factor cause tunnel cavern to generate convergence
Deformation restrains the excessive safety for influencing whether constructing tunnel, or even great casualties occurs, economic asset loss, influences face
Wide pernicious safety accident.Therefore, constructing tunnel reinforces safety of the monitoring deformed to it to construction is improved in the process, guarantees
The quality and progress of construction have a very important significance.
Currently, the measurement methods such as traditional convergence gauge, measurement of the level have the shortcomings that it is obvious: time-consuming, measuring quality is unstable
Fixed, human error is greatly, big to interference of constructing, measuring speed is slow, is easily affected by the surrounding environment, and own hardly possible meets modern tunnel skill
The requirement of art.Three-dimensional laser scanning technique is ripe day by day, but is used for tunnel deformation monitoring, and cost of equipment is high, post-processing
Overlong time, real-time is poor, is not easy to practical application.
In constructing tunnel, surrouding rock deformation is divided into 3 stages: at section excavation initial stage, and, country rock closer apart from excavation face
Deformation is violent；As the solidification and other support systems of gunite concrete play a role, convergent deformation is gradually reduced；When section away from
It is more than 2 times of hole diameters from excavation face, three-dimensional effect substantially eliminates, and convergent deformation speed eases up, and country rock is in the stabilization sub stage.Existing skill
In art, in order to realize the real-time monitoring of tunnel wall rock deformation, by the unstable surrounding rock in tunnel install fixed detector or
Corresponding light source or detector is arranged in person's light source on tunnel stabilization country rock, and the displacement information detected by detector is true
Determine the deformation data of unstable surrounding rock.However, it needs detector or light source being set to stabilizing surrounding rock, remaining needs to monitor
Surrounding rock in excavation distance farther out, and signal light can be scattered in transmission process, receive bias light influence etc., cause to detect
The detection accuracy of device is affected.In order to reduce transmission range, can by the Distance Shortened of light source and detector, but in this way meeting
Cause its be located at unstable surrounding rock perhaps secondary stabilizing surrounding rock since the surrouding rock deformation of light source or detector leads to the knot of detector
Fruit inaccuracy.
Summary of the invention
The present invention provides a kind of continuous monitoring alarm method of constructing tunnel surrouding rock deformation and monitoring system, can be improved and encloses
The detection accuracy of rock measurement result.
It as one aspect of the present invention, provides constructing tunnel surrouding rock deformation continuous monitoring alarm method, including walks as follows
It is rapid: (1) according to constructing tunnel process, to determine selection wall rock's level section, and arrange cross-section monitoring point；(2) determining to be supervised with country rock
Survey adjoining rock stability region of the section apart from nearest tunnel；(3) the second fixing bolt is set in cross-section monitoring point；(4) in country rock
Third fixing bolt is arranged in the position that stability region corresponds to cross-section monitoring point；(5) in the second fixing bolt and the fixed spiral shell of third
The first fixing bolt is arranged in the line midpoint of bolt；(6) the first photosensitive displacement sensor is set in the second fixing bolt, it is solid in third
Determine bolt and the second photosensitive displacement sensor is set；(7) first laser light source and second laser light source are set in the first fixing bolt,
The first laser light source issues the first laser of the first photosensitive displacement sensor of irradiation, and the second laser light source issues irradiation
The second laser of second photosensitive displacement sensor；(8) signal processing system receives the first photosensitive displacement sensor and the second light
After the signal of quick displacement sensor, the real-time deformation shift value of monitoring point is determined.
Preferably, the wall rock's level section is tunnel excavation face.
Preferably, wall rock's level section described in the adjoining rock stability region distance is greater than twice of hole diameter.
Preferably, the signal processing system determines the first fixing bolt according to the signal of the second photosensitive displacement sensor
Absolute displacement；According to the absolute displacement of the first fixing bolt and the signal of the first photosensitive sensor, the second fixed spiral shell is determined
The decision of bolt is displaced, so that it is determined that the real-time deformation shift value of monitoring point.
Preferably, the first laser light source, second laser light source, the first photosensitive displacement sensor and the second photosensitive position
Displacement sensor is located along the same line.
Preferably, the multiple cross-section monitoring points of setting in the step (1).
Preferably, in the step (9), signal processing system is greater than displacement threshold in real-time deformation shift value according to monitoring point
When value, the first alarm signal is provided.
Preferably, in the step (9), the signal processing system also stores the shift value at each moment, unit of account
The deformation displacement changing value of time provides the second alarm signal when the deformation displacement changing value of unit time is greater than threshold value.
As another aspect of the present invention, provides and continuously supervised for a kind of constructing tunnel surrouding rock deformation of the above method
Control alarm system, comprising: the first fixing bolt, first fixing bolt is for installing laser light source；Second fixing bolt, institute
State the second fixing bolt for install the first photosensitive displacement sensor；Second fixing bolt is set to monitoring point, the prison
Measuring point is set to unstable surrounding rock；Third fixing bolt, the third fixing bolt are set to stabilizing surrounding rock, and the third is fixed
The second photosensitive displacement sensor is arranged in bolt；First fixing bolt is set to the second fixing bolt and third fixing bolt
Midpoint；The laser light source includes first laser light source and second laser light source, and the first laser light source issues
The first laser of the first photosensitive displacement sensor is irradiated, the second laser light source issues the second photosensitive displacement sensor of irradiation
Second laser；After signal processing system receives the signal of the first photosensitive displacement sensor and the second photosensitive displacement sensor, really
Determine the real-time deformation shift value of monitoring point.
Preferably, the first laser light source, second laser light source, the first photosensitive displacement sensor and the second photosensitive position
Displacement sensor is located along the same line.
Preferably, the signal processing system is provided according to monitoring point when real-time deformation shift value is greater than displacement threshold value
First alarm signal.
Preferably, the signal processing system also stores the shift value at each moment, the deformation displacement of unit of account time
Changing value provides the second alarm signal when the deformation displacement changing value of unit time is greater than threshold value.
Preferably, the surrounding rock stability of the fixed position of first fixing bolt is between the fixed position of the second fixing bolt
Between surrounding rock stability and the surrounding rock stability of the fixed position of third fixing bolt.
Preferably, first fixing bolt is fixed on unstable surrounding rock.
Detailed description of the invention
Fig. 1 is the continuous monitoring and alarming system schematic diagram of constructing tunnel surrouding rock deformation of the embodiment of the present invention.
Specific embodiment
In order to illustrate more clearly of technical solution of the present invention, embodiment will be used simply to be situated between the present invention below
Continue, it should be apparent that, be described below in be only one embodiment of the present of invention, for those of ordinary skill in the art come
It says, without any creative labor, other technical solutions can also be obtained according to these embodiments, also belonged to
Disclosure of the invention range.
The continuous monitoring and alarming system of constructing tunnel surrouding rock deformation of the embodiment of the present invention, referring to Fig. 1, including the first fixed spiral shell
Bolt 10, the second fixing bolt 20, third fixing bolt 30, first laser light source 11, second laser light source 12, the first photosensitive displacement
Sensor 21 and the second photosensitive displacement sensor 31.
During constructing tunnel, according to constructing tunnel process, selection wall rock's level section is determined, and arrange cross-section monitoring
Point；Wherein wall rock's level section is located at the unstable surrounding rock for needing to monitor, and can be excavation face or excavation face is additional disconnected
Face.In the monitoring point of wall rock's level section, the second fixing bolt 20 is set, it is either one or more, it can set
It is placed in the vertex of monitoring section, the monitoring point such as 22,23 of detection section two sides can also be set to.Second fixing bolt 20 is used for
First photosensitive displacement sensor 21 is installed, the first photosensitive displacement sensor 21 can determine the position of received irradiation light, be used for
The displacement of the second fixing bolt 20 is determined, so that it is determined that the displacement of monitoring point.
According to the determination of the position of monitoring section and monitoring section apart from nearest adjoining rock stability region, the adjoining rock stability region
The distance of distance detection section can be such as 2 times of Tunnel diameters.In the disconnected of adjoining rock stability corresponding with wall rock's level point region
Third fixing bolt 30 is arranged in face position, and the quantity of third fixing bolt 30 corresponds to the quantity of the second fixing bolt 20.Third
Fixed complex acid 30 can determine received irradiation for installing the second photosensitive displacement sensor 31, the second photosensitive displacement sensor 31
The position of light.Since third fixing bolt 30 is located at adjoining rock stability region, position be it is fixed, passed according to the second photosensitive displacement
The signal of sensor 31 can determine the displacement information of radiation source.
First fixing bolt 10 is set in the midpoint of the second fixing bolt 20 and third fixing bolt 30, first is solid
Determine surrounding rock stability and third fixed spiral shell of the surrounding rock stability between the fixed position of the second fixing bolt of the fixed position of bolt 10
Between the surrounding rock stability of the fixed position of bolt.First fixing bolt 10 includes first sharp for installing laser light source, laser light source
Radiant 11 and second laser light source 12, the first of sending the first photosensitive displacement sensor 21 of irradiation of first laser light source 11 swash
Light, second laser light source 12 issue the second laser of the second photosensitive displacement sensor 31 of irradiation.First photosensitive displacement sensor 21
And second the signal of photosensitive displacement sensor 31 signal processing system is transmitted to by wired or radio transmitting device.
After signal processing system receives the signal of the first photosensitive displacement sensor 21 and the second photosensitive displacement sensor 31,
According to the signal of the second photosensitive displacement sensor 31, the absolute displacement of the first fixing bolt 10 is determined；According to the first fixing bolt
The signal of 10 absolute displacement and the first photosensitive sensor 21 determines the absolute displacement of the second fixing bolt 20, so that it is determined that
The real-time deformation shift value of monitoring point.When real-time deformation shift value of the signal processing system in monitoring point is greater than displacement threshold value, give
First alarm signal out.Preferably, signal processing system also stores the shift value at each moment, the deforming position of unit of account time
Changing value is moved, when the deformation displacement changing value of unit time is greater than threshold value, provides the second alarm signal.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (8)
1. a kind of continuous monitoring alarm method of constructing tunnel surrouding rock deformation, include the following steps: (1) according to constructing tunnel process,
It determines selection wall rock's level section, and arranges cross-section monitoring point；(2) enclosing apart from nearest tunnel is determined with wall rock's level section
Rock stability region；(3) the second fixing bolt is set in cross-section monitoring point；(4) correspond to cross-section monitoring point in adjoining rock stability region
Position be arranged third fixing bolt；(5) in the second fixing bolt and the fixed spiral shell of third fixing bolt line midpoint setting first
Bolt；(6) the first photosensitive displacement sensor is set in the second fixing bolt, the second photosensitive displacement sensing is set in third fixing bolt
Device；(7) first laser light source and second laser light source be set in the first fixing bolt, the first laser light source issues irradiation the
The first laser of one photosensitive displacement sensor, the second of the second laser light source sending second photosensitive displacement sensor of irradiation swash
Light；(8) after the signal of signal processing system the first photosensitive displacement sensor of reception and the second photosensitive displacement sensor, prison is determined
The real-time deformation shift value of measuring point；(9) signal processing system is according to the real-time deformation shift value of monitoring point, it is determined whether is reported
It is alert.
2. the continuous monitoring alarm method of constructing tunnel surrouding rock deformation according to claim 1, it is characterised in that: the country rock
Monitoring section is tunnel excavation face.
3. the continuous monitoring alarm method of constructing tunnel surrouding rock deformation according to claim 2, it is characterised in that: the country rock
Stability region is greater than twice of hole diameter apart from the wall rock's level section.
4. the continuous monitoring alarm method of constructing tunnel surrouding rock deformation according to claim 3, it is characterised in that: described first
Laser light source, second laser light source, the first photosensitive displacement sensor and the second photosensitive displacement sensor are located along the same line.
5. the continuous monitoring alarm method of constructing tunnel surrouding rock deformation according to claim 4, it is characterised in that: the step
(1) the multiple cross-section monitoring points of setting in.
6. the continuous monitoring alarm method of constructing tunnel surrouding rock deformation according to claim 5, it is characterised in that: the step
(9) in, signal processing system, when real-time deformation shift value is greater than displacement threshold value, provides the first alarm signal according to monitoring point.
7. the continuous monitoring alarm method of constructing tunnel surrouding rock deformation according to claim 6, it is characterised in that: the step
(9) in, the signal processing system also stores the shift value at each moment, the deformation displacement changing value of unit of account time,
When the deformation displacement changing value of unit time is greater than threshold value, the second alarm signal is provided.
8. a kind of continuous monitoring and alarming system of constructing tunnel surrouding rock deformation, is used for tunnel described in one of the claims and applies
The continuous monitoring alarm method of work surrouding rock deformation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811643505.4A CN109373926A (en) | 2018-12-30 | 2018-12-30 | The continuous monitoring alarm method of constructing tunnel surrouding rock deformation and monitoring system |
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| CN201811643505.4A CN109373926A (en) | 2018-12-30 | 2018-12-30 | The continuous monitoring alarm method of constructing tunnel surrouding rock deformation and monitoring system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112268797A (en) * | 2020-10-09 | 2021-01-26 | 武汉威思顿环境***有限公司 | All-round comprehensive detector in tunnel |
| CN113310425A (en) * | 2021-05-20 | 2021-08-27 | 中国科学院武汉岩土力学研究所 | Method and equipment for monitoring overall deformation of shield tunnel |
| CN113404541A (en) * | 2021-06-29 | 2021-09-17 | 陕西工业职业技术学院 | Tunnel surrounding rock deformation on-line monitoring and early warning system |
| WO2022174592A1 (en) * | 2021-02-22 | 2022-08-25 | 南京派光智慧感知信息技术有限公司 | Real-time tunnel deformation monitoring method and device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1664494A (en) * | 2005-03-23 | 2005-09-07 | 西安交通大学 | Laser dam safety monitoring method |
| CN101458069A (en) * | 2008-12-30 | 2009-06-17 | 中铁二十四局集团福建铁路建设有限公司 | Tunnel wall rock deformation monitoring method and monitoring system thereof |
| CN102967263A (en) * | 2012-12-03 | 2013-03-13 | 中铁大桥局集团武汉桥梁科学研究院有限公司 | Bridge deflection-corner integrated measurement method |
| CN102980516A (en) * | 2012-11-29 | 2013-03-20 | 天津大学 | Double laser beam optical axis collineation alignment method |
| CN103017673A (en) * | 2012-12-26 | 2013-04-03 | 中铁二十四局集团有限公司 | Real-time continuous monitoring alarming method for tunnel surrounding rock deformation |
| JP2014002027A (en) * | 2012-06-18 | 2014-01-09 | Hazama Ando Corp | Method of measuring displacement of space within tunnel |
| CN206037986U (en) * | 2016-08-26 | 2017-03-22 | 招商局重庆交通科研设计院有限公司 | Tunnel surrouding rock deformation monitoring and early warning system |
-
2018
- 2018-12-30 CN CN201811643505.4A patent/CN109373926A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1664494A (en) * | 2005-03-23 | 2005-09-07 | 西安交通大学 | Laser dam safety monitoring method |
| CN101458069A (en) * | 2008-12-30 | 2009-06-17 | 中铁二十四局集团福建铁路建设有限公司 | Tunnel wall rock deformation monitoring method and monitoring system thereof |
| JP2014002027A (en) * | 2012-06-18 | 2014-01-09 | Hazama Ando Corp | Method of measuring displacement of space within tunnel |
| CN102980516A (en) * | 2012-11-29 | 2013-03-20 | 天津大学 | Double laser beam optical axis collineation alignment method |
| CN102967263A (en) * | 2012-12-03 | 2013-03-13 | 中铁大桥局集团武汉桥梁科学研究院有限公司 | Bridge deflection-corner integrated measurement method |
| CN103017673A (en) * | 2012-12-26 | 2013-04-03 | 中铁二十四局集团有限公司 | Real-time continuous monitoring alarming method for tunnel surrounding rock deformation |
| CN206037986U (en) * | 2016-08-26 | 2017-03-22 | 招商局重庆交通科研设计院有限公司 | Tunnel surrouding rock deformation monitoring and early warning system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112268797A (en) * | 2020-10-09 | 2021-01-26 | 武汉威思顿环境***有限公司 | All-round comprehensive detector in tunnel |
| CN112268797B (en) * | 2020-10-09 | 2022-07-19 | 武汉威思顿环境***有限公司 | All-round comprehensive detector in tunnel |
| WO2022174592A1 (en) * | 2021-02-22 | 2022-08-25 | 南京派光智慧感知信息技术有限公司 | Real-time tunnel deformation monitoring method and device |
| US11908121B2 (en) | 2021-02-22 | 2024-02-20 | Nanjing Pioneer Awareness Information Technology Co., Ltd | Conveying manipulator for machining precision parts |
| CN113310425A (en) * | 2021-05-20 | 2021-08-27 | 中国科学院武汉岩土力学研究所 | Method and equipment for monitoring overall deformation of shield tunnel |
| CN113404541A (en) * | 2021-06-29 | 2021-09-17 | 陕西工业职业技术学院 | Tunnel surrounding rock deformation on-line monitoring and early warning system |
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