CN113701706B - Tunnel deformation monitoring optical fiber testing method and system - Google Patents
Tunnel deformation monitoring optical fiber testing method and system Download PDFInfo
- Publication number
- CN113701706B CN113701706B CN202110957905.8A CN202110957905A CN113701706B CN 113701706 B CN113701706 B CN 113701706B CN 202110957905 A CN202110957905 A CN 202110957905A CN 113701706 B CN113701706 B CN 113701706B
- Authority
- CN
- China
- Prior art keywords
- monitoring
- foundation pit
- water pressure
- surrounding soil
- main control
- 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.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/06—Non-electrical signal transmission systems, e.g. optical systems through light guides, e.g. optical fibres
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
Landscapes
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Soil Sciences (AREA)
- Analytical Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention discloses a tunnel deformation monitoring optical fiber testing method and system, which comprise a data transmission system, a step distance monitoring and measuring system, a foundation pit surrounding soil pressure monitoring system, a water pressure monitoring system and a video acquisition system, wherein data information monitored by the step distance monitoring and measuring system, the foundation pit surrounding soil pressure monitoring system and the water pressure monitoring system is transmitted to a main control center through the data transmission system, and then data analysis is carried out through the main control center. And comparing the acquired data with an initial set threshold value (namely, within an error range) one by one, and when the parameter information identified by any system exceeds the set threshold value, sending out an early warning notification of tunnel deformation, so that the monitoring range of tunnel deformation identification is improved, the identification rate of monitoring is improved, and the tunnel deformation early warning condition is controlled more accurately.
Description
Technical Field
The invention belongs to the technical field of tunnel engineering safety monitoring, and particularly relates to a tunnel deformation monitoring optical fiber testing method and system.
Background
Tunnels are used as underground construction engineering in the existing foundation construction and are divided into traffic tunnels, hydraulic tunnels, municipal tunnels, mine tunnels and the like according to different use purposes.
After the tunnel is excavated, the surrounding rock is deformed in various forms due to the stress release of an initial ground stress field, such as vault sinking, surrounding rock extrusion on two sides, bottom bulge, tunnel face extrusion and the like, and the surrounding rock is easily loosened due to the deformation, and collapse or instability and the like are caused when the deformation or the relaxation of the surrounding rock exceeds a certain range.
In order to ensure construction safety, in the tunnel construction process, deformation conditions of the tunnel need to be detected in real time in the construction process, even a plurality of data such as position change, water seepage change and water pressure change around surrounding rocks need to be collected in time, most of the data are detected by digital monitoring equipment at present, but different data lack in time analysis capability, for example, larger water seepage occurs in a controllable range of surrounding rock position change, unnecessary surrounding rock deformation danger is also caused, and the data need to be processed in time. The current monitoring means is single, and the specific deformation condition of the tunnel can not be detected and identified from a plurality of data
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a tunnel deformation monitoring optical fiber testing method and system, which solve the technical problems in the prior art.
The aim of the invention can be achieved by the following technical scheme:
the tunnel deformation monitoring optical fiber testing system comprises a data transmission system, a step distance monitoring and measuring system, a foundation pit surrounding soil pressure monitoring system, a water pressure monitoring system and a video acquisition system,
the step distance monitoring and measuring system comprises: through the synergistic effect of the laser sensor and the angle sensor, the two safety steps of the hedron and the inverted arch can be measured simultaneously, and the measured data information is transmitted to the main control center through the data transmission system;
the foundation pit surrounding soil pressure monitoring system comprises: the system is used for monitoring the pressure value change of surrounding soil around the tunnel foundation pit and transmitting the monitored data information to a main control center through a data transmission system;
the water pressure monitoring system comprises: the water pressure sensors are arranged at different heights in the same foundation pit, the water pressure in the foundation pit is detected in real time, then the change conditions of the medium water pressure sensors at different heights are transmitted in real time, and data information is transmitted to the main control center through the data transmission system;
the video acquisition system consists of a plurality of video shooting modules, and enables the video shooting modules to display the conditions in the whole tunnel in real time, form video stream information and transmit the video stream information to the main control center through the data transmission system;
and the main control center monitors tunnel deformation according to information collected by the step distance monitoring and measuring system, the foundation pit surrounding soil pressure monitoring system, the water pressure monitoring system and the video collecting system, and sends deformation early warning information in real time.
Furthermore, the step distance monitoring and measuring system measures the distance error <0.1 meter, the angle error <0.1 meter and the comprehensive error <0.3 meter in a laser measuring mode.
Further, the foundation pit surrounding soil pressure monitoring system: punching along the direction of the opening of the foundation pit in the tunnel, positioning surrounding soil around the foundation pit along the surrounding soil of the foundation pit, recording the coordinates of the positioned marking points as standard references, photographing at the same angle at intervals, and comparing the position change of the marking points in each period of time.
Further, be provided with water pressure detector and temperature detector in the water pressure monitoring system, through multiunit water pressure detector detects the water pressure condition of the interior not co-altitude of foundation ditch, temperature detector detects the real-time temperature in the foundation ditch simultaneously.
Further, the data transmission system uploads the monitored data to a main control center in the form of an electric signal through an A/D converter, the main control center restores the electric signal into a test digital signal, and the restored digital signal is stored in a database;
the test digital signals provided by various monitoring systems are subjected to signal comparison through the comprehensive monitoring platform, the compared results are analyzed, judgment is made, and meanwhile, staff are informed of processing in time.
Furthermore, the foundation pit surrounding soil pressure monitoring system is provided with a surrounding soil pressure filtering module, and pressure changes around the surrounding soil of the foundation pit caused by artificial damage are filtered; the water pressure monitoring system is provided with a water pressure filtering module, and the water pressure filtering module is used for filtering water pressure changes caused by external water injection in the foundation pit.
Furthermore, independent power supply systems are adopted among the step distance monitoring and measuring system, the foundation pit surrounding soil pressure monitoring system, the water pressure monitoring system and the video acquisition system for power supply operation.
The tunnel deformation monitoring optical fiber testing method comprises the following steps:
s1, monitoring and measuring the safe steps of a regular surface and an inverted arch by a step distance monitoring and measuring system, monitoring the pressure value of surrounding soil around a tunnel foundation pit by a foundation pit surrounding soil pressure monitoring system, detecting the numerical changes of water pressure and water temperature in the foundation pit by a water pressure monitoring system, converting digital information into electric signals, and transmitting the electric signals to a main control center by a data transmission system;
s2, converting the electric signals collected by the monitoring systems received by the main control center into digital signals, and simultaneously, independently outputting the information collected by each monitoring system, comparing the information with an initial set threshold value one by one, and when the monitored digital information is within the range of the initial set threshold value, not sending out a prompt and forwarding the digital signals to the comprehensive monitoring platform; when the monitored digital information exceeds the threshold range which is originally set, immediately sending out a prompt through an externally connected alarm device;
s3, when the comprehensive monitoring platform receives the digital signals, the signals collected by each monitoring system are compared in pairs, meanwhile, the compared signals are transmitted to a comparison module in the comprehensive monitoring platform, the comparison module carries out secondary comparison on the collected signals to a preset value, when the collected signals exceed the preset value, a prompt is sent out through an external alarm device, and otherwise, no prompt is sent out.
The invention has the beneficial effects that:
1. the whole system is used for respectively detecting physical change parameter acquisition caused by deformation in the tunnel through a distance monitoring and measuring system, a foundation pit surrounding soil pressure monitoring system and a water pressure monitoring system. And comparing the acquired data with an initial set threshold value (namely, within an error range) one by one, and when the identified parameter information shown by any system exceeds the set threshold value, sending out an early warning notification of tunnel deformation, thereby improving the monitoring range of tunnel deformation identification.
2. In the method adopted by the system, when the detected data is compared one by one, the initial threshold value set by each independent system is not exceeded, the parameters are compared pairwise, so that the misjudgment condition of the whole system is reduced, the data between the monitoring measuring system, the foundation pit surrounding soil pressure monitoring system and the water pressure monitoring system are integrated, the monitoring recognition rate is improved, and the tunnel deformation early warning condition is controlled more accurately.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.
FIG. 1 is a schematic diagram of the overall flow structure of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a control architecture of an embodiment of the present invention;
fig. 3 is a schematic diagram of the overall structure of a step monitoring measurement system according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 and fig. 2, the embodiment of the invention provides a tunnel deformation monitoring optical fiber testing system, which comprises a data transmission system, a step monitoring and measuring system, a foundation pit surrounding soil pressure monitoring system, a water pressure monitoring system, a video acquisition system and a main control center.
As shown in fig. 3, the stride monitoring measurement system: through the synergistic effect of the laser sensor and the angle sensor, the two safety steps of the autoplane and the inverted arch can be measured simultaneously, and the measured data information is transmitted to the main control center through the data transmission system. The step distance monitoring and measuring system measures the distance error <0.1 meter, the angle error <0.1 meter and the comprehensive error <0.3 meter in a laser measuring mode. Through the synergistic effect of the laser sensor and the angle sensor, the two safety steps of the ordinary face and the inverted arch can be measured simultaneously, and the measurement cost is reduced.
Foundation ditch surrounding soil pressure monitoring system: punching along the direction of the opening of the foundation pit in the tunnel, positioning surrounding soil around the foundation pit along the surrounding soil of the foundation pit, recording the coordinates of the positioned marked points as standard references, photographing at the same angle at intervals, comparing the position change of the marked points in each period, and transmitting the monitored data information to a main control center through a data transmission system.
And the water pressure monitoring system comprises: the water pressure sensor is arranged at different heights in the same foundation pit, the water pressure in the foundation pit is detected in real time, then the change condition of the medium water pressure sensor at different heights is transmitted in real time, meanwhile, the water pressure monitoring system is also provided with the temperature detector, the real-time temperature in the foundation pit is detected through the temperature detector, and the data information is transmitted to the main control center through the data transmission system.
The video acquisition system consists of a plurality of video shooting modules, and enables the video shooting modules to display the conditions in the whole tunnel in real time, form video stream information and transmit the video stream information to the main control center through the data transmission system; the video stream information is stored in a database, so that the concrete conditions in the tunnel can be observed in real time at a later stage, and the time period can be randomly called.
The main control center monitors tunnel deformation according to information collected by the step distance monitoring and measuring system, the foundation pit surrounding soil pressure monitoring system, the water pressure monitoring system and the video collecting system, and sends deformation early warning information in real time.
The data transmission system uploads the monitored data to the main control center in the form of an electric signal through the A/D converter, the main control center restores the electric signal into a test digital signal, and the restored digital signal is stored in a database;
the test digital signals provided by various monitoring systems are subjected to signal comparison through the comprehensive monitoring platform, the compared results are analyzed, judgment is made, and meanwhile, staff are informed of processing in time.
The foundation pit surrounding soil pressure monitoring system is provided with a surrounding soil pressure filtering module, and pressure changes around the surrounding soil of the foundation pit caused by artificial damage are filtered; the water pressure monitoring system is provided with a water pressure filtering module and filters the water pressure change caused by external water injection in the foundation pit through the water pressure filtering module.
And the step distance monitoring and measuring system, the foundation pit surrounding soil pressure monitoring system, the water pressure monitoring system and the video acquisition system are powered by independent power supply systems.
The tunnel deformation monitoring optical fiber testing method comprises the following steps:
s1, monitoring and measuring the normal sublevel and the inverted arch by a step distance monitoring and measuring system, monitoring the pressure value of surrounding soil around a tunnel foundation pit by a foundation pit surrounding soil pressure monitoring system, detecting the numerical change of water pressure and water temperature in the foundation pit by a water pressure monitoring system, converting digital information into electric signals, and transmitting the electric signals to a main control center through a data transmission system.
S2, converting the electric signals collected by the monitoring systems received by the main control center into digital signals, and simultaneously, independently outputting the information collected by each monitoring system, comparing the information with an initial set threshold value one by one, and when the monitored digital information is within the range of the initial set threshold value, not sending out a prompt and forwarding the digital signals to the comprehensive monitoring platform; when the monitored digital information exceeds the threshold range which is set initially, prompt is sent out by an external alarm device.
S3, when the comprehensive monitoring platform receives the digital signals, the signals collected by each monitoring system are compared in pairs, meanwhile, the compared signals are transmitted to a comparison module in the comprehensive monitoring platform, the comparison module compares the collected signals with a preset value secondarily, when the collected signals exceed the preset value, a prompt is sent out through an external alarm device, and otherwise, no prompt is sent out.
The whole system is used for respectively detecting physical change parameter acquisition caused by deformation in the tunnel through a distance monitoring and measuring system, a foundation pit surrounding soil pressure monitoring system and a water pressure monitoring system. And comparing the acquired data with an initial set threshold value (namely, within an error range) one by one, and sending out an early warning notification of tunnel deformation when the acquired data exceeds the set threshold value.
When the detected data is compared one by one and does not exceed the initial threshold value set by each independent system, the parameters are required to be compared pairwise, so that the misjudgment condition of the whole system is reduced, meanwhile, the data between the distance monitoring measuring system, the foundation pit surrounding soil pressure monitoring system and the water pressure monitoring system are integrated, the monitoring recognition rate is improved, and the tunnel deformation early warning condition is controlled more accurately.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.
Claims (7)
1. The utility model provides a tunnel deformation monitoring optical fiber test system, includes data transmission system, stride monitoring measurement system, foundation ditch surrounding soil pressure monitoring system, water pressure monitoring system, video acquisition system, its characterized in that:
the step distance monitoring and measuring system comprises: through the synergistic effect of the laser sensor and the angle sensor, two safety steps of the hedron and the inverted arch are measured simultaneously, and the measured data information is transmitted to a main control center through a data transmission system;
the foundation pit surrounding soil pressure monitoring system comprises: the system is used for monitoring the pressure value change of surrounding soil around the tunnel foundation pit and transmitting the monitored data information to a main control center through a data transmission system;
the water pressure monitoring system comprises: the water pressure sensors are arranged at different heights in the same foundation pit, the water pressure in the foundation pit is detected in real time, then the change conditions of the medium water pressure sensors at different heights are transmitted in real time, and data information is transmitted to the main control center through the data transmission system;
the video acquisition system consists of a plurality of video shooting modules, and enables the video shooting modules to display the conditions in the whole tunnel in real time, form video stream information and transmit the video stream information to the main control center through the data transmission system;
the main control center monitors tunnel deformation conditions according to information collected by the step distance monitoring and measuring system, the foundation pit surrounding soil pressure monitoring system, the water pressure monitoring system and the video collecting system, and sends deformation early warning information in real time;
the method for monitoring the optical fiber testing system by tunnel deformation comprises the following steps:
s1, monitoring and measuring the safe steps of a regular surface and an inverted arch by a step distance monitoring and measuring system, monitoring the pressure value of surrounding soil around a tunnel foundation pit by a foundation pit surrounding soil pressure monitoring system, detecting the numerical changes of water pressure and water temperature in the foundation pit by a water pressure monitoring system, converting digital information into electric signals, and transmitting the electric signals to a main control center by a data transmission system;
s2, converting the electric signals collected by the monitoring systems received by the main control center into digital signals, and simultaneously, independently outputting the information collected by each monitoring system, comparing the information with an initial set threshold value one by one, and when the monitored digital information is within the range of the initial set threshold value, not sending out a prompt and forwarding the digital signals to the comprehensive monitoring platform; when the monitored digital information exceeds the threshold range which is originally set, immediately sending out a prompt through an externally connected alarm device;
s3, when the comprehensive monitoring platform receives the digital signals, the signals collected by each monitoring system are compared in pairs, meanwhile, the compared signals are transmitted to a comparison module in the comprehensive monitoring platform, the comparison module carries out secondary comparison on the collected signals to a preset value, when the collected signals exceed the preset value, a prompt is sent out through an external alarm device, and otherwise, no prompt is sent out.
2. The tunnel deformation monitoring optical fiber testing system according to claim 1, wherein the step distance monitoring measurement system measures a distance error of <0.1 meter, an angle error of <0.1 meter and a comprehensive error of <0.3 meter by means of laser measurement.
3. The tunnel deformation monitoring fiber optic test system of claim 1, wherein the foundation pit earth pressure monitoring system: and (3) punching along the direction of the opening of the foundation pit in the tunnel, positioning surrounding soil around the foundation pit along the surrounding soil of the foundation pit, recording the coordinates of the positioned marked points as standard references, and photographing at the same angle at intervals.
4. The tunnel deformation monitoring optical fiber testing system according to claim 1, wherein the hydraulic pressure monitoring system is provided with a hydraulic pressure detector and a temperature detector, the hydraulic pressure conditions of different heights in the foundation pit are detected through a plurality of groups of hydraulic pressure detectors, and the temperature detector detects real-time temperature in the foundation pit.
5. The tunnel deformation monitoring fiber test system according to claim 1, wherein the data transmission system uploads the monitored data to the main control center in the form of an electrical signal through the a/D converter to the optical fiber, and the main control center restores the electrical signal to a test digital signal while storing the restored digital signal in the database;
the test digital signals provided by various monitoring systems are subjected to signal comparison through the comprehensive monitoring platform, the compared results are analyzed, judgment is made, and meanwhile, staff are informed of processing in time.
6. The tunnel deformation monitoring optical fiber testing system according to claim 1, wherein the foundation pit surrounding soil pressure monitoring system is provided with a surrounding soil pressure filtering module, and pressure changes occurring around the surrounding soil of the foundation pit due to artificial damage are filtered; the water pressure monitoring system is provided with a water pressure filtering module, and the water pressure filtering module is used for filtering water pressure changes caused by external water injection in the foundation pit.
7. The tunnel deformation monitoring optical fiber testing system according to claim 1, wherein independent power supply systems are adopted for power supply operation among the step monitoring measuring system, the foundation pit surrounding soil pressure monitoring system, the water pressure monitoring system and the video acquisition system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110957905.8A CN113701706B (en) | 2021-08-20 | 2021-08-20 | Tunnel deformation monitoring optical fiber testing method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110957905.8A CN113701706B (en) | 2021-08-20 | 2021-08-20 | Tunnel deformation monitoring optical fiber testing method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113701706A CN113701706A (en) | 2021-11-26 |
| CN113701706B true CN113701706B (en) | 2023-08-04 |
Family
ID=78653845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110957905.8A Active CN113701706B (en) | 2021-08-20 | 2021-08-20 | Tunnel deformation monitoring optical fiber testing method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113701706B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002048675A (en) * | 2000-08-01 | 2002-02-15 | Fujikura Ltd | Optical fiber sensor |
| CN103308027A (en) * | 2012-03-12 | 2013-09-18 | 波音公司 | A method and apparatus for identifying structural deformation |
| CN103852111A (en) * | 2014-03-03 | 2014-06-11 | 天津大学 | Intelligent tunnel monitoring and alarm system based on optical fiber sensing network |
| KR101637414B1 (en) * | 2015-02-04 | 2016-07-08 | 주식회사 이에스피 | Tunnel Structure Ground and Subterranean Water Monitoring Syetem Using UWB RADAR |
| CN107402043A (en) * | 2017-07-24 | 2017-11-28 | 沈阳工业大学 | Half cover and cut method Construction of City Tunnel monitoring method and monitoring system |
| CN109682416A (en) * | 2018-12-19 | 2019-04-26 | 中国地质大学（武汉） | Measure the experimental provision and method of the distribution of tunnel Water And Earth Pressures and tunnel deformation rule |
| CN110145366A (en) * | 2019-05-10 | 2019-08-20 | 山东大学 | A kind of vehicular Tunnel Landslide monitoring and pre-warning system and method |
| CN110220460A (en) * | 2019-06-25 | 2019-09-10 | 中交一公局第四工程有限公司 | A kind of tunnel safety step pitch monitoring measurement device |
| CN112081152A (en) * | 2020-09-30 | 2020-12-15 | 浙大城市学院 | Test device and method for simulating influence of foundation pit excavation on shield tunnel with anti-floating anchor rod |
| CN112177062A (en) * | 2020-09-26 | 2021-01-05 | 福建省华实建设工程有限公司 | Remote intelligent monitoring system and monitoring method for building foundation pit |
| CN112254660A (en) * | 2020-09-14 | 2021-01-22 | 中铁七局集团有限公司 | Tunnel intelligent monitoring and measuring information integration and early warning system |
| CN213181083U (en) * | 2020-10-20 | 2021-05-11 | 胥永涛 | Road and bridge mixes earth structure detection device |
-
2021
- 2021-08-20 CN CN202110957905.8A patent/CN113701706B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002048675A (en) * | 2000-08-01 | 2002-02-15 | Fujikura Ltd | Optical fiber sensor |
| CN103308027A (en) * | 2012-03-12 | 2013-09-18 | 波音公司 | A method and apparatus for identifying structural deformation |
| CN103852111A (en) * | 2014-03-03 | 2014-06-11 | 天津大学 | Intelligent tunnel monitoring and alarm system based on optical fiber sensing network |
| KR101637414B1 (en) * | 2015-02-04 | 2016-07-08 | 주식회사 이에스피 | Tunnel Structure Ground and Subterranean Water Monitoring Syetem Using UWB RADAR |
| CN107402043A (en) * | 2017-07-24 | 2017-11-28 | 沈阳工业大学 | Half cover and cut method Construction of City Tunnel monitoring method and monitoring system |
| CN109682416A (en) * | 2018-12-19 | 2019-04-26 | 中国地质大学（武汉） | Measure the experimental provision and method of the distribution of tunnel Water And Earth Pressures and tunnel deformation rule |
| CN110145366A (en) * | 2019-05-10 | 2019-08-20 | 山东大学 | A kind of vehicular Tunnel Landslide monitoring and pre-warning system and method |
| CN110220460A (en) * | 2019-06-25 | 2019-09-10 | 中交一公局第四工程有限公司 | A kind of tunnel safety step pitch monitoring measurement device |
| CN112254660A (en) * | 2020-09-14 | 2021-01-22 | 中铁七局集团有限公司 | Tunnel intelligent monitoring and measuring information integration and early warning system |
| CN112177062A (en) * | 2020-09-26 | 2021-01-05 | 福建省华实建设工程有限公司 | Remote intelligent monitoring system and monitoring method for building foundation pit |
| CN112081152A (en) * | 2020-09-30 | 2020-12-15 | 浙大城市学院 | Test device and method for simulating influence of foundation pit excavation on shield tunnel with anti-floating anchor rod |
| CN213181083U (en) * | 2020-10-20 | 2021-05-11 | 胥永涛 | Road and bridge mixes earth structure detection device |
Non-Patent Citations (1)
| Title |
|---|
| 隧道施工多元信息预警与安全管理系统研究;叶英;穆千祥;张成平;;岩石力学与工程学报(第05期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113701706A (en) | 2021-11-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205665842U (en) | Optical fiber sensing slope monitoring early warning system | |
| CN102748005B (en) | System for monitoring temperature, stress and deformation of frozen wall of shaft in real time and laying method thereof | |
| CN107424380A (en) | Urban Underground pipe gallery monitoring and warning system and method | |
| CN104613318B (en) | A kind of tunnel interior conduit on-line monitoring method | |
| CN104515500B (en) | High voltage transmission tower monitoring method and system | |
| CN105089701A (en) | Operation tunnel health monitoring and early warning system and method based on distributed optical fiber sensing | |
| CN109459094B (en) | Grating displacement testing system and method based on ten-axis sensor | |
| CN204212809U (en) | A kind of novel intelligent safety for tunnel engineering monitoring system | |
| CN113155186A (en) | Dam safety monitoring management equipment and system thereof | |
| CN112254660B (en) | Tunnel intelligent monitoring and measuring information integration and early warning system | |
| CN205981287U (en) | Bridge, tunnel, piping lane or healthy management system of big dam structure | |
| CN101656114A (en) | Seismic instrument system of nuclear power plant | |
| CN113701706B (en) | Tunnel deformation monitoring optical fiber testing method and system | |
| CN110985125A (en) | Deep well soft coal rock burst disaster monitoring and early warning system and early warning method thereof | |
| CN201017242Y (en) | Foundation pit water level automatic monitoring system | |
| CN117495157A (en) | Coal mine goaf karst tunnel full-period construction characteristic information fusion and quality tracing system | |
| CN203746207U (en) | Wireless early warning system for mud-rock flow calamity | |
| CN206523311U (en) | A kind of metal bellows culvert with pre-warning system for monitoring | |
| CN107065018B (en) | A kind of electrical method observation method for dykes and dams dynamic monitoring | |
| CN104952211A (en) | Debris flow disaster warning method and wireless early warning system thereof | |
| CN114109509B (en) | Coal mine dynamic disaster monitoring and alarming method and monitoring and alarming system | |
| CN203571437U (en) | Intelligent pipeline safety monitoring and early warning system | |
| CN116026400A (en) | Non-contact monitoring data acquisition system for hydraulic engineering construction period | |
| CN212220252U (en) | Railway safety comprehensive monitoring system | |
| CN213518361U (en) | Breakwater inspection system based on distributed optical fibers and unmanned aerial vehicle |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |