CN107448212A - A kind of shield tunnel construction corrosion observation device and construction method - Google Patents
A kind of shield tunnel construction corrosion observation device and construction method Download PDFInfo
- Publication number
- CN107448212A CN107448212A CN201710582505.7A CN201710582505A CN107448212A CN 107448212 A CN107448212 A CN 107448212A CN 201710582505 A CN201710582505 A CN 201710582505A CN 107448212 A CN107448212 A CN 107448212A
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- China
- Prior art keywords
- shield tunnel
- corrosion
- construction
- data
- steel bar
- 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
- 230000007797 corrosion Effects 0.000 title claims abstract description 53
- 238000005260 corrosion Methods 0.000 title claims abstract description 53
- 238000010276 construction Methods 0.000 title claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 35
- 239000010959 steel Substances 0.000 claims abstract description 35
- 230000002787 reinforcement Effects 0.000 claims description 13
- 238000004458 analytical method Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
A kind of shield tunnel construction corrosion observation device and construction method, the present invention relates 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
The present invention relates to shield tunnel technical field, and in particular to a kind of shield tunnel construction corrosion observation device and construction
Method.
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.
The content of the invention
It is reasonable in design, make in view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of simple in construction
Corrode observation device and construction method with convenient shield tunnel construction, it can be directed to the shield tunnel knot for being located in marine environment
Structure corrosion condition carries out life-cycle observation, to verify the validity of durability design of structure, has filled up domestic shield tunnel construction
Corrode the blank of Observation Design and construction, there is stronger finger to building shield tunnel design and construction in corrosive environment from now on
Lead and reference.
To achieve the above object, the technical solution adopted by the present invention is：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.
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.
The construction method of the present invention is as follows：
1st, data wire and steel reinforcement corrosion sensor connect；
2nd, steel reinforcement corrosion sensor is embedded in the section of jurisdiction steel reinforcement cage in shield tunnel chip architecture, and is fixed on section of jurisdiction
In cage bar；
3rd, duct pieces of shield tunnel structural concrete pours；
4th, several shield tunnel chip architectures are carried out assembled；
5th, installation data Acquisition Instrument；
6th, data acquisition, analysis, i.e., by the embedded bar corrosion sensor in shield tunnel chip architecture, by reserved
Data wire connects steel reinforcement corrosion sensor and data collecting instrument, with the corrosion of reinforcing bar, is embedded in duct pieces of shield tunnel
The signal received is passed to data collecting instrument by the steel bar corrosion sensor in structure by data wire, then data are divided
Analysis, research, determine extent of steel corrosion and structure safe coefficient, evaluate durability Design effect.
After said structure, the present invention has the beneficial effect that：A kind of shield tunnel construction corrosion observation of the present invention
Device and construction method, it can be directed to the shield tunnel construction corrosion condition progress life-cycle observation for being located in marine environment, with
The validity of durability design of structure is verified, has filled up the blank of domestic shield tunnel construction corrosion Observation Design and construction, number
High according to collection accuracy, the present invention has simple in construction, and it is reasonable to set, the advantages that low manufacture cost.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the distribution schematic diagram of steel reinforcement corrosion sensor in the present invention.
Description of reference numerals：
Shield tunnel chip architecture 1, steel bar corrosion sensor 2, data wire 3, data collecting instrument 4.
Embodiment
The present invention is further illustrated 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 construction method, and it can enter for being located in the shield tunnel construction corrosion condition of marine environment
The row life-cycle is observed, and to verify the validity of durability design of structure, has filled up domestic shield tunnel construction corrosion Observation Design
And the blank of construction, data acquisition accuracy are high, the present invention has simple in construction, and it is reasonable to set, the advantages that low manufacture cost.
It is described above, it is merely illustrative of the technical solution of the present invention and unrestricted, those of ordinary skill in the art are to this hair
The other modifications or equivalent substitution that bright technical scheme is made, without departing from the spirit and scope of technical solution of the present invention,
It all should cover among scope of the presently claimed invention.
Claims (3)
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.
A kind of 3. construction method of shield tunnel construction corrosion observation, it is characterised in that：The construction method of the present invention is as follows：
(1), data wire and steel reinforcement corrosion sensor connect；
(2), steel reinforcement corrosion sensor is embedded in the section of jurisdiction steel reinforcement cage in shield tunnel chip architecture, and is fixed on section of jurisdiction master
On muscle；
(3), duct pieces of shield tunnel structural concrete pours；
(4), several shield tunnel chip architectures are carried out assembled；
(5), installation data Acquisition Instrument；
(6), data acquisition, analysis, i.e., by the embedded bar corrosion sensor in shield tunnel chip architecture, pre- residual is passed through
Connected according to bundle of lines steel reinforcement corrosion sensor and data collecting instrument, with the corrosion of reinforcing bar, be embedded in duct pieces of shield tunnel knot
The signal received is passed to data collecting instrument by the steel bar corrosion sensor in structure by data wire, then data are analyzed,
Research, extent of steel corrosion and structure safe coefficient are determined, evaluate durability Design effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710582505.7A CN107448212A (en) | 2017-07-17 | 2017-07-17 | A kind of shield tunnel construction corrosion observation device and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710582505.7A CN107448212A (en) | 2017-07-17 | 2017-07-17 | A kind of shield tunnel construction corrosion observation device and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107448212A true CN107448212A (en) | 2017-12-08 |
Family
ID=60487743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710582505.7A Pending CN107448212A (en) | 2017-07-17 | 2017-07-17 | A kind of shield tunnel construction corrosion observation device and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107448212A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030146749A1 (en) * | 2002-01-18 | 2003-08-07 | Rengaswamy Srinivasan | Method for monitoring localized corrosion of a corrodible metal article in a corrosive environment |
| US20080177482A1 (en) * | 2003-07-02 | 2008-07-24 | Neubrex Co., Ltd. | Structure Monitor System |
| CN103790632A (en) * | 2014-01-09 | 2014-05-14 | 华中科技大学 | Subway shield tunnel segment structural stress visual warning device and operating method thereof |
| CN105422177A (en) * | 2015-12-22 | 2016-03-23 | 上海市地下空间设计研究总院有限公司 | Structure health monitoring and safety prewarning system for shield tunnel |
| CN207161104U (en) * | 2017-07-17 | 2018-03-30 | 中铁隧道勘测设计院有限公司 | A kind of shield tunnel construction corrodes observation device |
-
2017
- 2017-07-17 CN CN201710582505.7A patent/CN107448212A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030146749A1 (en) * | 2002-01-18 | 2003-08-07 | Rengaswamy Srinivasan | Method for monitoring localized corrosion of a corrodible metal article in a corrosive environment |
| US20080177482A1 (en) * | 2003-07-02 | 2008-07-24 | Neubrex Co., Ltd. | Structure Monitor System |
| CN103790632A (en) * | 2014-01-09 | 2014-05-14 | 华中科技大学 | Subway shield tunnel segment structural stress visual warning device and operating method thereof |
| CN105422177A (en) * | 2015-12-22 | 2016-03-23 | 上海市地下空间设计研究总院有限公司 | Structure health monitoring and safety prewarning system for shield tunnel |
| CN207161104U (en) * | 2017-07-17 | 2018-03-30 | 中铁隧道勘测设计院有限公司 | A kind of shield tunnel construction corrodes observation device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190211 Address after: Room 2-3116, 88 Huanhan Road, Tianjin Free Trade Zone (Airport Economic Zone), Tianjin 300000 Applicant after: CHINA RAILWAY LIUYUAN GROUP Co.,Ltd. Address before: 300000 Hongqiao District, Tianjin City, Bridge South East Road Applicant before: CHINA RAILWAY TUNNEL SURVEY & DESIGN INSTITUTE Co.,Ltd. Applicant before: CHINA RAILWAY LIUYUAN GROUP Co.,Ltd. |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20171208 |