CN108222964A - A kind of shield tunnel concrete pipe sheet seam anticorrosion structure - Google Patents
A kind of shield tunnel concrete pipe sheet seam anticorrosion structure Download PDFInfo
- Publication number
- CN108222964A CN108222964A CN201810074514.XA CN201810074514A CN108222964A CN 108222964 A CN108222964 A CN 108222964A CN 201810074514 A CN201810074514 A CN 201810074514A CN 108222964 A CN108222964 A CN 108222964A
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- China
- Prior art keywords
- shield tunnel
- corrosion
- pipe sheet
- seam
- concrete pipe
- 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
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- 238000005260 corrosion Methods 0.000 claims abstract description 65
- 239000011248 coating agent Substances 0.000 claims abstract description 62
- 238000000576 coating method Methods 0.000 claims abstract description 62
- 230000007797 corrosion Effects 0.000 claims abstract description 52
- 230000002401 inhibitory effect Effects 0.000 claims abstract description 50
- 238000009826 distribution Methods 0.000 claims abstract description 22
- 239000007921 spray Substances 0.000 claims description 9
- 238000007598 dipping method Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 5
- 238000013461 design Methods 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 claims description 4
- 238000002474 experimental method Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 2
- 239000002689 soil Substances 0.000 claims description 2
- 238000005498 polishing Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 3
- 238000009435 building construction Methods 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000007847 structural defect Effects 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
- E21D11/08—Lining with building materials with preformed concrete slabs
- E21D11/083—Methods or devices for joining adjacent concrete segments
-
- 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
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
- E21D11/385—Sealing means positioned between adjacent lining members
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
A kind of shield tunnel concrete pipe sheet seam anticorrosion structure, the present invention relates to technical field of building construction；Corrosion-inhibiting coating includes corrosion-inhibiting coating on segment joint end face, corrosion-inhibiting coating on corrosion-inhibiting coating and section of jurisdiction Bei Tu faces on the Ying Tu faces of section of jurisdiction；Several shield tunnel concrete pipe sheet ontologies form shield tunnel ontology, shield duct piece seam is respectively formed between the adjacent shield tunnel concrete pipe sheet ontology of composition shield tunnel ontology, which includes the section of jurisdiction longitudinal seam of left and right distribution and the section of jurisdiction ring seam of front and rear distribution；The top of the shield tunnel concrete pipe sheet ontology is equipped with upper overburden layer, and contact surface between the two is equipped with corrosion-inhibiting coating on the Ying Tu faces of section of jurisdiction.The anti-corrosion capability and durability of shield tunnel concrete pipe sheet seam crossing are effectively improved, extends shield tunnel concrete pipe sheet whole service life, practicability is stronger.
Description
Technical field
The present invention relates to technical field of building construction, and in particular to a kind of shield tunnel concrete pipe sheet seam anti-corrosion knot
Structure.
Background technology
As national economic development and urbanization process constantly promote, more and more Tunnel Engineering are built with corrosion
Under environmental condition, the endurance issues of tunnel structure are the great difficult problems for needing to solve, especially heavy especially for century-old engineering
It will.To duct pieces of shield tunnel anti-corrosion, mainly taking both at home and abroad at present increases concrete strength, reduces water-binder ratio, optimization
Concrete raw material composition increases thickness of concrete cover, adds the conventional measures such as anticorrosive additive and in pipe of concrete
Meeting for piece smears the addition theretos such as outer anti-corrosion face layer or coating to improve its antiseptic property and durability on native face.Work as shield tunnel
During seam percolating water, corrosive environment function grade higher at segment joint takes conventional measure that certainly will increase engineering overall cost,
And there are the limitations of thickness because of itself for anti-corrosion face layer or coating, it is impossible to meet the requirement of seam crossing pipe sheet assembling precision, and anti-corrosion
Face layer or strength of coating are low, and shield driving device and shield ventral brush etc. are big to the scraping destroying infection of anti-corrosion face layer or coating, past
It is past to form effective overall isolation layer.It is passed through in the shield tunnel of corrosive formation what is be completed, section of jurisdiction much occurs
Seam crossing percolating water, seam crossing concrete corrosion failure is even more serious, and later stage seam crossing Structural defect control expense is high, therefore shield
Structure tunnel duct piece seam crossing anti-corrosion is in urgent need of strengthening with improving.
Invention content
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of simple in structure, reasonable design makes
With convenient shield tunnel concrete pipe sheet seam anticorrosion structure, using in the shield tunnel concrete positioned at corrosive formation section
Segment joint and its neighboring area are equipped with the dipping osmosis type corrosion-inhibiting coating that thickness is zero, are not influencing pipe sheet assembling quality and not
Under the premise of improving integrated environment function grade, the anti-corrosion capability of shield tunnel concrete pipe sheet seam crossing and resistance to is effectively improved
Long property, extends shield tunnel concrete pipe sheet whole service life, and practicability is stronger.
To achieve the above object, the technical solution adopted by the present invention is：It include shield tunnel concrete pipe sheet ontology, on
Overburden layer, shield duct piece seam, corrosion-inhibiting coating；The corrosion-inhibiting coating includes corrosion-inhibiting coating, section of jurisdiction on segment joint end face and meets
Corrosion-inhibiting coating on corrosion-inhibiting coating and section of jurisdiction Bei Tu faces on native face；Several shield tunnel concrete pipe sheet ontologies form shield tunnel sheet
Body, form shield tunnel ontology adjacent shield tunnel concrete pipe sheet ontology between be respectively formed shield duct piece seam, the shield
Segment joint includes the section of jurisdiction longitudinal seam of left and right distribution and the section of jurisdiction ring seam of front and rear distribution；The shield tunnel pipe of concrete
The top of piece ontology is equipped with upper overburden layer, and contact surface between the two is equipped with corrosion-inhibiting coating on the Ying Tu faces of section of jurisdiction；The shield
One side of the structure tunnel concrete pipe sheet ontology far from upper overburden layer is equipped with corrosion-inhibiting coating on the Bei Tu faces of section of jurisdiction；The left and right distribution
Section of jurisdiction longitudinal seam and front and rear distribution section of jurisdiction ring seam seam end face on be equipped with corrosion-inhibiting coating on segment joint end face.
Further, the joint form packet of the section of jurisdiction ring seam of the section of jurisdiction longitudinal seam and front and rear distribution of the left and right distribution
Include comprehensive dock, part surface dock, keyed (concavo-convex portion of joint face is mutually embedded), bridging type, female (seam table
In face of being connected into spherically seated) etc. various seam patterns.
Further, the corrosion-inhibiting coating is dipping osmosis type corrosion-inhibiting coating, and thickness zero does not increase coagulation additionally
Native section of jurisdiction thickness is formed by spraying (spray of bowing, faces upward spray at vertical spray) or application process.
Further, the corrosion-inhibiting coating is in the effective impregnating depth in surface of shield tunnel concrete pipe sheet ontology
2mm~10mm, does not influence concrete body intensity, and coating surface intensity is high.
The construction procedure of the present invention is as follows：
1st, aggressive substances type and concentration level in the surrounding enviroment according to residing for tunnel determine shield tunnel according to specification
Residing corrosive environment function grade；
2nd, overall durability design is carried out to shield tunnel ontology using conventional measure；
3rd, it for higher environmental activity grade residing for shield duct piece seam and its neighboring area, tests and determines that corrosion-inhibiting coating is set
Put range, anticorrosion coating material and dipping penetration depth；
4th, the making of shield tunnel concrete pipe sheet ontology and conventional maintenance；
5th, the skin patching of shield tunnel concrete pipe sheet ontology is carried out before shield tunnel concrete pipe sheet ontology is assembled, is beaten
Mill processing, except crude removal, is ready to spray or smear surface；
6th, determine that parameter carries out corrosion-inhibiting coating spraying or smear to apply according to experiment；
7th, the water-proof strip installation of shield duct piece seam；
8th, the assembling construction of shield tunnel concrete pipe sheet ontology.
With the above structure, the present invention has the beneficial effect that：A kind of shield tunnel concrete pipe sheet of the present invention connects
Anticorrosion structure is stitched, using being equipped with thickness positioned at the shield tunnel concrete pipe sheet seam of corrosive formation section and its neighboring area
The dipping osmosis type corrosion-inhibiting coating for being zero is not influencing pipe sheet assembling quality and is not improving the premise of integrated environment function grade
Under, the anti-corrosion capability and durability of shield tunnel concrete pipe sheet seam crossing are effectively improved, extends shield tunnel concrete
Section of jurisdiction entirety service life, practicability is stronger, and the present invention has the advantages that simple in structure, setting is reasonable, low manufacture cost.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is 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 attached drawings according to these attached drawings.
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the distribution schematic diagram of corrosion-inhibiting coating on section of jurisdiction Ying Tu faces in the present invention.
Fig. 3 is the distribution schematic diagram of corrosion-inhibiting coating on section of jurisdiction Bei Tu faces in the present invention.
Reference sign：
Shield tunnel concrete pipe sheet ontology 1, upper overburden layer 2, shield duct piece seam 3, section of jurisdiction longitudinal seam 3-1, section of jurisdiction ring
Corrosion-inhibiting coating 4 on seam 3-2, segment joint end face, corrosion-inhibiting coating 5 on the Ying Tu faces of section of jurisdiction, corrosion-inhibiting coating 6 on the Bei Tu faces of section of jurisdiction.
Specific embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings.
Referring to as shown in Figure 1-Figure 3, present embodiment the technical solution adopted is that：It includes shield tunnel concrete
Section of jurisdiction ontology 1, upper overburden layer 2, shield duct piece seam 3, corrosion-inhibiting coating；The corrosion-inhibiting coating includes to be prevented on segment joint end face
Corrosion-inhibiting coating 6 on corrosion-inhibiting coating 5 and section of jurisdiction Bei Tu faces on rotten coating 4, section of jurisdiction Ying Tu faces；Several shield tunnel concrete pipe sheet sheets
Body 1 forms shield tunnel ontology, and shield is respectively formed between the adjacent shield tunnel concrete pipe sheet ontology 1 of composition shield tunnel ontology
Structure segment joint 3, the shield duct piece seam 3 include the section of jurisdiction longitudinal seam 3-1 of left and right distribution and the section of jurisdiction ring seam of front and rear distribution
3-2；The top of the shield tunnel concrete pipe sheet ontology 1 is equipped with upper overburden layer 2, and contact surface between the two is equipped with pipe
Piece meets corrosion-inhibiting coating 5 on native face；Back of the body soil face of the shield tunnel concrete pipe sheet ontology 1 far from upper overburden layer 2 is equipped with
Corrosion-inhibiting coating 6 on the Bei Tu faces of section of jurisdiction；The section of jurisdiction longitudinal seam 3-1 of the left and right distribution and section of jurisdiction ring seam 3-2 of front and rear distribution
Seam end face on be equipped with corrosion-inhibiting coating 4 on segment joint end face.
Further, the seam of the section of jurisdiction ring seam 3-2 of the section of jurisdiction longitudinal seam 3-1 and front and rear distribution of the left and right distribution
Form includes comprehensive dock, part surface dock, keyed (concavo-convex portion of joint face is mutually embedded), bridging type, female
The various seam patterns such as (joint surface is butted into spherically seated).
Further, the corrosion-inhibiting coating is dipping osmosis type corrosion-inhibiting coating, and thickness zero does not increase coagulation additionally
Native section of jurisdiction thickness is formed by spraying (spray of bowing, faces upward spray at vertical spray) or application process.
Further, the corrosion-inhibiting coating is in the effective impregnating depth in surface of shield tunnel concrete pipe sheet ontology 1
2mm~10mm, does not influence concrete body intensity, and coating surface intensity is high.
Further, do not have to be equipped with anti-corrosion in non-aggressive stratomere on the shield tunnel concrete pipe sheet ontology 1
Coating.
The construction procedure of present embodiment is as follows：
1st, aggressive substances type and concentration level in the surrounding enviroment according to residing for tunnel determine shield tunnel according to specification
Residing corrosive environment function grade；
2nd, overall durability design is carried out to shield tunnel ontology using conventional measure；
3rd, it for higher environmental activity grade residing for shield duct piece seam 3 and its neighboring area, tests and determines corrosion-inhibiting coating
Range, anticorrosion coating material and dipping penetration depth are set；
4th, shield tunnel concrete pipe sheet ontology 1 makes and conventional maintenance；
5th, carried out before shield tunnel concrete pipe sheet ontology 1 is assembled shield tunnel concrete pipe sheet ontology 1 skin patching,
Grinding process except crude removal, is ready to spray or smear surface；
6th, determine that parameter carries out corrosion-inhibiting coating spraying or smear to apply according to experiment；
7th, the water-proof strip installation of shield duct piece seam 3；
8th, the assembling construction of shield tunnel concrete pipe sheet ontology 1.
With the above structure, present embodiment has the beneficial effect that：A kind of shield described in present embodiment
Tunnel concrete pipe sheet seam anticorrosion structure, using in the shield tunnel concrete pipe sheet seam positioned at corrosive formation section and its
Neighboring area is equipped with the dipping osmosis type corrosion-inhibiting coating that thickness is zero, is not influencing pipe sheet assembling quality and is not improving integrated environment
Under the premise of function grade, the anti-corrosion capability and durability of shield tunnel concrete pipe sheet seam crossing are effectively improved, is extended
Shield tunnel concrete pipe sheet entirety service life, practicability is stronger, and the present invention has simple in structure, and setting is reasonable, is fabricated to
This low advantage.
The above is merely illustrative of the technical solution of the present invention and unrestricted, and those of ordinary skill in the art are to this hair
The other modifications or equivalent replacement that bright technical solution is made, without departing from the spirit and scope of technical solution of the present invention,
It is intended to be within the scope of the claims of the invention.
Claims (5)
1. a kind of shield tunnel concrete pipe sheet seam anticorrosion structure, it is characterised in that：It includes shield tunnel concrete pipe sheet
Ontology, upper overburden layer, shield duct piece seam, corrosion-inhibiting coating；The corrosion-inhibiting coating include segment joint end face on corrosion-inhibiting coating,
Corrosion-inhibiting coating on corrosion-inhibiting coating and section of jurisdiction Bei Tu faces on the Ying Tu faces of section of jurisdiction；Several shield tunnel concrete pipe sheet ontologies form shield
Tunnel ontology, form shield tunnel ontology adjacent shield tunnel concrete pipe sheet ontology between be respectively formed shield duct piece seam,
The shield duct piece seam includes the section of jurisdiction longitudinal seam of left and right distribution and the section of jurisdiction ring seam of front and rear distribution；The shield tunnel mixes
The top of solidifying soil section of jurisdiction ontology is equipped with upper overburden layer, and contact surface between the two is equipped with corrosion-inhibiting coating on the Ying Tu faces of section of jurisdiction；Institute
One side of the shield tunnel concrete pipe sheet ontology far from upper overburden layer stated is equipped with corrosion-inhibiting coating on the Bei Tu faces of section of jurisdiction；The left side
Anti-corrosion on segment joint end face is equipped on the seam end face of the section of jurisdiction longitudinal seam of right distribution and the section of jurisdiction ring seam of front and rear distribution
Coating.
2. a kind of shield tunnel concrete pipe sheet seam anticorrosion structure according to claim 1, it is characterised in that：Described
The section of jurisdiction longitudinal seam of left and right distribution and the joint form of the section of jurisdiction ring seam of front and rear distribution include comprehensive dock, part surface pair
Connect formula, keyed, bridging type, female.
3. a kind of shield tunnel concrete pipe sheet seam anticorrosion structure according to claim 1, it is characterised in that：Described
Corrosion-inhibiting coating is impregnates osmosis type corrosion-inhibiting coating, thickness zero.
4. a kind of shield tunnel concrete pipe sheet seam anticorrosion structure according to claim 1, it is characterised in that：Described
Corrosion-inhibiting coating is 2mm~10mm in the effective impregnating depth in surface of shield tunnel concrete pipe sheet ontology.
5. a kind of shield tunnel concrete pipe sheet seam anticorrosion structure, it is characterised in that：Its construction procedure is as follows：
(1), aggressive substances type and concentration level in the surrounding enviroment according to residing for tunnel determine shield tunnel institute according to specification
Locate corrosive environment function grade；
(2), overall durability design is carried out to shield tunnel ontology using conventional measure；
(3), it for higher environmental activity grade residing for shield duct piece seam and its neighboring area, tests and determines corrosion-inhibiting coating setting
Range, anticorrosion coating material and dipping penetration depth；
(4), the making of shield tunnel concrete pipe sheet ontology and conventional maintenance；
(5), skin patching, the polishing of shield tunnel concrete pipe sheet ontology are carried out before shield tunnel concrete pipe sheet ontology is assembled
Processing, except crude removal, is ready to spray or smear surface；
(6), determine that parameter carries out corrosion-inhibiting coating spraying or smear to apply according to experiment；
(7), the water-proof strip installation of shield duct piece seam；
(8), the assembling construction of shield tunnel concrete pipe sheet ontology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810074514.XA CN108222964A (en) | 2018-01-25 | 2018-01-25 | A kind of shield tunnel concrete pipe sheet seam anticorrosion structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810074514.XA CN108222964A (en) | 2018-01-25 | 2018-01-25 | A kind of shield tunnel concrete pipe sheet seam anticorrosion structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108222964A true CN108222964A (en) | 2018-06-29 |
Family
ID=62667356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810074514.XA Pending CN108222964A (en) | 2018-01-25 | 2018-01-25 | A kind of shield tunnel concrete pipe sheet seam anticorrosion structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN108222964A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026082A (en) * | 2018-10-15 | 2018-12-18 | 中铁二院成都勘察设计研究院有限责任公司 | A kind of lining construction seam waterproof method and waterproof construction |
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|---|---|---|---|---|
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| JP2000334371A (en) * | 1999-06-02 | 2000-12-05 | Mitsui Harbour & Urban Construction Co Ltd | Segment and shield tunnel |
| CN201554470U (en) * | 2009-09-15 | 2010-08-18 | 中铁第四勘察设计院集团有限公司 | Shield tunnel partition water-proof structure |
| CN202017497U (en) * | 2011-04-07 | 2011-10-26 | 上海市电力公司 | Water-proof structure for cable tunnel shield construction |
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| CN107355234A (en) * | 2017-09-10 | 2017-11-17 | 沈阳建筑大学 | Antiseepage anti-corrosive durability collaborates moldeed depth layer tunnel of regulating and storing |
| CN207863970U (en) * | 2018-01-25 | 2018-09-14 | 中铁第六勘察设计院集团有限公司 | A kind of shield tunnel concrete pipe sheet seam anticorrosion structure |
-
2018
- 2018-01-25 CN CN201810074514.XA patent/CN108222964A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1505212A (en) * | 1966-12-20 | 1967-12-08 | Holzmann Philipp Ag | Process for waterproofing coatings in tunnels, galleries, etc., formed by circles of segments |
| JP2000334371A (en) * | 1999-06-02 | 2000-12-05 | Mitsui Harbour & Urban Construction Co Ltd | Segment and shield tunnel |
| CN201554470U (en) * | 2009-09-15 | 2010-08-18 | 中铁第四勘察设计院集团有限公司 | Shield tunnel partition water-proof structure |
| CN202017497U (en) * | 2011-04-07 | 2011-10-26 | 上海市电力公司 | Water-proof structure for cable tunnel shield construction |
| CN204312088U (en) * | 2014-09-30 | 2015-05-06 | 上海市政工程设计研究总院（集团）有限公司 | A kind of pin-connected panel push pipe tunnel segment structure |
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| CN105697922A (en) * | 2016-02-25 | 2016-06-22 | 河海大学 | Construction method based on shield method for anti-seepage anticorrosion sewage pipe segment lining |
| CN107355234A (en) * | 2017-09-10 | 2017-11-17 | 沈阳建筑大学 | Antiseepage anti-corrosive durability collaborates moldeed depth layer tunnel of regulating and storing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026082A (en) * | 2018-10-15 | 2018-12-18 | 中铁二院成都勘察设计研究院有限责任公司 | A kind of lining construction seam waterproof method and waterproof construction |
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Application publication date: 20180629 |
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