CN107916683A - A kind of device and method for monitoring the underground space and line track lateral soil movement and sedimentation - Google Patents
A kind of device and method for monitoring the underground space and line track lateral soil movement and sedimentation Download PDFInfo
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- CN107916683A CN107916683A CN201610817145.XA CN201610817145A CN107916683A CN 107916683 A CN107916683 A CN 107916683A CN 201610817145 A CN201610817145 A CN 201610817145A CN 107916683 A CN107916683 A CN 107916683A
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- deformation
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
Abstract
The present invention discloses a kind of device and method for monitoring the underground space and line track lateral soil movement and sedimentation, which includes：Deformation measuring device（2）, data collecting system, aggregation of data processing（Calculate）System and public radio network communication launcher etc..Wherein deformation measuring device（2）Including moveable hinge（4）, displacement sensor（7）, angular transducer（8）, steel wire（9）, screw thread extension bar（10）, data cable（11）And sensor protection box（12）, end telescopic device（13）.Measuring method is from construction area farther out and the less region of deformation sets fixing piece（1）It is as a reference point, connect two fixing pieces with steel wire and tense, deformation measuring device（2）Position and quantity determine that one end is attached to steel wire as needed（9）On, the other end is contacted with the earth, passes through angular transducer（8）Registration monitor lateral deformation, pass through displacement sensor（7）The change of registration monitors sedimentation and deformation.
Description
Technical field
The present invention relates to civil engineering, particularly a kind of foundation pit periphery soil body, magnetic levitation track, high-speed railway rail and subway tunnel
Periphery lateral soil movement and the monitoring device and its measuring method of sedimentation, belong to technical field of civil engineering.
Background technology
There are a large amount of excavation of foundation pit, piling and hypogee structure construction in urban infrastructure construction at present.Greatly
Construction site periphery, which can also exist, in most cases largely needs existing building to be protected, and hypogee structure construction and foundation pit are opened
Also the security and stability of periphery existing building can be influenced during digging, while foundation pit itself can be produced there is also stability requirement when serious
Raw serious accident.Subway construction is more in urban construction at present, and subway tunnel driving can cause soil lateral pressure around
Change, and then cause sidesway and the sedimentation of the periphery soil body, so as to influence ride comforts such as magnetic levitation track, high-speed railway rail and durable
Property, can seriously influence magnetic float or high ferro railroad embankment safety.Excavation of foundation pit, piling and hypogee structure construction can cause existing
Subway tunnel produces sidesway and sedimentation and deformation, seriously influences whether tunnel normal use.How to select effectively reliable sedimentation and
Lateral deformation monitoring method is monitored and has caused to the foundation pit periphery soil body, magnetic levitation track, high-speed railway rail and subway tunnel
The great concern of the technical field.The general foundation pit periphery soil body, magnetic levitation track, high-speed railway rail and subway tunnel periphery soil body prison
Survey uses personal monitoring, expends a large amount of manpowers, it is impossible to round-the-clock real-time continuous monitoring.The present invention can be with automatic monitor for continuously foundation pit
The sedimentation and lateral deformation of the periphery soil body, magnetic levitation track, high-speed railway rail and the subway tunnel periphery soil body, and there is very high essence
Degree, there is very strong Practical meaning.
The content of the invention
It is an object of the invention to provide a kind of foundation pit periphery soil body, magnetic levitation track, high-speed railway rail and subway tunnel periphery
Lateral soil movement and the measuring device and its measuring method of sedimentation, can be with the continuous automatic measurement foundation pit periphery soil body, magnetic levitation track, height
Rail road and subway tunnel periphery lateral soil movement and sedimentation and deformation.The device solves the foundation pit periphery soil body, magnetic levitation track, high rail
Road and subway tunnel periphery lateral soil movement are difficult to the problem of continuous accurate measurement.
The technical solution of the present invention is as follows：
1st, a kind of monitoring foundation pit periphery soil body, magnetic levitation track, high-speed railway rail and subway tunnel periphery lateral soil movement and the dress of sedimentation
Put, including：Data collecting system, aggregation of data processing（Calculate）System and public radio network communication launcher, it is special
Sign is：The data collecting system includes deformation measuring device, data collecting instrument, data transmission device, wherein deformation is surveyed
Amount device includes moveable hinge（4）, displacement sensor（7）, angular transducer（8）, screw thread extension bar（10）, data cable（11）, sensing
Device protecting box（12）And end telescopic device（13）.
2nd, the displacement sensor（7）, it is characterised in that：The displacement sensor（7）Be stay wire sensor or
Laser displacement gauge etc..
3rd, the angular transducer（8）, it is characterised in that：The angular transducer（8）Be obliquity sensor or
Gyroscope etc..
4th, the end telescopic device（13）, it is characterised in that：The end telescopic device（13）There is spiral interface
It can be connected with the screw thread extension bar of deformation measuring device, while this end telescopic device can freely stretch and is equipped with inside
Displacement sensor（7）；Telescopic device lower end is contacted with ground, and top is connected with screw thread extension bar, when when lower part, the soil body settles,
Telescopic device lower end can also move down under the effect of gravity to be contacted so as to which displacement sensor can produce reading all the time with ground, and stretch dress
Package unit top can be also installed on by putting, and deformation measuring device lower end is contacted with ground, whole when when lower part, the soil body settles
Covering device needs to move down under the effect of gravity so that telescopic displacement occurs for telescopic device, the displacement sensor meeting in telescopic device
Measure sedimentation deformation.
5th, a kind of monitoring foundation pit periphery soil body, magnetic levitation track, high-speed railway rail and the subway tunnel periphery lateral soil movement
With the device of sedimentation, it is characterised in that：As desired by screw thread extension bar（10）Some deformation measuring devices are connected survey
Measure sidesway and sedimentation.
6th, the deformation measuring device is to the measuring method of the foundation pit periphery soil body, its feature is in the case where the measuring method includes
Row step：
1）Before excavation pit, fixing piece is set being influenced smaller foundation pit periphery corner by soil deformation（1）As measurement foundation pit
The reference point of deformation, uses steel wire between fixing piece（9）It is connected and tenses；
2）Bore vertical core and use mud off or steel in the position measured according to needed for measurement needs the soil body selection below steel wire
Manage and protect the modes such as wall and ensure that hole wall does not block, pore size must be such that deformation measuring device is put into, and the depth in hole is according to measurement
The needs of scope are selected.3）Assemble deformation measuring device by live actual height requirement, the length of steel wire and vertical core bottom away from
From by one end of deformation measuring device installed in the steel wire tightened（9）On, deformation measuring device can freely turn using steel wire as axis
Dynamic, the other end is placed in vertical core, and flexible glue protection of pipe is used in outside during placement；It is small-scale in view of that may occur at reference point
Deformation, to make result more controllable precise, fixing piece is set influencing farther place from soil deformation（1）As measurement foundation pit deformation
Datum mark, and be connected with reference point with displacement sensor, to monitor the sidesway of reference point, if using steel pipe dado, it is necessary to
After deformation measuring device is installed in place, steel pipe is pulled out；
4）Data collecting system is connected, by gathering the angular transducer in deformation measuring device（8）The corner change of generation
To calculate the sidesway of the soil body, by gathering the displacement sensor in deformation measuring device（7）Registration change and calculate the soil body
Sedimentation, while by gathering the displacement sensor of connection datum mark and reference point（7）Registration, obtain the sidesway of reference point；
5）Handled using aggregation of data（Calculate）System obtains sedimentation and the sidesway of the surveyed foundation pit periphery soil body.
7th, the deformation measuring device is to the measuring method of magnetic levitation track periphery soil deformation, its feature is in the measurement side
Method comprises the following steps：
1）Excavation of foundation pit or tunnel piercing etc. are carried out near existing magnetic levitation track or high-speed railway rail shadow is produced to magnetic levitation track
When ringing, especially, when underground utilities or subway tunnel cross magnetic levitation track, high-speed railway rail, in track and influence between source
And less position setting fixing piece is influenced close to the position of track and on the soil body（1）Ginseng as monitoring magnetic levitation track deformation
Examination point, uses steel wire between fixing piece（9）It is connected and tenses；
2）Remaining step is identical with monitoring foundation pit step.
8th, the deformation measuring device is to the measuring method of subway tunnel perimeter soil deformation, its feature is in the measurement side
Method comprises the following steps：
1）Existing tunnel perimeter there are excavation of foundation pit, piling or hypogee structure construction when being had an impact to tunnel,
Peripheral position between tunnel and influence source and close to tunnel and less position is influenced on the soil body fixing piece is set（1）As
The reference point of tunnel deformation deformation is monitored, steel wire is used between fixing piece（9）It is connected and tenses；
2）Remaining step is identical with monitoring foundation pit step.
9th, deformation measurement method is to be monitored by measuring deformation measuring device because lateral soil movement changes the corner that produces
The lateral deformation of foundation pit, track, tunnel, it is characterised in that can be by measuring deformation measuring device because of foundation pit, track and tunnel
Periphery soil deformation and the corner that produces changes to monitor soil lateral, stretch position by measure deformation measuring device lower part
Displacement sensor registration changes to monitor the sedimentation of the soil body, and vertical corner and displacement pass through angular transducer respectively（8）Passed with displacement
Sensor（7）Obtain.The algorithm of specific measurement lateral deformation is as follows：
The registration that obliquity sensor saves at the i-th moment n-th in record deformation measuring device, re-record at the jth moment n-th
The registration of section, with reference to the length of the n-th section deformation measuring device, can obtain lateral at the section of i, j period (n+1)th position
Deformation：
D can similarly be obtainedij,n, by dij,nAbove formula is substituted into, by interative computation to dij,1（The d under fixing situationij,1=0), can obtain
To the lateral deformation of the foundation pit periphery soil body of any time any position.
Measuring the algorithm that the foundation pit periphery soil body settles is
In formula,Refer to the inclination angle that m section deformation measuring devices are inscribed during i,Refer to that jth moment m saves deformation measurement
The inclination angle of device, LmIt is the length of m section deflection devices,Refer to displacement sensor（7）Registration.
10th, according to the deformation measurement method measurement foundation pit periphery soil body, magnetic levitation track, high-speed railway rail and the ground described in 6,7,8
The sedimentation of the iron tunnel perimeter soil body and the datum mark of sidesway, it is characterised in that：Take a little, make deforming smaller even zero region
For the datum mark of the measuring system.
The technology of the present invention effect is as follows：
The measuring method and its device practicality and high efficiency of the present invention, can reliably solve excavation of foundation pit and other constructions etc. and bring very much
Near the sidesway that is brought because its neighbouring subway tunnel tunnels etc. of the sidesway of the soil body and settlement monitoring inside region, magnetic levitation track with
Settlement monitoring and subway tunnel are because of the sidesway that neighbouring excavation pit, piling or hypogee structure construction etc. are brought and sedimentation prison
The technical problem of survey, and can realize that continuous automatic measurement improves the real-time of measurement monitoring, it is wireless by wired or connection
Network real-time broadcasting measurement data, reduces security incident incidence.
Brief description of the drawings
The deformation measurement top view of Fig. 1 foundation pits periphery soil body
The deformation measurement front view of Fig. 2 foundation pits periphery soil body
Fig. 3 need to protect around magnetic levitation track or high-speed railway rail that there are track periphery soil deformation during construction infection source, need to be protected to survey
Measure top view
Fig. 4 need to protect around magnetic levitation track or high-speed railway rail that there are track periphery soil deformation during construction infection source, need to be protected to survey
Measure front view
Fig. 5 need to protect the track periphery soil body when building subway and passing through when construction tunnel and need to protect magnetic levitation track or high-speed railway rail
Deformation measurement top view
Fig. 6 need to protect the track periphery soil body when building subway and passing through when construction tunnel and need to protect magnetic levitation track or high-speed railway rail
Deformation measurement front view
The existing subway that Fig. 7 need to be protected is when tunnel nearby has construction to do source, the soil deformation measurement top view of tunnel perimeter
The existing subway that Fig. 8 need to be protected is when tunnel nearby has construction to do source, the soil deformation measurement front view of tunnel perimeter
Fig. 9 deformation measuring device schematic diagrames
Figure 10 deformation measuring device unit detail drawings
Figure 11 ends telescopic device detail drawing
Figure 12 laterally with sedimentation deformation survey calculation schematic diagram
Description of symbols in figure：1-fixing piece；2-deformation measuring device；3-foundation pile；4-moveable hinge；5-foundation pit periphery branch
Fender pile；6-foundation pit；7-displacement sensor；8-angular transducer；9-steel wire；10-screw thread extension bar；11-data cable；12—
Sensor protection box；13-end telescopic device；14-flexible rubber hose
Embodiment
With reference to the accompanying drawings and examples to the monitoring foundation pit periphery soil body, magnetic levitation track, high-speed railway rail and the ground of the present invention
The iron tunnel perimeter soil body is lateral and sedimentation and deformation method is described further.
Embodiment 1：The soil deformation measurement of foundation pit periphery
As shown in the figure, in urban construction, excavation pit periphery generally there are existing building, and there are stability in itself for excavation pit
Problem, processing is bad to produce safety issue.Also there is influence to neighboring buildings in excavation pit.Therefore, it is necessary to excavating base
Cheat periphery and carry out continuous monitoring.Monitoring step is as follows：
The first step, as shown in Figure 1, before excavation pit, in foundation pit（6）Corner by soil deformation influenced smaller part set fixing piece
（1）As the reference point of measurement soil deformation, fixing piece（1）Between use steel wire（9）It is connected and tenses.In this step can be with
Farther from setting fixing piece at deformation effect ground（1）As datum mark, with reference point displacement sensor and steel wire（9）
It is connected and tenses monitors the sidesway of amendment reference point；Fig. 1 is the deformation measurement top view of the foundation pit periphery soil body；
Second step, the deformation measuring device for assembling corresponding height is actually needed by scene（2）, and by one end of deformation measuring device
Installed in the steel wire tightened（9）On, deformation measuring device（2）It can be freely rotated by axis of steel wire.The soil body below steel wire
Vertical core is bored, pore size must make deformation measuring device（2）It can be put into, the depth in hole is selected according to the needs of measurement range.Will
Deformation measuring device（2）It is placed in flexible rubber hose, then by deformation measuring device（2）With flexible rubber hose（14）It is put into togerther in hole,
Make deformation measuring device（2）End telescopic device（13）Just contacted with bottom hole；Arranged as stated above according to monitoring needs
Some deformation measuring devices（2）, as shown in Figure 2.
3rd step, connects data collecting system, by gathering deformation measuring device（2）Middle angular transducer（8）Produce
Corner change to calculate the sidesway of the soil body；By gathering deformation measuring device（2）Middle displacement sensor（7）Registration change with
Angular transducer（8）The corner of generation changes to calculate the sedimentation of the soil body；
4th step, is handled using aggregation of data（Calculate）System obtains the settling amount and amount of side-shift of the surveyed foundation pit periphery soil body.
Embodiment 2：Magnetic levitation track or high-speed railway rail periphery the soil deformation measurement that need to be protected
During urban infrastructure, existing magnetic float or high-speed railway rail by excavation pit, driving tunnel or build other undergrounds
Structure has an impact original soil body, so as to will have periphery, magnetic floats or high ferro circuit bridge pier produces to survey and moves and settle, by
This influences whether that magnetic floats or the normal operation of high ferro circuit.Monitoring step is as follows：
The first step, in magnetic levitation track or high-speed railway rail bridge pier（6）Influence to take reference point outside less scope and set fixing piece
（1）, fixing piece（1）Between use steel wire（9）It is connected, and tenses, is floated as shown in figure 3, Fig. 5 crosses magnetic specifically for subway work tunnel
When circuit or high ferro circuit, the deformation monitoring top view of magnetic levitation track or the high-speed railway rail periphery soil body；
Second step, is needed to assemble deformation measuring device by on-site actual situations（2）And reserved data line（11）, deformation measurement is filled
Put（2）One end be installed on the steel wire tightened（9）On, deformation measuring device（2）It can be freely rotated by axis of steel wire.In steel wire
（9）The soil body drilling of lower section, pore size must make deformation measuring device（2）It can be put into.The depth in hole is according to measurement range
Need to select.By deformation measuring device（2）It is vertically disposed in hole, deformation measuring device（2）Length be equal to hole depth.Will
Deformation measuring device（2）It is placed in flexible rubber hose, then by deformation measuring device（2）With flexible rubber hose（14）It is put into togerther in hole,
Make deformation measuring device（2）End telescopic device（13）Just contacted with bottom hole；According to monitoring needs by above-mentioned on steel wire
Method arranges some deformation measuring devices, to monitor the sidesway of magnetic levitation track or the high-speed railway rail periphery soil body and sedimentation, such as Fig. 4 institutes
Show, when Fig. 6 crosses magnetic flotation line road or high ferro circuit specifically for subway work tunnel, magnetic levitation track or the high-speed railway rail periphery soil body
Deformation monitoring front view；
3rd step, connects data collecting system, by gathering angular transducer in deformation measurement casing（8）The corner of generation becomes
Change to calculate the sidesway of magnetic levitation track or the high-speed railway rail periphery soil body, by gathering deformation measuring device（2）Middle displacement sensor
（7）With angular transducer（8）Registration change to calculate the sedimentation of magnetic levitation track or the high-speed railway rail periphery soil body.
4th step, is handled using aggregation of data（Calculate）System obtains surveyed magnetic levitation track or high-speed railway rail the periphery soil body
Sidesway and sedimentation and deformation curve.
Embodiment 3：The tunnel perimeter such as built subway that need to be protected soil deformation measures
During urban development, the tunnel such as built subway top and periphery build house or all can in constructions such as periphery piling
The tunnels such as built subway are had an impact, are deformed subway tunnel, it is necessary to and sedimentation lateral to the subway tunnel perimeter soil body
Deformation continuously monitors, so as to ensure subway circulation safety.Monitoring step is as follows：
The first step, circumferentially descends building structure construction when being had an impact to tunnel, in tunnel in excavation of foundation pit or subway tunnel
Less position setting fixing piece is influenced between road and influence source and close to the position in tunnel and on the soil body（1）, fixing piece
（1）Between use steel wire（9）It is connected, and tenses, as shown in Figure 7；
Second step, is needed to assemble deformation measuring device by on-site actual situations（2）And reserved data line（11）, deformation measurement is filled
Put（2）One end be installed on steel wire（9）On, deformation measuring device（2）It can be freely rotated by axis of steel wire.In steel wire（9）Under
The soil body drilling of side, pore size must make deformation measuring device（2）It can be put into.The depth in hole needs to select according to measurement range
It is fixed.By deformation measuring device（2）It is vertically disposed in hole, deformation measuring device（2）Length be equal to hole depth.Deformation is surveyed
Measure device（2）It is placed on flexible rubber hose（14）In, then by deformation measuring device（2）With flexible rubber hose（14）It is put into togerther in hole, makes
Deformation measuring device（2）End telescopic device（13）Just contacted with bottom hole；On steel wire above-mentioned side is pressed according to monitoring needs
Method arranges some deformation measuring devices, to monitor the sidesway of the tunnel perimeter soil bodys such as the built subway that need to be protected and sedimentation, such as Fig. 8
It is shown；
3rd step, connects data collecting system, by gathering deformation measurement（2）Middle angular transducer（8）The corner of generation becomes
Change to calculate the side-move distortion in tunnel, and by gathering, displacement sensor in deformation measuring device（7）With angular transducer（8）
Corner change to calculate the sedimentation and deformations of the tunnel perimeter soil bodys such as the built subway that need to be protected.
4th step, is handled using aggregation of data（Calculate）System obtain the tunnel laterals such as the built subway that need to be protected deformation and
Sedimentation and deformation curve.
Above example, deformation measuring device detail drawing is as schemed（9）（10）（11）, figure（12）For deformation measurement schematic diagram.
Claims (10)
1. a kind of device and method for monitoring the underground space and line track lateral soil movement and sedimentation, main to include monitoring foundation pit week
The side soil body, magnetic levitation track, high-speed railway rail and subway tunnel periphery lateral soil movement and sedimentation, device include：Data collecting system, number
According to integrated treatment（Calculate）System and public radio network communication launcher, it is characterised in that：The data acquisition system
System includes deformation measuring device, data collecting instrument, data transmission device, and wherein deformation measuring device includes moveable hinge（4）, displacement
Sensor（7）, angular transducer（8）, screw thread extension bar（10）, data cable（11）, sensor protection box（12）And end is stretched
Device（13）.
2. displacement sensor according to claim 1（7）, it is characterised in that：The displacement sensor（7）It is that bracing wire passes
Sensor or laser displacement gauge etc..
3. angular transducer according to claim 1（8）, it is characterised in that：The angular transducer（8）It is that inclination angle passes
Sensor or gyroscope etc..
4. end telescopic device according to claim 1（13）, it is characterised in that：The end telescopic device（13）Have
Spiral interface can be connected with the screw thread extension bar of deformation measuring device, at the same this end telescopic device can freely stretch and
Inside is equipped with displacement sensor（7）, when telescopic displacement occurs for telescopic device, displacement sensor can be allowed to produce registration；Flexible dress
Put lower end to contact with ground, when when lower part, the soil body settles, telescopic device lower end can also move down under the effect of gravity and ground
All the time contact can measure displacement so as to displacement sensor, and telescopic device can also be installed on package unit top, fill deformation measurement
Put lower end to contact with ground, when when lower part, the soil body settles, package unit needs to move down under the effect of gravity so that flexible
Telescopic displacement occurs for device, and the displacement sensor in telescopic device can measure sedimentation deformation.
5. a kind of monitoring foundation pit periphery soil body, magnetic levitation track, high-speed railway rail and subway tunnel periphery according to claim 1
Lateral soil movement and the device of sedimentation, it is characterised in that：According to needing by screw thread extension bar for test depth scope（10）Some
Deformation measuring device connects fathom in the range of each test point sidesway and sedimentation.
6. using the deformation measuring device described in claim 1 to the measuring method of the foundation pit periphery soil body, its feature is in the measurement
Method comprises the following steps：
1）Before excavation pit, from excavation of foundation pit farther out and soil deformation less foundation pit periphery corner set fixing piece（1）
As the reference point of measurement foundation pit deformation, steel wire is used between fixing piece（9）It is connected and tenses；
2）Bore vertical core and use mud off or steel in the position measured according to needed for measurement needs the soil body selection below steel wire
Manage and protect the modes such as wall and ensure that hole wall does not block, pore size requirement makes deformation measuring device to be put into, and the depth in hole is according to survey
Amount scope needs selected 3）Assemble deformation measuring device by live actual height requirement, the length of steel wire and vertical core bottom away from
From by one end of deformation measuring device installed in the steel wire tightened（9）On, deformation measuring device can freely turn using steel wire as axis
Dynamic, the other end is placed in vertical core, and outside is protected with hose during placement；In view of small-scale change may occur at reference point
Shape, to make result more controllable precise, fixing piece is set influencing farther place from soil deformation（1）As measurement foundation pit deformation
Datum mark, and be connected with reference point with displacement sensor, to monitor the sidesway of reference point, if using steel pipe dado, it is necessary to become
After shape measuring device is installed in place, steel pipe is pulled out；
4）Data collecting system is connected, by gathering the angular transducer in deformation measuring device（8）The corner change of generation
To calculate the sidesway of the soil body, by gathering the displacement sensor in deformation measuring device（7）Registration change and calculate the soil body
Sedimentation, while by gathering the displacement sensor of connection datum mark and reference point（7）Registration, obtain the sidesway of reference point；
5）Handled using aggregation of data（Calculate）System obtains sedimentation and the sidesway of the surveyed foundation pit periphery soil body.
7. measuring method of the deformation measuring device described in claim 1 to magnetic levitation track or the high-speed railway rail periphery soil body is utilized,
Its feature comprises the following steps in the measuring method：
1）Excavation of foundation pit or tunnel piercing etc. are carried out near existing magnetic levitation track or high-speed railway rail to magnetic levitation track or high ferro
When track has an impact, especially, when the underground utilities or subway tunnel that need to construct cross magnetic levitation track or high-speed railway rail,
Less position setting fixing piece is influenced between track and influence source and close to the position of track and on the soil body（1）As prison
The reference point of magnetic levitation track or high-speed railway rail deformation is surveyed, steel wire is used between fixing piece（9）It is connected and tenses；
2）Remaining step is identical with monitoring foundation pit step.
8. measuring method of the deformation measuring device described in claim 1 to the established tunnel such as subway periphery soil deformation is utilized,
Its feature comprises the following steps in the measuring method：
1）Are produced from the tunnels such as subway there are excavation of foundation pit, piling or hypogee structure construction etc. in tunnel perimeters such as built subways
During raw influence, between tunnel and influence source, close to the position in tunnel, along tunnel direct of travel two, and in the soil body by shadow
Ringing source influences less position setting fixing piece（1）As the reference point of monitoring tunnel perimeter soil deformation, used between fixing piece
Steel wire（9）It is connected and tenses；
2）Remaining step is identical with monitoring foundation pit step.
9. produced according to the deformation measurement method described in right 6,7,8 by measuring deformation measuring device because of lateral soil movement
Corner changes to monitor the lateral deformation in foundation pit, track, tunnel, it is characterised in that can be by measuring deformation measuring device because of base
Hole, track and tunnel perimeter soil deformation and the corner that produces changes to monitor soil lateral, by measuring deformation measurement
The change of displacement sensor registration is stretched to monitor the sedimentation of the soil body in device lower part, and vertical corner and displacement pass through angle sensor respectively
Device（8）And displacement sensor（7）The algorithm for obtaining measurement lateral deformation is as follows：
The registration that obliquity sensor saves at the i-th moment n-th in record deformation measuring device, re-record and saved at the jth moment n-th
Registration, with reference to the length of the n-th section deformation measuring device, can obtain the lateral deformation at the section of i, j period (n+1)th position：
D can similarly be obtainedij,n, by dij,nAbove formula is substituted into, by interative computation to dij,1（The d under fixing situationij,1=0), can obtain
Any time algorithm of lateral deformation measurement foundation pit periphery soil body sedimentation of the foundation pit periphery soil body of any position is
In formula,Refer to the inclination angle that m section deformation measuring devices are inscribed during i,Refer to jth moment m section deformation measurement dresses
The inclination angle put, LmIt is the length of m section deflection devices,Refer to displacement sensor（7）Registration.
10. the deformation measurement method measurement foundation pit periphery soil body, magnetic levitation track, high-speed railway rail and ground according to right 6,7,8
The sedimentation of the iron tunnel perimeter soil body and the datum mark of sidesway, it is characterised in that：Taken a little deforming smaller or even without deformation region,
Datum mark as the measuring system.
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| CN201610817145.XA CN107916683A (en) | 2016-10-09 | 2016-10-09 | A kind of device and method for monitoring the underground space and line track lateral soil movement and sedimentation |
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| CN201610817145.XA CN107916683A (en) | 2016-10-09 | 2016-10-09 | A kind of device and method for monitoring the underground space and line track lateral soil movement and sedimentation |
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2016
- 2016-10-09 CN CN201610817145.XA patent/CN107916683A/en active Pending
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| CN113008181A (en) * | 2021-03-18 | 2021-06-22 | 桂林电子科技大学 | Soil motion gesture monitoring box |
| CN113008181B (en) * | 2021-03-18 | 2022-02-11 | 桂林电子科技大学 | Soil motion gesture monitoring box |
| CN113186997A (en) * | 2021-05-20 | 2021-07-30 | 马盼 | Multi-point position measuring device for foundation pit settlement detection |
| CN113295301A (en) * | 2021-05-25 | 2021-08-24 | 广东电网有限责任公司惠州供电局 | Soil stress monitoring device |
| CN114111708A (en) * | 2021-11-15 | 2022-03-01 | 天津大学 | Soil deformation monitoring device and system and using method thereof |
| CN116222499A (en) * | 2023-05-11 | 2023-06-06 | 中铁五局集团电务工程有限责任公司 | Tunnel crossing existing railway deformation monitoring equipment and method |
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