CN113587985A - Steel cable type roadway surrounding rock convergence monitoring device and monitoring method - Google Patents
Steel cable type roadway surrounding rock convergence monitoring device and monitoring method Download PDFInfo
- Publication number
- CN113587985A CN113587985A CN202110828972.XA CN202110828972A CN113587985A CN 113587985 A CN113587985 A CN 113587985A CN 202110828972 A CN202110828972 A CN 202110828972A CN 113587985 A CN113587985 A CN 113587985A
- Authority
- CN
- China
- Prior art keywords
- measuring point
- steel cable
- pulley
- connecting line
- ith
- 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
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 49
- 239000010959 steel Substances 0.000 title claims abstract description 49
- 238000012544 monitoring process Methods 0.000 title claims abstract description 34
- 239000011435 rock Substances 0.000 title claims abstract description 31
- 238000012806 monitoring device Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000000126 substance Substances 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 5
- 238000004364 calculation method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
Abstract
The invention discloses a steel cable type roadway surrounding rock convergence monitoring device and a monitoring method, wherein the steel cable type roadway surrounding rock convergence monitoring device comprises a steel cable, a tensioning device, pulleys and an inclination angle sensor, wherein a plurality of measuring points are arranged on the inner wall of a roadway, the pulleys are correspondingly arranged on the measuring points, one end of the steel cable is fixed, the other end of the steel cable is connected with the tensioning device, the steel cable is sequentially attached to the pulleys on the measuring points, the inclination angle sensor is arranged corresponding to the measuring points, and the inclination angle sensor detects the included angle of the steel cable on the corresponding measuring points; the invention has reliable data, uses the tilt sensor, has higher precision and more reliable acquired data; the work efficiency is improved, the personnel requirement is reduced, compared with the traditional method, the data reading operation is easy to master, the work of later-stage personnel on-site data acquisition is effectively reduced, and the work efficiency is improved.
Description
Technical Field
The invention relates to the technical field of roadway detection, in particular to a steel cable type roadway surrounding rock convergence monitoring device and method.
Background
In recent years, accidents caused by surrounding rock disasters occur frequently in various underground resource exploitation and underground public facilities in China, and the surrounding rock disasters become important factors influencing safe production and public facilities. In order to ensure the stability of surrounding rocks of a roadway and prevent the occurrence of surrounding rock accidents from influencing personal safety accidents, the conventional mine generally adopts roadway excavation and then immediate supporting, and the tunnel excavation and then immediate lining are performed, so that the monitoring on the deformation, displacement and stress of the surrounding rocks and the tunnel supporting is more and more emphasized, and meanwhile, the requirements on the accuracy, reliability and online monitoring capability of the monitoring are higher and higher.
However, the existing monitoring technology for surrounding rocks of mine roadways and tunnels has a special purpose or strong equipment dependence, and basically belongs to the traditional safety monitoring technical means. Although strain gauge type force measuring metal rods, hydraulic type metal rod force measuring meters, digital display convergence meters and the like have different advantages, the most important problem is that the data monitored by the devices only has data with single purpose. Meanwhile, the devices adopt manual intermittent observation and collection, the monitoring result is lagged, and the obtained data has larger error.
In addition, the equipment can carry out roadway convergence measurement work only by pulling a measuring ruler or other monitoring tools among measuring points, and the monitoring tools such as the measuring ruler and the like traverse the roadway, so that the passing of personnel and vehicles in the roadway is influenced during monitoring.
In view of the above-mentioned drawbacks, the inventors of the present invention have finally obtained the present invention through a long period of research and practice.
Disclosure of Invention
In order to solve the technical defects, the invention adopts the technical scheme that a steel cable type roadway surrounding rock convergence monitoring device is provided, and the steel cable type roadway surrounding rock convergence monitoring device comprises a connecting line, a tensioning device, pulleys and an inclination angle sensor, wherein a plurality of measuring points are arranged on the inner wall of a roadway, the pulleys are correspondingly arranged on the measuring points, one end of the connecting line is fixed, the other end of the connecting line is connected with the tensioning device, the connecting line is sequentially attached to the pulleys on the measuring points, the inclination angle sensor is arranged corresponding to each measuring point, and the inclination angle sensor detects the included angle of the connecting line on the corresponding measuring point.
Preferably, the inclination angle sensor detects an included angle between the connecting line and the vertical straight line on the corresponding measuring point.
Preferably, the connecting wire corresponds the pulley all is provided with and introduces section, laminating section and draws forth the section, the connecting wire by introduce the section to the pulley extends and makes laminating section with the pulley laminating contact and by introduce the section and keep away from the pulley extends and draws forth, tilt angle sensor connects two cantilevers, the tip of cantilever is provided with the guide wheel, two the guide wheel laminate respectively in introduce the section with draw forth on the section.
Preferably, a rotation sensor is arranged on the pulley and used for detecting the rotation angle of the pulley.
Preferably, the steel cable type roadway surrounding rock convergence monitoring device further comprises a temperature sensor for detecting the temperature in the roadway.
Preferably, a monitoring method of the steel cable type roadway surrounding rock convergence monitoring device includes:
the first measuring point and the ith measuring point … are sequentially arranged on the inner wall of the roadway, one end of the connecting line is fixedly arranged on the first measuring point, the other end of the connecting line is fixedly connected with the tensioning device, the connecting line is sequentially attached to the pulley on the ith measuring point of the second measuring point …, and coordinates of other measuring points are detected in real time by taking the first measuring point as a reference point, so that the convergence state of the surrounding rock of the roadway is monitored.
Preferably, during monitoring, the coordinate formula of the ith measuring point is as follows:
wherein the content of the first and second substances,
the abscissa of the ith measuring point is;
is the ordinate of the ith measuring point;
the abscissa of the (i-1) th measuring point;
the ordinate of the (i-1) th measuring point;
the distance between the ith measuring point and the (i-1) th measuring point during monitoring is measured;
is the included angle between the connecting line on the (i-1) th measuring point and the vertical straight line.
Preferably, for the 1 st station, there are:
wherein
Is the included angle between the connecting lines at the two sides of the ith measuring point.
For the 2 nd and subsequent stations, there are:
wherein the content of the first and second substances,
and
and the angle change value of the connecting line on two sides of the pulley is the angle change value of the connecting line when the ith measuring point is subjected to relative displacement.
Preferably, the angle changes of the cantilever at the two sides of the pulley measured by the tilt angle sensor are respectively
And
wherein f is an angle proportionality coefficient.
Preferably, the distance between the ith measuring point and the (i-1) th measuring point during monitoring
The calculation formula of (2) is as follows:
wherein r is the radius of the pulley,
the initial distance between the ith measuring point and the (i-1) th measuring point when the measuring point is installed;
the rotation angle of the pulley on the ith measuring point during monitoring is measured;
the rotation angle of the pulley on the (i-1) th measuring point during monitoring is obtained.
Compared with the prior art, the invention has the beneficial effects that: the invention has reliable data, uses the tilt sensor, has higher precision and more reliable acquired data; 2, the working efficiency is improved, the personnel requirements are reduced, compared with the traditional method, the data reading operation is easy to master, the work of acquiring data on site by later personnel is effectively reduced, and the working efficiency is improved; 3, the cost performance is high, the device has simple components, low cost and good economical efficiency, and simultaneously ensures high precision; 4, the traditional roadway convergence monitoring device such as a convergence ruler can only monitor 2-point displacement each time, and the roadway convergence monitoring device can simultaneously obtain convergence change values of a plurality of measuring points on the surface of the roadway surrounding rock; 5, the traditional roadway convergence monitoring device is such as a convergence ruler, a steel cable and other measuring tools need to traverse the roadway, personnel and equipment passing in the roadway is seriously influenced, and the roadway convergence monitoring device monitors that the steel cable is arranged along the surface of surrounding rock of the roadway, so that the influence on personnel and material transportation in the roadway is small; and 6, the number of the measuring points of the monitoring device is not limited, and the number of the measuring points can be flexibly determined according to monitoring requirements.
Drawings
Fig. 1 is a schematic structural view of the steel cable type roadway surrounding rock convergence monitoring device;
FIG. 2 is a schematic structural diagram of the measuring point;
FIG. 3 is a schematic coordinate diagram of the monitoring method;
fig. 4 is a schematic detection diagram of the tilt sensor.
The figures in the drawings represent:
1-measuring points; 2-a steel cord; 3-a tensioning device; 4-a pulley; 5-a tilt sensor; 6-cantilever; 7-guide wheel.
Detailed Description
The above and further features and advantages of the present invention are described in more detail below with reference to the accompanying drawings.
Example one
As shown in fig. 1 and 2, fig. 1 is a schematic structural diagram of the cable type roadway surrounding rock convergence monitoring device; FIG. 2 is a schematic structural diagram of the measuring point.
The steel cable type roadway surrounding rock convergence monitoring device comprises a steel cable 2, a tensioning device 3, pulleys 4 and an inclination angle sensor 5, wherein a plurality of measuring points 1 are arranged on the inner wall of a roadway, the pulleys 4 are correspondingly arranged on the measuring points 1, the end part of the steel cable 2 is connected with the tensioning device 3, one end of the steel cable 2 is fixed, the other end of the steel cable 2 is connected with the tensioning device 3, the steel cable 2 is sequentially attached to the pulleys 4 on the measuring points 1, the inclination angle sensor 5 is arranged corresponding to each measuring point 1, and the inclination angle sensor 5 detects the included angle of the steel cable 2 on the corresponding measuring point 1.
The steel cable 2 is provided with an introducing section, a fitting section and a leading-out section corresponding to the pulleys 4, the steel cable 2 extends from the introducing section to the pulleys 4 to enable the fitting section to be in fitting contact with the pulleys 4 and to be far away from the pulleys 4 to extend and be led out, the tensioning device 3 ensures that the steel cable 2 is tensioned to realize the tight fitting of the steel cable 2 and the pulleys 4, and the inclination angle sensor 5 is arranged corresponding to the introducing section and the leading-out section at the positions of the pulleys 4.
Specifically, the tilt sensor 5 is connected with two cantilevers 6, guide wheels 7 are arranged at the end portions of the cantilevers 6, and the two guide wheels 7 are respectively attached to the leading-in section and the leading-out section. When the angle of the steel cable 2 changes, the cantilever 6 can be driven to rotate, and the inclination angle sensor 5 can measure the rotation angle of the cantilever 6, so that the inclination angle change of the steel cable 2 can be calculated.
Preferably, a rotation angle sensor is arranged on the pulley 4 and used for detecting the rotation angle of the pulley 4.
Preferably, the steel cable type roadway surrounding rock convergence monitoring device further comprises a temperature sensor for detecting the temperature in the roadway to calibrate errors caused by temperature changes.
When the roadway is converged and deformed, the relative positions of the measuring points 1 are changed, and the tensioning device 3 pulls the steel cable 2 to drive the pulley 4 to rotate. And finally, calculating the coordinate of each measuring point 1 by measuring the rotation angle of the pulley 4 on each measuring point 1 and the measuring inclination angle of the inclination angle sensor 5 and calculating the inclination angle of each section of the steel cable 2 according to the rotation angle and the measuring inclination angle.
According to the invention, the coordinates of each measuring point 1 can be obtained through calculation only by reading the rotation angle of the pulley 4 and the measured angle of the tilt sensor 5, so that environmental interference, artificial subjective error and operation error in data reading are eliminated, and the precision is high.
By adopting the steel cable 2, the device is more stable, is not easy to be damaged by environmental influence, is more universal in applicable environment and can be used for a long time.
The device has few components, is convenient to install and read, and reduces the labor intensity of operators.
Example two
As shown in fig. 3, fig. 3 is a schematic coordinate diagram of the monitoring method.
The invention discloses a monitoring method of a steel cable type roadway surrounding rock convergence monitoring device, which comprises the following steps:
a first measuring point P is sequentially arranged on the inner wall of the tunnel1A second measurement point P2… test point iiOne end of the steel cable 2 is fixedly arranged at the first measuring point P1The other end of the upper part is fixedly connected with the tension device 3, and the steel cable 2 is sequentially connected with the second measuring point P2… at the i-th measurement point PiThe pulley 4 is arranged in a fitting manner, and the first measuring point P1And detecting coordinates of other measuring points 1 in real time as reference points, thereby realizing monitoring of the convergence state of the surrounding rock of the roadway.
The inclination angle sensor 5 detects the included angle between the steel cable and the vertical straight line on the corresponding measuring point 1
Specifically, the steel cable forms an included angle with the vertical straight line on the ith measuring point
The (i + 1) th and the (i) th measuring points.
Specifically, during monitoring, the coordinate formula of the ith measuring point 1 is as follows:
wherein the content of the first and second substances,
the abscissa of the ith measuring point 1 is;
is the ordinate of the ith measuring point 1;
the abscissa of the (i-1) th measuring point 1 is shown;
is the ordinate of the (i-1) th measuring point 1;
the distance between the ith measuring point 1 and the (i-1) th measuring point 1 during monitoring is obtained;
is the included angle between the steel cable 2 and the vertical straight line on the (i-1) th measuring point 1.
As shown in fig. 4, fig. 4 is a schematic detection diagram of the tilt sensor.
For the 1 st of said stations 1, there are:
wherein
Is the included angle between the steel ropes at the two ends of the ith measuring point.
For the 2 nd and subsequent stations, there are:
wherein the content of the first and second substances,
and
the angle change value of the steel cable 2 on two sides of the pulley 4 is the angle change value when the ith measuring point is subjected to relative displacement.
When the angle of the steel cable 2 on both sides of the pulley 4 changes, the guide wheels 7 on both sides of the pulley 4 are driven to move from A, B positions to a 'position and a' position respectively, so that the cantilever 6 is caused to deflect, and the rotating angle of the cantilever is detected by the tilt angle sensor 5.
The angle changes of the cantilever 6 at the two sides of the pulley 4 measured by the tilt angle sensor 5 are respectively
And
wherein the content of the first and second substances,
and
f is an angle proportionality coefficient, and is an angle measured by the angle sensor 5 corresponding to the ith measuring point.
The distance between the ith measuring point 1 and the (i-1) th measuring point 1 during monitoring
The calculation formula of (2) is as follows:
wherein r is the radius of the pulley 4,
the initial distance between the ith measuring point 1 and the (i-1) th measuring point 1 during the mounting of the measuring point;
the rotation angle of the pulley 4 on the ith measuring point 1 during monitoring is measured;
the rotation angle of the pulley 4 on the (i-1) th measuring point 1 is monitored.
The foregoing is merely a preferred embodiment of the invention, which is intended to be illustrative and not limiting. It will be understood by those skilled in the art that various changes, modifications and equivalents may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A steel cable type roadway surrounding rock convergence monitoring device is characterized by comprising a connecting line, a tensioning device, pulleys and an inclination angle sensor, wherein a plurality of measuring points are arranged on the inner wall of a roadway, the pulleys are correspondingly arranged on the measuring points, one end of the connecting line is fixed, the other end of the connecting line is connected with the tensioning device, the connecting line is sequentially attached to the pulleys on the measuring points, the inclination angle sensor is arranged corresponding to the measuring points, and the inclination angle sensor detects the included angle of the connecting line on the measuring points.
2. The steel cable type roadway surrounding rock convergence monitoring device of claim 1, wherein the tilt angle sensor detects an included angle between the connecting line and a vertical straight line on the corresponding measuring point.
3. The steel cable type roadway surrounding rock convergence monitoring device as claimed in claim 2, wherein the connecting line is provided with an introduction section, a fitting section and a leading-out section corresponding to the pulley, the connecting line extends from the introduction section to the pulley so that the fitting section is in fitting contact with the pulley and is led out by the leading-in section away from the pulley in an extending manner, the inclination angle sensor is connected with two cantilevers, guide wheels are arranged at end portions of the cantilevers, and the two guide wheels are respectively fitted on the introduction section and the leading-out section.
4. The steel cable type roadway surrounding rock convergence monitoring device as claimed in claim 3, wherein a rotation sensor is arranged on the pulley and used for detecting a rotation angle of the pulley.
5. The cable roadway surrounding rock convergence monitoring device of claim 4, further comprising a temperature sensor for detecting temperature in the roadway.
6. A monitoring method of the steel cable type roadway surrounding rock convergence monitoring device as claimed in claim 4 or 5, characterized by comprising the following steps:
the first measuring point and the ith measuring point … are sequentially arranged on the inner wall of the roadway, one end of the connecting line is fixedly arranged on the first measuring point, the other end of the connecting line is fixedly connected with the tensioning device, the connecting line is sequentially attached to the pulley on the ith measuring point of the second measuring point …, and coordinates of other measuring points are detected in real time by taking the first measuring point as a reference point, so that the convergence state of the surrounding rock of the roadway is monitored.
7. The monitoring method according to claim 6, wherein the coordinate formula of the ith measuring point during monitoring is as follows:
wherein the content of the first and second substances,
the abscissa of the ith measuring point is;
is the ordinate of the ith measuring point;
the abscissa of the (i-1) th measuring point;
the ordinate of the (i-1) th measuring point;
the distance between the ith measuring point and the (i-1) th measuring point during monitoring is measured;
is the included angle between the connecting line and the vertical straight line on the ith 1 measuring point.
8. The method of monitoring of claim 7, wherein for station 1 there is:
wherein
Is the included angle between the connecting lines at the two sides of the ith measuring point.
For stations 2 and beyond:
wherein the content of the first and second substances,
and
and the angle change value of the connecting line on two sides of the pulley is the angle change value of the connecting line when the ith measuring point is subjected to relative displacement.
9. The method according to claim 8, wherein the change of the cantilever angle on both sides of the pulley measured by the tilt sensor at the ith measuring point is respectively
And
wherein f is an angle proportionality coefficient.
10. The method of claim 7, wherein the distance between the ith said measurement point and the (i-1) th said measurement point is monitored
The calculation formula of (2) is as follows:
wherein r is the radius of the pulley,
the initial distance between the ith measuring point and the (i-1) th measuring point when the measuring point is installed;
the rotation angle of the pulley on the ith measuring point during monitoring is measured;
the rotation angle of the pulley on the (i-1) th measuring point during monitoring is obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110828972.XA CN113587985A (en) | 2021-07-21 | 2021-07-21 | Steel cable type roadway surrounding rock convergence monitoring device and monitoring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110828972.XA CN113587985A (en) | 2021-07-21 | 2021-07-21 | Steel cable type roadway surrounding rock convergence monitoring device and monitoring method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113587985A true CN113587985A (en) | 2021-11-02 |
Family
ID=78249328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110828972.XA Pending CN113587985A (en) | 2021-07-21 | 2021-07-21 | Steel cable type roadway surrounding rock convergence monitoring device and monitoring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113587985A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225262A (en) * | 2018-01-04 | 2018-06-29 | 重庆市勘测院 | Tunnel cross-section settlement measuring device, system and method based on submillimeter displacement sensor |
| CN113405435A (en) * | 2021-05-14 | 2021-09-17 | 陕西飞机工业有限责任公司 | Measuring method for rapidly detecting pulley steel cable offset |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006162539A (en) * | 2004-12-10 | 2006-06-22 | Tadashi Hashimoto | System and method for measuring displacement |
| CN102914250A (en) * | 2012-11-22 | 2013-02-06 | 长沙理工大学 | Peripheral displacement monitoring and measuring system during tunnel construction |
| CN203443579U (en) * | 2013-09-05 | 2014-02-19 | 中铁上海工程局有限公司 | Tunnel convergence monitoring system based on single side drift method |
| CN104807431A (en) * | 2015-04-25 | 2015-07-29 | 东北大学 | Underground roadway convergence and deformation continuous monitoring device |
| CN205262453U (en) * | 2015-12-31 | 2016-05-25 | 威海晶合数字矿山技术有限公司 | Monitoring devices is warp in tunnel convergence |
| CN107478370A (en) * | 2017-08-23 | 2017-12-15 | 铜陵市力凡自动化设备有限责任公司 | The monitoring device and method of a kind of overall roadway displacement, strain stress |
| CN108489449A (en) * | 2018-02-02 | 2018-09-04 | 河南理工大学 | A kind of measuring system and method for continuously monitoring tunnel convergence |
| CN110186420A (en) * | 2019-05-22 | 2019-08-30 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A kind of tunnel cross section convergence deformation auto-monitoring system |
| CN110318795A (en) * | 2019-04-23 | 2019-10-11 | 安徽理工大学 | A kind of coal mine roadway deformation characteristics of rocks combination monitoring system and monitoring method |
| US20210017861A1 (en) * | 2019-07-19 | 2021-01-21 | Tongji University | Method for inspecting service performance of tunnel lining based on defect characteristics thereof |
-
2021
- 2021-07-21 CN CN202110828972.XA patent/CN113587985A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006162539A (en) * | 2004-12-10 | 2006-06-22 | Tadashi Hashimoto | System and method for measuring displacement |
| CN102914250A (en) * | 2012-11-22 | 2013-02-06 | 长沙理工大学 | Peripheral displacement monitoring and measuring system during tunnel construction |
| CN203443579U (en) * | 2013-09-05 | 2014-02-19 | 中铁上海工程局有限公司 | Tunnel convergence monitoring system based on single side drift method |
| CN104807431A (en) * | 2015-04-25 | 2015-07-29 | 东北大学 | Underground roadway convergence and deformation continuous monitoring device |
| CN205262453U (en) * | 2015-12-31 | 2016-05-25 | 威海晶合数字矿山技术有限公司 | Monitoring devices is warp in tunnel convergence |
| CN107478370A (en) * | 2017-08-23 | 2017-12-15 | 铜陵市力凡自动化设备有限责任公司 | The monitoring device and method of a kind of overall roadway displacement, strain stress |
| CN108489449A (en) * | 2018-02-02 | 2018-09-04 | 河南理工大学 | A kind of measuring system and method for continuously monitoring tunnel convergence |
| CN110318795A (en) * | 2019-04-23 | 2019-10-11 | 安徽理工大学 | A kind of coal mine roadway deformation characteristics of rocks combination monitoring system and monitoring method |
| CN110186420A (en) * | 2019-05-22 | 2019-08-30 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A kind of tunnel cross section convergence deformation auto-monitoring system |
| US20210017861A1 (en) * | 2019-07-19 | 2021-01-21 | Tongji University | Method for inspecting service performance of tunnel lining based on defect characteristics thereof |
Non-Patent Citations (1)
| Title |
|---|
| 唐彬: "TBM施工煤矿深埋硬岩巷道围岩稳定性分析及工程应用", 采矿与安全工程学报, pages 260 - 264 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225262A (en) * | 2018-01-04 | 2018-06-29 | 重庆市勘测院 | Tunnel cross-section settlement measuring device, system and method based on submillimeter displacement sensor |
| CN108225262B (en) * | 2018-01-04 | 2023-11-03 | 重庆市勘测院 | Method for monitoring settlement of tunnel section based on submillimeter displacement sensor |
| CN113405435A (en) * | 2021-05-14 | 2021-09-17 | 陕西飞机工业有限责任公司 | Measuring method for rapidly detecting pulley steel cable offset |
| CN113405435B (en) * | 2021-05-14 | 2023-06-23 | 陕西飞机工业有限责任公司 | Measuring method for rapidly detecting deflection of pulley steel cable |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107478370B (en) | Device and method for monitoring displacement and strain stress of whole roadway | |
| CN113587985A (en) | Steel cable type roadway surrounding rock convergence monitoring device and monitoring method | |
| CN206157570U (en) | Take detecting system's light -duty carbon fiber to climb all alone robot | |
| CN106400850B (en) | A kind of foundation sedimentation monitoring system | |
| CN204175286U (en) | For monitoring the drilling well inclination measurement device of sliding mass strata displacement | |
| CN108489449B (en) | Measuring system and method for continuously monitoring tunnel convergence | |
| CN106959248A (en) | A kind of concrete sample damage Crack Detection experimental rig and test method | |
| CN108280969A (en) | A kind of high slope surface deformation monitoring and warning system and its method for early warning | |
| CN106483149B (en) | Line-rail type self-driven tunnel lining nondestructive testing system and method thereof | |
| AU2021103747A4 (en) | Deep Displacement Monitoring Device and Method | |
| CN113187485B (en) | Bicycle type measuring equipment for tunnel surveying and using method | |
| CN105043611B (en) | A kind of swelled ground lateral swelling force in-situ testing device | |
| CN107036522B (en) | Device and method for measuring vertical displacement of water structure of middle-span and small-span bridge | |
| CN211452821U (en) | Device for calibrating drilling pressure and torque of downhole drilling tool | |
| CN115451914A (en) | Fixed inclinometer adapting to large deformation of soil body | |
| CN110618191A (en) | Metal magnetic memory detection device suitable for steel wire rope | |
| CN203672311U (en) | Landslide deep displacement monitoring system | |
| CN102944221B (en) | System for automatically monitoring vertical displacement of operation track | |
| CN206223694U (en) | A kind of self-driven tunnel-liner nondestructive detection system of line rail | |
| CN111637845B (en) | Distributed optical fiber torsion measuring device and method | |
| CN211553607U (en) | Integrated self-balancing load box | |
| CN109974778B (en) | Measuring method of inclination measuring and torsion measuring integrated intelligent inclinometer device | |
| CN109853640B (en) | Operation method of load box underwater displacement sensor | |
| WO2021000342A1 (en) | Apparatus for continuously measuring soil parameters of large-scale soft soil site | |
| CN208568029U (en) | A kind of underground water level measurement device |
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 |