CN213632152U - Urban deep-buried sewage tunnel health monitoring system - Google Patents
Urban deep-buried sewage tunnel health monitoring system Download PDFInfo
- Publication number
- CN213632152U CN213632152U CN202022348183.XU CN202022348183U CN213632152U CN 213632152 U CN213632152 U CN 213632152U CN 202022348183 U CN202022348183 U CN 202022348183U CN 213632152 U CN213632152 U CN 213632152U
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- sensor
- tunnel structure
- fiber type
- corrosion
- 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
Images
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model discloses a city buries sewage tunnel health monitoring system deeply belongs to engineering monitoring field, include: the system comprises a sensor, an acquisition device, a transmission device and a processor; the sensor comprises an optical fiber type steel bar meter, an optical fiber type concrete strain gauge, an optical fiber type osmotic pressure sensor and an optical fiber type corrosion sensor, and is respectively used for acquiring an internal force signal of the tunnel structure, a sewage pressure signal in the tunnel structure and a corrosion condition signal in the tunnel structure; the acquisition device is respectively connected with each sensor so as to send the acquired sensor signals to the transmission device; the transmission device is connected with the processor to transmit the sensor signals received from the acquisition device to the processor. Through the utility model discloses gather tunnel major structure stress strain and relevant characteristic parameter in the operation period, establish data monitoring platform, develop the real-time supervision of the deep tunnel system major structure health status of sewer line during the operation.
Description
Technical Field
The utility model belongs to engineering monitoring field, more specifically relates to a city buries sewage tunnel health monitoring system deeply.
Background
In the operation period, a considerable proportion of tunnels have lining cracks, water leakage and other disease phenomena, and the tunnel diseases directly influence the service performance of the tunnels, so that the tunnels can not reach the designed service life, and even catastrophic accidents occur.
The current urban sewage tunnel is endless due to major accidents caused by structural failure, and after the sewage tunnel is built and operated, in order to avoid catastrophic accidents, how to adopt advanced monitoring means to realize automatic health monitoring, and the technical problem which needs to be solved urgently at present is to construct an operation-period sewage tunnel health monitoring system which is advanced in technology, reasonable in measure, practical, economical, easy to manage and open and compatible.
SUMMERY OF THE UTILITY MODEL
To the above defect of prior art or improve the demand, the utility model provides a bury sewage tunnel health monitoring system deeply in city develops the real-time supervision of the deep tunnel system major structure health state of sewer line during the operation.
In order to achieve the above object, the utility model provides a city buries sewage tunnel health monitoring system deeply, include: the system comprises a sensor, an acquisition device, a transmission device and a processor;
the sensor comprises an optical fiber type steel bar meter, an optical fiber type concrete strain gauge, an optical fiber type osmotic pressure sensor and an optical fiber type corrosion sensor, wherein the optical fiber type steel bar meter and the optical fiber type concrete strain gauge are used for collecting an internal force signal of a tunnel structure; the optical fiber type osmotic pressure sensor is used for acquiring a sewage pressure signal in the tunnel structure; the optical fiber type corrosion sensor is used for collecting corrosion condition signals in the tunnel structure;
the acquisition device is respectively connected with the optical fiber type reinforcement meter, the optical fiber type concrete strain gauge, the optical fiber type osmotic pressure sensor and the optical fiber type corrosion sensor so as to send acquired internal force signals of the tunnel structure, sewage pressure signals in the tunnel structure and corrosion condition signals in the tunnel structure to the transmission device;
the transmission device is connected with the processor so as to send the internal force signal of the tunnel structure, the sewage pressure signal in the tunnel structure and the corrosion condition signal in the tunnel structure, which are received from the acquisition device, to the processor.
In some optional embodiments, the collecting device comprises a fiber grating demodulator, a photoelectric conversion device and a multifunctional corrosion detector, so as to collect the internal force signal of the tunnel structure and the sewage pressure signal in the tunnel structure from the fiber-optic steel bar gauge, the fiber-optic concrete strain gauge and the fiber-optic osmotic pressure sensor through the fiber grating demodulator and the photoelectric conversion device; and acquiring a corrosion condition signal in the tunnel structure from the optical fiber type corrosion sensor through the multifunctional corrosion detector.
In some alternative embodiments, the fiber grating demodulator, the photoelectric conversion device, and the multifunctional corrosion detector are positioned near a vertical shaft site using a standard monitoring collection box and the site provides a self-contained power supply.
In some optional embodiments, the fiber-optic rebar meter, the fiber-optic concrete strain gauge, the fiber-optic osmotic pressure sensor, and the fiber-optic corrosion sensor are located on a tunnel structure monitoring section.
In some optional embodiments, the system further comprises: the information platform television wall is composed of a plurality of screens and used for displaying the acquired internal force signal of the tunnel structure, the acquired sewage pressure signal in the tunnel structure and the acquired corrosion condition signal in the tunnel structure.
In some optional embodiments, the system further comprises: a core switch;
the core switch is connected with the transmission device and respectively transmits the internal force signal of the tunnel structure, the sewage pressure signal in the tunnel structure and the corrosion condition signal in the tunnel structure, which are received from the transmission device, to the processor, the server and the information platform television wall.
In some optional embodiments, the system further comprises: and the decoding splicing controller is connected with the core switch and the information platform television wall so as to divide and decode each screen in the information platform television wall.
In some alternative embodiments, a pair of the optical fiber type concrete strain gauges, one optical fiber type osmotic pressure sensor and a pair of the optical fiber type steel bar gauges are respectively installed at two lining positions corresponding to the middle part of each pipe piece, and one optical fiber type corrosion sensor is respectively installed at the up-down symmetrical position.
In some optional embodiments, the optical fiber type steel bar meter and the optical fiber type concrete strain gauge are divided into a plurality of loops according to groups, tail fibers at the head end and the tail end of the sensor are connected into different single-core optical fiber loops for standby, and the tail fibers of the outgoing line of the sensor are connected to an optical fiber distribution box; and connecting the outgoing tail fiber of the optical fiber type osmotic pressure sensor to a junction box, sleeving a protective tube after the sensor tail fiber is protected by a heat-shrinkable jacketed pipe for secondary protection, and adopting waterproof and anticorrosion protection for the junction box.
In some optional embodiments, a multi-core single-mode special optical cable is adopted to perform fiber splitting fusion at a distribution box, the optical fiber type reinforcement gauge, the optical fiber type concrete strain gauge and the optical fiber type osmotic pressure sensor are connected in series, loop redundancy is considered during use of the multi-core single-mode special optical cable, fusion splicing is performed at a main distribution box for standby, and a sensor signal transmission channel is added.
Generally, through the utility model discloses above technical scheme who conceives compares with prior art, can gain following beneficial effect:
through establishing sewage tunnel health monitoring system, through the equipment of design signal acquisition and transmission, through the erections of sensor and transmission line, utilize the sensor to gather the major structure stress strain and the relevant characteristic parameter of tunnel in the operation period to transmit the treater at backstage through collection system and transmission device, thereby realize the real-time supervision of sewage pipe deep tunnel system major structure health status during the operation.
Drawings
FIG. 1 is a schematic structural view of a health monitoring system for a deep-buried sewage tunnel in a city according to an embodiment of the present invention;
FIG. 2 is a diagram of a health monitoring system for a deep-buried sewage tunnel in a city according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a sensor arrangement provided by an embodiment of the present invention;
fig. 4 is a schematic diagram of a sensor connection according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
The tunnel health monitoring is to monitor the structural behavior and influence of the tunnel in the operation period by arranging monitoring equipment, evaluate the health condition and the service life of the tunnel, obtain the safety degree of the tunnel to guide the operation, and timely and efficiently ensure the health and the safety of the operation state of the tunnel.
The embodiment of the utility model provides an in sewage tunnel health monitoring system's characteristics mainly embody in following aspect:
1) particularity of pressure tunnel structure
The stress and deformation of the tunnel structure act on the tunnel structure through the stratum and the internal water pressure, and meanwhile, the tunnel structure has a reaction effect on the stratum, and the tunnel structure and the stratum are both used as a part of the structure. Therefore, the sewage tunnel structure health monitoring needs to monitor the sewage pressure of the tunnel environment in addition to the structure.
2) Corrosivity of sewage tunnel
The sewage in the tunnel has stronger corrosivity, and is completely different from the corrosion environment of a common tunnel. The full pipe operation of pressure flow easily forms hydrogen sulfide secondary corrosion supporting construction, and harmful ion concentration is higher in the sewage, and concrete and reinforcing bar corrode sooner, seriously influence the long-term stability of structure, threaten structural safety.
3) Failure to maintain during operation
The sewage tunnel is operated under high pressure with full pipes, no maintenance condition exists after operation, monitoring point pre-embedding needs to be carried out synchronously with structure construction, measuring points are pre-embedded in the structure, the monitoring point works in a long-term underwater corrosion environment, and the requirements on the durability and the installation of the sensor are high.
As shown in FIG. 1, the embodiment of the utility model provides a structural schematic diagram of a city deep-buried sewage tunnel health monitoring system, include: the system comprises a sensor, an acquisition device, a transmission device and a processor;
the sensor comprises an optical fiber type steel bar meter, an optical fiber type concrete strain meter, an optical fiber type osmotic pressure sensor and an optical fiber type corrosion sensor, wherein the optical fiber type steel bar meter, the optical fiber type concrete strain meter and the optical fiber type corrosion sensor are used for collecting internal force signals of the tunnel structure; the optical fiber type osmotic pressure sensor is used for acquiring a sewage pressure signal in the tunnel structure; the optical fiber type corrosion sensor is used for acquiring corrosion condition signals in the tunnel structure;
the acquisition device is respectively connected with the optical fiber type steel bar meter, the optical fiber type concrete strain gauge, the optical fiber type osmotic pressure sensor and the optical fiber type corrosion sensor so as to send acquired internal force signals of the tunnel structure, sewage pressure signals in the tunnel structure and corrosion condition signals in the tunnel structure to the transmission device;
the transmission device is connected with the processor so as to send the internal force signal of the tunnel structure, the sewage pressure signal in the tunnel structure and the corrosion condition signal in the tunnel structure, which are received from the acquisition device, to the processor.
Particularly, because the sewage tunnel runs in full pipe, the maintenance condition is not provided, the requirement on the durability of the monitoring sensor is high, the durability is improved by adopting an optical fiber type sensor, and the structural stress strain adopts the optical fiber type stress strain sensor.
In addition, the sewage in the sewage tunnel is corrosive, the corrosion sensor is needed to monitor the corrosion condition of the tunnel structure in the sewage tunnel monitoring, and the optical fiber type corrosion sensor is arranged for the corrosion condition.
In order to monitor the sewage tunnel leakage condition, an optical fiber type osmotic pressure sensor is arranged in the tunnel structure.
In some alternative embodiments, as shown in fig. 2, the collecting device comprises a fiber grating demodulator, a photoelectric conversion device and a multifunctional corrosion detector, so as to collect internal force signals of the tunnel structure and sewage pressure signals in the tunnel structure from the fiber-optic type steel bar gauge, the fiber-optic type concrete strain gauge and the fiber-optic type osmotic pressure sensor through the fiber grating demodulator and the photoelectric conversion device; and acquiring corrosion condition signals in the tunnel structure from the optical fiber type corrosion sensor through the multifunctional corrosion detector.
In some alternative embodiments, as shown in fig. 3, the fiber grating demodulator, the photoelectric conversion device, the multifunctional corrosion detector and the related devices are installed near the shaft site by using a standard monitoring collection box and the site provides the related reliable power supply such as the matched power supply and other necessary facilities.
Wherein, annex and accessory include: the sensor leads out a lead (tube) and is protected by a sheath; the system comprises a special junction box, FC/APC jumper wires, a heat-shrinkable tube jacket and a terminal box; fiber coupler, professional waterproof joint, etc.
In some optional embodiments, the transmission means is a wireless transmission device.
In some optional embodiments, the fiber-optic steel bar gauge, the fiber-optic concrete strain gauge, the fiber-optic osmotic pressure sensor and the fiber-optic corrosion sensor are located on the monitoring section of the tunnel structure.
In some alternative embodiments, as shown in fig. 2, the system further comprises: the information platform television wall is composed of a plurality of screens and used for displaying the collected internal force signal of the tunnel structure, the collected sewage pressure signal in the tunnel structure and the corrosion condition signal in the tunnel structure.
In some alternative embodiments, as shown in fig. 2, the system further comprises: a core switch;
the core switch is connected with the transmission device and respectively transmits the internal force signal of the tunnel structure, the sewage pressure signal in the tunnel structure and the corrosion condition signal in the tunnel structure which are received from the transmission device to the processor, the server and the information platform television wall.
In some alternative embodiments, as shown in fig. 2, the system further comprises: and the decoding splicing controller is connected with the core switch and the information platform television wall so as to divide and decode each screen in the information platform television wall.
Specifically, in the embodiment of the present invention, the hardware may be arranged in the following manner: an optical fiber sensor with built-in temperature compensation is buried in a monitoring section of a tunnel structure, and the optical fiber sensor mainly comprises an optical fiber type steel bar meter, an optical fiber type concrete strain gauge, an optical fiber type osmometer and a corrosion sensor. Monitoring the internal force of the structure by adopting an optical fiber type reinforcing steel bar meter and an optical fiber type concrete strain meter which are fed with fibers from the head end and the tail end; monitoring the pore water pressure inside the lining structure by adopting an optical fiber osmometer; the corrosion sensor monitors the corrosion of the reinforced concrete in the structure. The system comprises a distributed modular data acquisition unit, a data platform, a television wall, a display screen and a display screen, wherein the distributed modular data acquisition unit is used for acquiring data of a sensor and uploading the data to the data platform in a wireless transmission mode for data processing, analysis, early warning and three-dimensional visual display; when a plurality of screens form a television wall, the screens need to be spliced, and a decoding and splicing controller needs to divide the screens and decode the screens.
As a preferred embodiment, as shown in fig. 3, a pair of fiber concrete strain gauges, a fiber osmometer and a pair of fiber reinforcement gauges are respectively installed at two lining positions corresponding to the middle part of each segment; and one corrosion sensor is respectively arranged at the upper and lower symmetrical positions.
As shown in fig. 4, the optical fiber reinforcement meter and the optical fiber concrete strain gauge are divided into a plurality of loops according to groups, tail fibers at the head end and the tail end of the sensor are connected into different single-core optical fiber loops for standby use, and the tail fibers of the outgoing line of the sensor are connected to the optical fiber distribution box; the outlet tail fiber of the optical fiber osmometer is connected to a junction box, the sensor tail fiber is protected by a heat-shrinkable jacketed pipe and then sheathed with a protective pipe for secondary protection, and the junction box is protected by water resistance and corrosion resistance. The multi-core single-mode special optical cable is adopted to perform fiber splitting fusion at a junction box, and is connected with a reinforcing steel bar meter, a strain gauge and an osmometer in series, and the multi-core single-mode special optical cable is used for taking circuit redundancy into consideration for standby. In addition, two special optical cables for standby use on each section are considered, welding standby is carried out at the position of the main branching box, a sensor signal transmission channel is increased, and the survival rate of sensor data is increased. And the optical cable welding position adopts a heat-shrinkable tube jacket for waterproof treatment. And three special optical cables of each section are led out to a health monitoring well reserved in the vertical shaft to ground data acquisition equipment. Each corrosion sensor is connected by a special cable and then led out together with a special optical cable.
The ground data acquisition equipment mainly comprises a fiber grating debugging demodulator, a corrosion sensor acquisition instrument, and matched power supply, conversion, wireless transmission and other equipment. The fiber grating debugging demodulator and the corrosion sensor collector collect, read, analyze and convert data. And after the data is finished, the data is transmitted to a health monitoring system data platform through wireless transmission equipment.
As a preferred embodiment, the installation of the fiber concrete strain gauge: because the concrete strain gauge measures the annular strain of the duct piece, the binding direction of the strain gauge is parallel to the direction of the annular stress main rib, the strain gauges are respectively arranged on the inner side steel bar and the outer side steel bar of each measuring point, the height of the concrete strain gauge and the height of the annular main rib are consistent, the distance between the inner strain gauge and the outer strain gauge is measured, and then the signal transmission optical cable is led into the special threading pipe channel.
Installation of the optical fiber osmometer: before burying the hole osmometer underground, twine one deck elasticity protection bed course around the osmometer, in order to reduce the influence that the section of jurisdiction warp to the monitoring original paper, and seal the osmometer infiltration stone, guarantee that it is not by cement mortar shutoff when pouring concrete and construction wall postgrouting, guarantee its permeability with response water pressure, when fixing it, with the ligature of osmometer both ends on the reinforcing bar of section of jurisdiction atress muscle fixed mutually in advance, then with the leading-in special threading pipe passageway of signal transmission optical cable.
Installation of corrosion sensor: the corrosion sensor is fixed on the steel bar frame and can be fixed by adopting a strapping tape, the electric insulation between the corrosion sensor and the steel bar frame is kept, and the signal cable can be arranged along the steel bar in the concrete and is fixed on the steel bar by the strapping tape.
Installation of the optical fiber reinforcement meter: selecting a binding wire with a certain length, winding the binding wire around the steel bar meter body for two circles, paying attention to a certain distance from two ends of the sensor, twisting two loops on the binding wire on any end of the sensor, keeping a certain distance from the sensor, and repeating the steps at the other end of the sensor. The sensor is installed between the steel bars, the tail end of the binding wire is wound around the steel bars twice, and then the binding wire is wound. And tightening the binding wire and twisting the loop to fix the sensor. And fixing the sensor optical cable on the steel bars.
It should be noted that, according to the implementation requirement, each step/component described in the present application can be divided into more steps/components, and two or more steps/components or partial operations of the steps/components can be combined into new steps/components to achieve the purpose of the present invention.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a city buries sewage tunnel health monitoring system deeply which characterized in that includes: the system comprises a sensor, an acquisition device, a transmission device and a processor;
the sensor comprises an optical fiber type steel bar meter, an optical fiber type concrete strain gauge, an optical fiber type osmotic pressure sensor and an optical fiber type corrosion sensor, wherein the optical fiber type steel bar meter and the optical fiber type concrete strain gauge are used for collecting an internal force signal of a tunnel structure; the optical fiber type osmotic pressure sensor is used for acquiring a sewage pressure signal in the tunnel structure; the optical fiber type corrosion sensor is used for collecting corrosion condition signals in the tunnel structure;
the acquisition device is respectively connected with the optical fiber type reinforcement meter, the optical fiber type concrete strain gauge, the optical fiber type osmotic pressure sensor and the optical fiber type corrosion sensor so as to send acquired internal force signals of the tunnel structure, sewage pressure signals in the tunnel structure and corrosion condition signals in the tunnel structure to the transmission device;
the transmission device is connected with the processor so as to send the internal force signal of the tunnel structure, the sewage pressure signal in the tunnel structure and the corrosion condition signal in the tunnel structure, which are received from the acquisition device, to the processor.
2. The system of claim 1, wherein the collecting device comprises a fiber grating demodulator, a photoelectric conversion device and a multifunctional corrosion detector, so as to collect the internal force signal of the tunnel structure and the sewage pressure signal in the tunnel structure from the fiber-optic steel bar gauge, the fiber-optic concrete strain gauge and the fiber-optic osmotic pressure sensor through the fiber grating demodulator and the photoelectric conversion device; and acquiring a corrosion condition signal in the tunnel structure from the optical fiber type corrosion sensor through the multifunctional corrosion detector.
3. The system of claim 2, wherein the fiber grating demodulator, the photoelectric conversion device, and the multifunctional corrosion detector are located near a vertical shaft site using a standard monitoring collection and containment box and the site provides a self-contained power supply.
4. The system of any one of claims 1 to 3, wherein the fibre-optic rebar gauge, the fibre-optic concrete strain gauge, the fibre-optic osmotic pressure sensor, and the fibre-optic corrosion sensor are located on a tunnel structure monitoring section.
5. The system of claim 4, further comprising: the information platform television wall is composed of a plurality of screens and used for displaying the acquired internal force signal of the tunnel structure, the acquired sewage pressure signal in the tunnel structure and the acquired corrosion condition signal in the tunnel structure.
6. The system of claim 5, further comprising: a core switch;
the core switch is connected with the transmission device and respectively transmits the internal force signal of the tunnel structure, the sewage pressure signal in the tunnel structure and the corrosion condition signal in the tunnel structure, which are received from the transmission device, to the processor, the server and the information platform television wall.
7. The system of claim 6, further comprising: and the decoding splicing controller is connected with the core switch and the information platform television wall so as to divide and decode each screen in the information platform television wall.
8. The system of claim 4, wherein a pair of said fiber-optic concrete strain gauges, a pair of said fiber-optic osmotic pressure sensors, and a pair of said fiber-optic rebar gauges are mounted at respective locations on the two liners in the middle of each of the segments, and a pair of said fiber-optic corrosion sensors are mounted at respective locations in a vertically symmetrical manner.
9. The system of claim 8, wherein the optical fiber type steel bar gauge and the optical fiber type concrete strain gauge are divided into a plurality of loops according to groups, tail fibers at the head end and the tail end of the sensor are connected into different single-core optical fiber loops for standby use, and the tail fibers at the outlet of the sensor are connected to the optical fiber distribution box; and connecting the outgoing tail fiber of the optical fiber type osmotic pressure sensor to a junction box, sleeving a protective tube after the sensor tail fiber is protected by a heat-shrinkable jacketed pipe for secondary protection, and adopting waterproof and anticorrosion protection for the junction box.
10. The system of claim 9, wherein a multi-core single-mode dedicated optical cable is used for fiber splitting fusion at the distribution box, the optical fiber type reinforcement gauge, the optical fiber type concrete strain gauge and the optical fiber type osmotic pressure sensor are connected in series, and the multi-core single-mode dedicated optical cable is used for taking loop redundancy into consideration and is used for fusion at the main distribution box to increase a signal transmission channel of the sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022348183.XU CN213632152U (en) | 2020-10-21 | 2020-10-21 | Urban deep-buried sewage tunnel health monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022348183.XU CN213632152U (en) | 2020-10-21 | 2020-10-21 | Urban deep-buried sewage tunnel health monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213632152U true CN213632152U (en) | 2021-07-06 |
Family
ID=76622659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022348183.XU Active CN213632152U (en) | 2020-10-21 | 2020-10-21 | Urban deep-buried sewage tunnel health monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213632152U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113837453A (en) * | 2021-09-08 | 2021-12-24 | 中建三局绿色产业投资有限公司 | Deep sewage drainage tunnel wisdom operation system |
| CN113863954A (en) * | 2021-10-20 | 2021-12-31 | 大连地铁集团有限公司 | Double-layer lining large-diameter shield tunnel segment health monitoring arrangement method |
-
2020
- 2020-10-21 CN CN202022348183.XU patent/CN213632152U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113837453A (en) * | 2021-09-08 | 2021-12-24 | 中建三局绿色产业投资有限公司 | Deep sewage drainage tunnel wisdom operation system |
| CN113863954A (en) * | 2021-10-20 | 2021-12-31 | 大连地铁集团有限公司 | Double-layer lining large-diameter shield tunnel segment health monitoring arrangement method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112253234B (en) | Urban deep-buried sewage tunnel health monitoring system | |
| CN213632152U (en) | Urban deep-buried sewage tunnel health monitoring system | |
| CN108825304A (en) | A kind of shield tunnel stratum is stable with tunnel structure Long Period Health Monitoring system | |
| CN111636898B (en) | Shield segment stress testing device in connection channel construction process of shield tunnel | |
| CN103790632B (en) | A kind of Shield-bored tunnels visual prior-warning device of tunnel segment structure stress and method of work thereof | |
| CN206113994U (en) | Utility tunnel's monitoring devices | |
| CN113898372A (en) | Full life cycle health monitoring system of deep tunnel of sewage | |
| CN111609808A (en) | Deformation monitoring system for oil-gas pipeline of water-sealed tunnel | |
| CN108612058B (en) | Concrete dam distributed temperature measurement optical fiber double-strand Z-shaped through warehouse burying construction method | |
| CN108414130A (en) | Force measuring device is drawn in cable laying | |
| CN210293561U (en) | Device for monitoring leakage distribution of track duct piece by optical fiber sensing | |
| CN107643136A (en) | A kind of monitoring method using Fibre Optical Sensor to extra large pipe safe condition | |
| CN113945233A (en) | Deformation self-sensing monitoring system for ballastless track slab | |
| CN217930377U (en) | Health monitoring system of prestressed concrete lining structure | |
| CN106948804B (en) | Coiled tubing optical cable logging device | |
| WO2011010814A2 (en) | Post-tensioning apparatus for reinforcing a concrete structure using unbonded steel wire with inherent corrosion resistance and a borescope camera, and method for the maintenance and repair of a concrete structure using same | |
| CN208206362U (en) | Force measuring device is drawn in cable laying | |
| Inaudi et al. | Distributed fiber-optic sensing for long-range monitoring of pipelines | |
| CN211783409U (en) | Automatic measuring device for settlement of vault of tunnel | |
| CN108957670A (en) | A kind of working procedure of lightguide cable link | |
| CN217032379U (en) | Deformation monitoring system for desert buried pipeline | |
| CN212513387U (en) | Bus temperature measuring device capable of being prefabricated | |
| CN214173592U (en) | Node thermal disaster monitoring device | |
| CN104634269A (en) | Device and method for utilizing fiber bragg grating displacement sensor to measure axial deformation of bedrock | |
| CN109580779A (en) | The full-automatic real-time system for monitoring and pre-warning of inverted arch structure and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |