CN109470198A - A kind of monitoring method of Deep Soft Rock Tunnel deflection - Google Patents

A kind of monitoring method of Deep Soft Rock Tunnel deflection Download PDF

Info

Publication number
CN109470198A
CN109470198A CN201910027404.2A CN201910027404A CN109470198A CN 109470198 A CN109470198 A CN 109470198A CN 201910027404 A CN201910027404 A CN 201910027404A CN 109470198 A CN109470198 A CN 109470198A
Authority
CN
China
Prior art keywords
inclinometer
soft rock
inclinometer pipe
drilling
sensor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910027404.2A
Other languages
Chinese (zh)
Inventor
罗周全
吴亚斌
张智博
赖伟
秦亚光
文磊
马少维
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Central South University
Original Assignee
Central South University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Central South University filed Critical Central South University
Priority to CN201910027404.2A priority Critical patent/CN109470198A/en
Publication of CN109470198A publication Critical patent/CN109470198A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof in so far as they are not adapted to particular types of measuring means of the preceding groups
    • G01B21/32Measuring arrangements or details thereof in so far as they are not adapted to particular types of measuring means of the preceding groups for measuring the deformation in a solid

Abstract

The invention discloses a kind of monitoring methods of Deep Soft Rock Tunnel deflection, comprising the following steps: 1) drills;2) inclinometer pipe is installed;3) sliding inclinometer is installed;4) acquisition system is connected.Using method of the invention, the deflection for facing sky tunnel face can be measured, the internal displacement of vertical working free face can also be measured simultaneously, can determine reasonable supporting parameter and suitable supporting time with the changing rule of actual response roadway surrounding rock internal displacement.The present invention uses sliding inclinometer sensor and real-time acquisition system automatic collection measurement data, both the deflection for facing sky tunnel face can be measured, the internal displacement of vertical working free face can also be measured simultaneously, it can be with the changing rule of actual response roadway surrounding rock internal displacement creep at any time, therefore, it is obtained for the key parameter real-time and precise of the soft rock roadway support design of deep mining, provides the ideal method of key parameter acquisition for the soft rock roadway support design under different geological conditions.

Description

A kind of monitoring method of Deep Soft Rock Tunnel deflection
Technical field
The invention belongs to technical field of mine safety, and in particular to a kind of monitoring method of Deep Soft Rock Tunnel deflection.
Background technique
High temperature, high pressure, heavily stressed disturbance are often brought in mine deep recovery process, lead to the change of roadway surrounding rock Shape amount increasingly increases, and especially for the soft rock that geological conditions is poor, deflection is even more to be difficult to accurately estimate, and leads to tunnel branch It is bigger to protect difficulty, and since each mining geology condition is different, even if same mine difference middle section tunnel geological conditions is in the presence of poor Different, supporting parameter can not seek unity of standard.Due to the supporting standard parameter that soft rock supporting is not unified, it is necessary to be obtained according to field condition Crucial supporting parameter is taken, and soft rock supporting deflection and deformation time are the fundamental parameters that supporting calculates.Existing monitoring Means mainly use roadway convergence meter, surface displacement meter, mutually indepedent, the big, creep for soft-rock slope amount between each sensor Time is long, and time effect influences big situation and is applicable in the method that effect is poor, partially uses fixed measuring point timing laser measurement, measurement Method is simple and convenient, but can not accomplish real-time measurement, it is thus impossible to accurately obtain the time that deformation occurs, it is difficult to grasp soft Rock gangway road creep time rule, can not provide reasonable foundation to the selection of support pattern and supporting parameter, lead to supporting intensity Deficiency is repeatedly reprocessed or the waste of supporting excess material causes economic loss.
Summary of the invention
The object of the present invention is to provide a kind of prisons of Deep Soft Rock Tunnel deflection that roadway deformation amount can be monitored in real time Survey method solves the problems, such as to be difficult to grasp soft-rock tunnel creep time rule at present.
The monitoring method of this Deep Soft Rock Tunnel deflection of the present invention, comprising the following steps:
1) drill: the driving in tunnel when head choose monitoring point, then tunnel top plate, two help carry out drilling construction;
2) inclinometer pipe is installed: inclinometer pipe being placed in drilling, symmetrical two notches of inclinometer pipe answer vertical working surface It places, other two symmetrical notch is parallel to tunnel surface, then the high pressure water injection silt particle between inclinometer pipe and drilling country rock wall Slurry, makes to form concrete structure around inclinometer pipe, and inclinometer pipe is completely fixed in drilling, then measures inclinometer pipe azimuth and brill Hole aperture coordinate simultaneously records measurement data;
3) sliding inclinometer is installed: sliding inclinometer being installed in inclinometer pipe, the probe of sliding inclinometer is led Take turns holding in the notch of inclinometer pipe, then will probe guide wheel be placed into inclinometer pipe bosom so that in inclinometer bottommost biography Sensor is located at deviational survey bottom of the tube, wherein probe guide wheel vertical working surface direction installation, after the installation is completed, by the number of inclinometer According to line extraction and capped inclinometer pipe;
4) it connects acquisition system: the data line of inclinometer in step 3) being connected with corresponding acquisition system, is being acquired Automatic collection is set in system, every setting time, acquires the angle value that sliding inclinometer measures, then acquisition system according to The angle value measured, is converted into shift value, realizes the real-time monitoring of roadway displacement.
In the step 1), the quantity of drilling is 4~6, and drilling and tunnelling face angle are 45 degree, and drilling depth is 5m, bore diameter 90mm.
In the step 2), the length of inclinometer pipe is 5m, and the diameter of inclinometer pipe is 70mm.
In the step 3), sliding inclinometer includes smart electronics chipset, and it is stainless to be equipped with two groups of probe guide wheels Steel connecting rod, detachable bottom cushion, sensor and universal joint;Stainless steel connecting rod is hollow pipe, internal setting 3 Sensor;It is connected between every two sensor by universal joint;Sensor and smart electronics chipset pass through cable connection;Intelligence Electronic chip group is assemblied in the top of stainless steel connecting rod;Stainless steel connecting rod bottom is fixedly connected with detachable bottom buffering Pad.
The sensor is double-shaft tilt angle 3DMEMS sensor, and the number of sensor is 3, can survey the position of both direction Shifting value;Smart electronics chipset is model JMJL-1021RD;The spacing L of two groups of probe guide wheels is 500mm.
In the step 4), acquisition system is JMZX-32A/AB data collection system, setting time 1min.
In the step 4), sliding inclinometer measures the tiltangleθ 1 and θ 2 of two groups of probe guide wheels, then the portion of connecting rod The horizontal displacement divided can be treated to be Δ i=L/2*sin θ 1+L/2*sin θ 2.
Beneficial effects of the present invention: 1) using method of the invention, can measure the deflection for facing sky tunnel face, can also be with The internal displacement of vertical working free face is measured simultaneously, can be determined with the changing rule of actual response roadway surrounding rock internal displacement Reasonable supporting parameter and suitable supporting time.2) there are several sensors, Mei Gechuan in sliding inclinometer of the invention The accurate time service of sensor, timing acquiring data, data acquiring frequency can be reduced to measurement per minute, reach the effect acquired in real time Fruit, meanwhile, the shift value of time point all the sensors passback can be obtained by accurate time service, for roadway surrounding rock creep When the relationship analysis that influences each other it is particularly significant.3) invention uses sliding inclinometer sensor and real-time acquisition system automatic collection Measurement data can both measure the deflection for facing sky tunnel face, can also measure the internal displacement of vertical working free face simultaneously, It can be with the changing rule of actual response roadway surrounding rock internal displacement creep at any time, therefore, for the soft-rock tunnel of deep mining The key parameter real-time and precise of design of its support obtains, and provides key for the soft rock roadway support design under different geological conditions The ideal method that parameter obtains.
Detailed description of the invention
Schematic side view is arranged in drilling in Fig. 1 the present embodiment;
Schematic front view is arranged in drilling in Fig. 2 the present embodiment;
Scheme of installation in Fig. 3 the present embodiment;
The top view of Fig. 4 the present embodiment scheme of installation;
The structural schematic diagram of sliding inclinometer in Fig. 5 the present embodiment;
Fig. 6 sliding inclinometer is displaced schematic diagram calculation;
Fig. 7 displacement changing curve schematic diagram;Wherein sign represents the both forward and reverse directions of displacement data;
Wherein: 1 tunnel, 2 drillings, 3 inclinometer pipes, 4 concrete, 5 sliding inclinometers, 6 data collection systems, 7 displacements; 8 apertures;9 bottom holes;
31 notches, 51 probe guide wheels, 52, smart electronics chipset, 53 data lines, 54 stainless steel connecting tubes, 55 is detachable Formula bottom bumper pad, 56 sensors, 57 universal joints.
Specific embodiment
Drilling: the driving in tunnel (1) works as head, completes to select monitoring point when slagging tap after sinking and blasting, in top plate, two lateral walls It constructs 5 and drills (2), the distribution of drilling is as illustrated in fig. 1 and 2, has 3 drillings (2) on top plate, two lateral walls respectively have 1 brill Hole (2), drilling (2) and tunnel (1) development end angle are 45 degree, and drilling (2) depth is that 5m (can also be according to wall rock condition or loosening Circle voluntarily selects), drill (2) diameter 90mm.
Inclinometer pipe is installed: inclinometer pipe (3) being installed in drilling, as shown in figure 3, inclinometer pipe (3) bottom is coniform, installation When, symmetrical two notches of inclinometer pipe (3) answer vertical working (1) surface to place, after inclinometer pipe is placed, in inclinometer pipe (3) the high pressure water injection cement mortar between drilling (2) country rock wall makes to form concrete structure (4) around inclinometer pipe (3), inclinometer pipe (3) it is completely fixed in drilling (2), then measures inclinometer pipe azimuth and drilling orifice coordinate and records measurement data.
Assemble sliding inclinometer: the structure of the sliding inclinometer (5) in the present embodiment is as shown in figure 4, include intelligence Energy electronic chip group (52), is equipped with two groups of probe guide wheel (51) stainless steel connecting rods (54), detachable bottom cushion (55), 3 sensors (56) and 2 universal joints (57);Stainless steel connecting rod (54) is hollow pipe, is internally provided with 3 biographies Sensor (56);It is connected between every two sensor (56) by universal joint (57);Sensor (56) and smart electronics chipset (52) pass through cable connection;Smart electronics chipset (52) is assemblied in the top of stainless steel connecting rod (54);Stainless steel connecting rod Bottom is fixedly connected with detachable bottom cushion (5-5).The overall length of 3 sensors (56) and universal joint (57) is 700mm, The spacing L of two groups of probe guide wheels is 500mm.The sensor (56) is 3DMEMS sensor, has 3D-MEMS in the sensor The silicon capacitive sensing element of inclination angle chip, internal inclination angle chip is made of 3 layers of silicon wafer, forms stereochemical structure, when sensor is sent out When raw inclination, certain side is inclined in intermediate mass sector-meeting, so that the capacitor of two sides be made to change, can be reflected accordingly by voltage value Acceleration value convert thereof into change of pitch angle, and then calculate angle value by measuring the variation of static weight acceleration.
Install sliding inclinometer: the installation of sliding inclinometer (5) is as shown in Figure 3 and Figure 5, by sliding inclinometer (5) probe guide wheel (51) holding in the notch (31) of inclinometer pipe (3), then will probe guide wheel (51) to be placed into inclinometer pipe most deep Place, so that the sensor (56) of bottommost is located at deviational survey bottom of the tube in sliding inclinometer, wherein probe guide wheel (51) is vertical Tunnel surface direction installation, after the installation is completed, by sliding inclinometer (5) data line (53) extraction and capped inclinometer pipe.
Acquisition system: the model JMZX-32A/AB data collection system of acquisition system (6) in the present embodiment is connected, it is sliding The data line (53) of dynamic formula inclinometer (5) model JMQJ-7415 shares 4, and wherein red line is power positive line, and black line is electricity Source negative line;White line is the pole connection A, and green line is the pole connection B.Red, the black line of sliding inclinometer (5) are connected to acquisition system The power output end of system (6), white, green line are connected to the RS485 output end of data collection system (6).The power supply of acquisition system (6) Input termination 12V DC power supply, RS485 input terminal are directly connected to the RS485 converter that acquisition system picks out, and setting bus acquires System realizes unattended backstage automatic data collection, and it is primary that every 1 minute acquisition data are arranged in system.
The sensor of inclinometer is passed to by the probe assembly of inclinometer pipe and inclinometer when tunnel deforms, and is then led to It crosses smart electronics chipset to export to data collection system, to realize the real-time monitoring of deflection.
Monitor angle-data and calculate displacement: sliding inclinometer uses automatic data acquisition system (ADAS), when supporting rock mass reaches Inclinometer can be recycled when to stationary phase, continue that it is same that multiple sections also can be set when head recycles in tunnelling section When acquire data, the reliability of monitoring data is improved, according to the supporting parameter of the deformation values of actual measurement modification part and suitable Supporting time.As can be seen from Fig. 6: wherein Δ i is horizontal displacement to Δ i=Lsin θ, and L is the guide wheel normal pitch of gauge head 500mm, Acquisition Instrument can directly read horizontal displacement Δ i.The total level displacement at any place known to i.e. is δ=Σ Δ i.This reality Applying in example two probe guide wheels has connecting rod connection, between a length of L of connecting rod, the inclination angle that two probe guide wheels measure is θ 1, θ 2, then The horizontal displacement of the part of connecting rod can be treated to be Δ i=L/2*sin θ 1+L/2*sin θ 2, using this Computing Principle by monitoring angle Angle value conversion is calculated as shift value.
Analysis on monitoring data: X is acquired by double-shaft tilt angle 3DMEMS sensor, Y-direction is displaced, double-shaft tilt angle 3DMEMS biography Sensor can measure the displacement of both direction in planar range, and generally using being one displacement of synthesis, this uses logical The direction for crossing installation sensor is directly displaced using the both direction measured, the more displacement of actual response tunnel both direction Variation is that the displacement data in direction and the displacement data along the tunnel tunnel Lin Kong are moved towards along tunnel, displacement data combination deviational survey sensing The inclinometer pipe of the installation site and data acquisition time of device, monitoring observes data, compared with original observation data, so that it may The variation of deviational survey amount is found out, each section in inclinometer pipe depth of displacement can be found out, these offsets are deviated with initial observation The deviation for comparing accumulated forms a curve of deviation such as Fig. 7 at any time, respectively corresponds to roadway surrounding rock and moves towards along tunnel The displacement in direction and face the curve relation figure of the displacement and drilling depth in sky tunnel within each time.Judge after explosion The deflection of one time soft-rock tunnel at any time, the real-time deformation rule in after reaction soft rock tunnels and Bracing Process tunnel;It determines Country rock of soft rock roadway plastic failure, rock deformation, deformation time, information is more accurately and timely.Method of the invention can be realized The accurate assurance of the Precise spraying of roadway support parameter, supporting time has important value to Deep Soft Rock Tunnel supporting.

Claims (7)

1. a kind of monitoring method of Deep Soft Rock Tunnel deflection, comprising the following steps:
1) drill: the driving in tunnel when head choose monitoring point, then tunnel top plate, two help carry out drilling construction;
2) inclinometer pipe to be installed: inclinometer pipe is placed in drilling, symmetrical two notches of inclinometer pipe answer vertical working surface to place, Other two symmetrical notch is parallel to tunnel surface, and then the high pressure water injection cement mortar between inclinometer pipe and drilling country rock wall, makes Concrete structure is formed around inclinometer pipe, inclinometer pipe is completely fixed in drilling, then measures inclinometer pipe azimuth and drilling hole Mouth coordinate simultaneously records measurement data;
3) sliding inclinometer is installed: sliding inclinometer being installed in inclinometer pipe, by the probe guide wheel card of sliding inclinometer Set in the notch of inclinometer pipe, then will probe guide wheel be placed into inclinometer pipe bosom so that in inclinometer bottommost sensor Be located at deviational survey bottom of the tube, wherein probe guide wheel vertical working surface direction installation, after the installation is completed, by the data line of inclinometer Extraction and capped inclinometer pipe;
4) it connects acquisition system: the data line of inclinometer in step 3) being connected with corresponding acquisition system, in acquisition system Middle setting automatic collection acquires the angle value that sliding inclinometer measures every setting time, and then acquisition system is according to measuring Angle value, be converted into shift value, realize the real-time monitoring of roadway displacement.
2. the monitoring method of Deep Soft Rock Tunnel deflection according to claim 1, which is characterized in that the step 1) In, the quantity of drilling is 4~6, and drilling and tunnelling face angle are 45 degree, drilling depth 5m, bore diameter 90mm.
3. the monitoring method of Deep Soft Rock Tunnel deflection according to claim 1, which is characterized in that the step 2) In, the length of inclinometer pipe is 5m, and the diameter of inclinometer pipe is 70mm.
4. the monitoring method of Deep Soft Rock Tunnel deflection according to claim 1, which is characterized in that the step 3) In, sliding inclinometer includes smart electronics chipset, is equipped with two groups of probe guide wheel stainless steel connecting rods, detachable bottom Portion's cushion, several sensors and universal joint;Stainless steel connecting rod is hollow pipe, internal that 3 sensors are arranged;Every two It is connected between sensor by universal joint;Sensor and smart electronics chipset pass through cable connection;The assembling of smart electronics chip Top assigned in stainless steel connecting rod;Stainless steel connecting rod bottom is fixedly connected with detachable bottom cushion.
5. the monitoring method of Deep Soft Rock Tunnel deflection according to claim 4, which is characterized in that the sensor For double-shaft tilt angle 3DMEMS sensor, the number of sensor is 3, can survey the shift value of both direction;Smart electronics chipset For model JMJL-1021RD;The spacing L of two groups of probe guide wheels is 500mm.
6. the monitoring method of Deep Soft Rock Tunnel deflection according to claim 1, which is characterized in that the step 4) In, acquisition system is JMZX-32A/AB data collection system, setting time 1min.
7. the monitoring method of Deep Soft Rock Tunnel deflection according to claim 1, which is characterized in that the step 4) In, sliding inclinometer measures the tiltangleθ 1 and θ 2 of two groups of probe guide wheels, then the horizontal displacement of the part of connecting rod can be handled For Δ i=L/2*sin θ 1+L/2*sin θ 2.
CN201910027404.2A 2019-01-11 2019-01-11 A kind of monitoring method of Deep Soft Rock Tunnel deflection Pending CN109470198A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910027404.2A CN109470198A (en) 2019-01-11 2019-01-11 A kind of monitoring method of Deep Soft Rock Tunnel deflection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910027404.2A CN109470198A (en) 2019-01-11 2019-01-11 A kind of monitoring method of Deep Soft Rock Tunnel deflection

Publications (1)

Publication Number Publication Date
CN109470198A true CN109470198A (en) 2019-03-15

Family

ID=65678424

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910027404.2A Pending CN109470198A (en) 2019-01-11 2019-01-11 A kind of monitoring method of Deep Soft Rock Tunnel deflection

Country Status (1)

Country Link
CN (1) CN109470198A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110057331A (en) * 2019-04-26 2019-07-26 中国科学院武汉岩土力学研究所 A kind of tunnel roadway surrounding rock surface and deep soils integrated apparatus and method
CN110530310A (en) * 2019-08-26 2019-12-03 广西交通设计集团有限公司 A kind of deep soil movement monitoring device and method
CN111560992A (en) * 2020-04-02 2020-08-21 中核华纬工程设计研究有限公司 BIM model based container and foundation pit deformation monitoring system and method
CN111577360A (en) * 2020-06-12 2020-08-25 中南大学 Recoverable acquisition instrument for real-time observation of stress characteristic and vibration characteristic of stope surrounding rock and use method
CN112097726A (en) * 2020-09-16 2020-12-18 淮南矿业(集团)有限责任公司 Device and method for measuring expansion deformation of protected layer
CN114018149A (en) * 2021-11-04 2022-02-08 广东工业大学 Vertical direction deformation displacement detection device and detection method thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103742143A (en) * 2014-01-08 2014-04-23 上海大屯能源股份有限公司 Dual-probe detection method of horizontal deformation caused by overburden failure by mining
CN203785651U (en) * 2014-03-26 2014-08-20 基康仪器股份有限公司 Continuous displacement monitoring device and continuous displacement monitoring system
CN104833328A (en) * 2015-04-29 2015-08-12 深圳市北斗云信息技术有限公司 Flexible intelligent inclination measuring rope
CN105091840A (en) * 2015-05-04 2015-11-25 中国地质科学院探矿工艺研究所 Guide-wheel-free clinometer used for measuring displacement of deep part of landslide, and installation method thereof
CN106441224A (en) * 2016-07-01 2017-02-22 上海星陀数据科技有限公司 Fixed clinometer and using method thereof
CN107543515A (en) * 2016-06-28 2018-01-05 湖南科技大学 Double-shaft tilt angle location deep displacement monitor and its application method
CN207936932U (en) * 2017-06-21 2018-10-02 杭州鲁尔物联科技有限公司 A kind of 3 D deformation measuring device and system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103742143A (en) * 2014-01-08 2014-04-23 上海大屯能源股份有限公司 Dual-probe detection method of horizontal deformation caused by overburden failure by mining
CN203785651U (en) * 2014-03-26 2014-08-20 基康仪器股份有限公司 Continuous displacement monitoring device and continuous displacement monitoring system
CN104833328A (en) * 2015-04-29 2015-08-12 深圳市北斗云信息技术有限公司 Flexible intelligent inclination measuring rope
CN105091840A (en) * 2015-05-04 2015-11-25 中国地质科学院探矿工艺研究所 Guide-wheel-free clinometer used for measuring displacement of deep part of landslide, and installation method thereof
CN107543515A (en) * 2016-06-28 2018-01-05 湖南科技大学 Double-shaft tilt angle location deep displacement monitor and its application method
CN106441224A (en) * 2016-07-01 2017-02-22 上海星陀数据科技有限公司 Fixed clinometer and using method thereof
CN207936932U (en) * 2017-06-21 2018-10-02 杭州鲁尔物联科技有限公司 A kind of 3 D deformation measuring device and system

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
李小和: "《路基工程》", 31 December 2015 *
李欣等: "《岩土工程现场监测》", 31 August 2015 *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110057331A (en) * 2019-04-26 2019-07-26 中国科学院武汉岩土力学研究所 A kind of tunnel roadway surrounding rock surface and deep soils integrated apparatus and method
CN110530310A (en) * 2019-08-26 2019-12-03 广西交通设计集团有限公司 A kind of deep soil movement monitoring device and method
CN111560992A (en) * 2020-04-02 2020-08-21 中核华纬工程设计研究有限公司 BIM model based container and foundation pit deformation monitoring system and method
CN111577360A (en) * 2020-06-12 2020-08-25 中南大学 Recoverable acquisition instrument for real-time observation of stress characteristic and vibration characteristic of stope surrounding rock and use method
CN111577360B (en) * 2020-06-12 2021-04-27 中南大学 Use method of recoverable acquisition instrument for real-time observation of stress characteristic and vibration characteristic of stope surrounding rock
CN112097726A (en) * 2020-09-16 2020-12-18 淮南矿业(集团)有限责任公司 Device and method for measuring expansion deformation of protected layer
CN112097726B (en) * 2020-09-16 2021-10-01 淮南矿业(集团)有限责任公司 Device and method for measuring expansion deformation of protected layer
CN114018149A (en) * 2021-11-04 2022-02-08 广东工业大学 Vertical direction deformation displacement detection device and detection method thereof

Similar Documents

Publication Publication Date Title
CN109470198A (en) A kind of monitoring method of Deep Soft Rock Tunnel deflection
CN203848823U (en) Combined type underground deep disaster monitoring device
CN103727911B (en) Assembly type deep soils equipment and system based on MEMS array
CN204479060U (en) A kind of subgrade stability recording geometry
CN102829728A (en) Comprehensive monitoring system for side slope and landslip
CN103018788A (en) Advanced detection device and method for unfavorable geology and rock mass mechanical properties of deep and long tunnels
CN101021570A (en) Non-contact mine ground pressure observing and estimating method
CN108280969A (en) A kind of high slope surface deformation monitoring and warning system and its method for early warning
CN101852078A (en) Electromagnetic distance measurement guide system for double solenoid set during drilling
CN106092042B (en) A kind of application method of the soft soil base sedimentation sensor based on fiber grating sensing technology
CN106959095A (en) Geology internal displacement three-dimension monitor system and its Embedded installation method, measuring method
WO2019196771A1 (en) System and method for measuring deformation of foundation pit
CN101629799B (en) Non-intervisibility high and steep side slope deformation monitoring method and device thereof
CN103994846B (en) Stress field of the surrounding rock distribution tester and method
CN213092515U (en) Landslide monitoring and early warning system based on slope internal stress and strain monitoring
CN109855522A (en) A kind of displacement detection system and method for tunnel space deformation
CN109556524A (en) Fracture width based on Fiber Bragg Grating technology monitors system and method
WO2021027292A1 (en) Roof deformation high precision monitoring and early warning system and method
CN205002729U (en) Underground warp measuring device based on deviational survey and hall effect
WO2022053073A1 (en) Underground three-dimensional displacement measurement system and method based on double mutual inductance equivalent voltage
CN206862331U (en) Geology internal displacement three-dimension monitor system
CN203961957U (en) Wired earth magnetism is with drill guide instrument
CN206740133U (en) Geological deformation stereo observing system
CN209512835U (en) A kind of hydrostatic level wide range multistage series sys-tems
CN109186445B (en) Test equipment for wirelessly monitoring deformation of carbon rock slope surface and application method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20190315

RJ01 Rejection of invention patent application after publication