CN207161104U - A kind of shield tunnel construction corrodes observation device - Google Patents
A kind of shield tunnel construction corrodes observation device Download PDFInfo
- Publication number
- CN207161104U CN207161104U CN201720865529.9U CN201720865529U CN207161104U CN 207161104 U CN207161104 U CN 207161104U CN 201720865529 U CN201720865529 U CN 201720865529U CN 207161104 U CN207161104 U CN 207161104U
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- shield tunnel
- steel bar
- construction
- bar corrosion
- collecting instrument
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Abstract
A kind of shield tunnel construction corrodes observation device, the utility model is related to shield tunnel technical field；It includes steel bar corrosion sensor, data wire and data collecting instrument；Described steel bar corrosion sensor is connected by data wire with data collecting instrument, and described steel bar corrosion sensor is embedded in duct pieces of shield tunnel inside configuration in advance；Described data collecting instrument is arranged in the annular space in the middle part of shield tunnel chip architecture.It can be directed to the shield tunnel construction corrosion condition progress life-cycle observation for being located in marine environment, to verify the validity of durability design of structure, the blank of domestic shield tunnel construction corrosion Observation Design and construction has been filled up, there is stronger guidance and reference to building shield tunnel design and construction in corrosive environment from now on.
Description
Technical field
It the utility model is related to shield tunnel technical field, and in particular to a kind of shield tunnel construction corrodes observation device.
Background technology
Shield tunnel construction method refers to use shield machine, the unstability while control excavation face and surrounding soil do not cave in,
While carry out tunnel piercing, slag tap, and segment assembly forms lining cutting, implements grouting behind shaft or drift lining in machine, it is native around so as to not disturb
Body and the method for building tunnel.So-called " shield " of shield machine refers to be kept for cutterhead and pressure chamber, the supporting week for excavating face stability
The shield box hat of the soil body is enclosed, so-called " structure " refers to section of jurisdiction and the grouting behind shaft or drift lining body for forming tunnel-liner.
At present, domestic shield technique is reached its maturity, and increasing shield tunnel over strait is just built successively, but for shield
The research of structure erosion, design and construction experience are even insufficient when tunnel is in marine environment, it would be highly desirable to improve.
Utility model content
The defects of the purpose of this utility model is to be directed to prior art and deficiency, there is provided a kind of simple in construction, design is closed
Reason, shield tunnel construction easy to use corrosion observation device, it can be directed to the shield tunnel construction corruption for being located in marine environment
Erosion situation carries out life-cycle observation, to verify the validity of durability design of structure, has filled up domestic shield tunnel construction corrosion
Observation Design and the blank of construction, to built from now in corrosive environment shield tunnel design and construction have stronger guidance and
Reference.
To achieve the above object, the technical solution adopted in the utility model is：It includes steel bar corrosion sensor, data wire
And data collecting instrument；Described steel bar corrosion sensor is connected by data wire with data collecting instrument, and described steel bar corrosion passes
Sensor is embedded in duct pieces of shield tunnel inside configuration in advance；Described data collecting instrument is arranged in the middle part of shield tunnel chip architecture
In annular space.
Further, the inside of described shield tunnel chip architecture is provided with several steel bar corrosion sensors, several reinforcing bars
It is in parallel with data collecting instrument by data wire between corrosion sensor.
After said structure, the utility model has the beneficial effect that：A kind of shield tunnel construction described in the utility model
Corrode observation device, it can be directed to the shield tunnel construction corrosion condition progress life-cycle observation for being located in marine environment, to test
The validity of durability design of structure is demonstrate,proved, has filled up the blank of domestic shield tunnel construction corrosion Observation Design and construction, data
Collection accuracy is high, and the utility model has simple in construction, and it is reasonable to set, the advantages that low manufacture cost.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the distribution schematic diagram of steel reinforcement corrosion sensor in the utility model.
Description of reference numerals：
Shield tunnel chip architecture 1, steel bar corrosion sensor 2, data wire 3, data collecting instrument 4.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
Referring to as depicted in figs. 1 and 2, the technical scheme that present embodiment uses is：It is sensed comprising steel bar corrosion
Device 2, data wire 3 and data collecting instrument 4；Five steel bar corrosion sensors 2 are connected side by side by data wire 3 with data collecting instrument 4,
Described steel bar corrosion sensor 2 is embedded in inside duct pieces of shield tunnel structure 1 in advance, and in shield tunnel chip architecture 1
The madial wall of section of jurisdiction；Described data collecting instrument 4 is arranged in the annular space at the middle part of shield tunnel chip architecture 1, and is passed through
Support is fixed in the side wall of annular space.
The construction method of present embodiment is as follows：
1st, data wire 3 is connected with steel reinforcement corrosion sensor 2；
2nd, steel reinforcement corrosion sensor 2 is embedded in the section of jurisdiction steel reinforcement cage in shield tunnel chip architecture 1, and is fixed on pipe
In piece cage bar；
3rd, the concreting of shield tunnel chip architecture 1；
4th, several shield tunnel chip architectures 1 are subjected to assembly；
5th, installation data Acquisition Instrument 4；
6th, data acquisition, analysis, i.e., by the embedded bar corrosion sensor 2 in shield tunnel chip architecture 1, by pre-
Stay data wire 3 that steel reinforcement corrosion sensor 2 and data collecting instrument 4 are connected, with the corrosion of reinforcing bar, be embedded in shield tunnel
2 signals received of steel bar corrosion sensor in tunnel segment structure 1 pass to data collecting instrument 4 by data wire 3, then to data
Analyzed, studied, determine extent of steel corrosion and structure safe coefficient, evaluate durability Design effect.
After said structure, present embodiment has the beneficial effect that：A kind of shield described in present embodiment
Tunnel structure corrodes observation device, and it can be directed to the shield tunnel construction corrosion condition progress life-cycle sight for being located in marine environment
Survey, to verify the validity of durability design of structure, filled up domestic shield tunnel construction corrosion Observation Design and the sky of construction
In vain, data acquisition accuracy is high, and the utility model has simple in construction, and it is reasonable to set, the advantages that low manufacture cost.
It is described above, only to illustrate the technical solution of the utility model and unrestricted, those of ordinary skill in the art couple
The other modifications or equivalent substitution that the technical solution of the utility model is made, without departing from technical solutions of the utility model
Spirit and scope, it all should cover among right of the present utility model.
Claims (2)
1. a kind of shield tunnel construction corrodes observation device, it is characterised in that：It includes steel bar corrosion sensor, data wire sum
According to Acquisition Instrument；Described steel bar corrosion sensor is connected by data wire with data collecting instrument, described steel bar corrosion sensor
It is embedded in duct pieces of shield tunnel inside configuration in advance；Described data collecting instrument is arranged on the annular in the middle part of shield tunnel chip architecture
In space.
A kind of 2. shield tunnel construction corrosion observation device according to claim 1, it is characterised in that：Described shield tunnel
The inside of road tunnel segment structure is provided with several steel bar corrosion sensors, passes through data wire and data between several steel bar corrosion sensors
Acquisition Instrument is in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720865529.9U CN207161104U (en) | 2017-07-17 | 2017-07-17 | A kind of shield tunnel construction corrodes observation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720865529.9U CN207161104U (en) | 2017-07-17 | 2017-07-17 | A kind of shield tunnel construction corrodes observation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207161104U true CN207161104U (en) | 2018-03-30 |
Family
ID=61713017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720865529.9U Active CN207161104U (en) | 2017-07-17 | 2017-07-17 | A kind of shield tunnel construction corrodes observation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207161104U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107448212A (en) * | 2017-07-17 | 2017-12-08 | 中铁隧道勘测设计院有限公司 | A kind of shield tunnel construction corrosion observation device and construction method |
-
2017
- 2017-07-17 CN CN201720865529.9U patent/CN207161104U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107448212A (en) * | 2017-07-17 | 2017-12-08 | 中铁隧道勘测设计院有限公司 | A kind of shield tunnel construction corrosion observation device and construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190219 Address after: Room 2-3116, 88 Huanhan Road, Tianjin Free Trade Zone (Airport Economic Zone), Dongli District, Tianjin 300000 Patentee after: CHINA RAILWAY LIUYUAN GROUP CO., LTD. Address before: 300000 Hongqiao District, Tianjin City, Bridge South East Road Co-patentee before: CHINA RAILWAY LIUYUAN GROUP CO., LTD. Patentee before: Zhongtie Tunnel Survey and Design Inst., Ltd. |