CN109372544A - Tunneltron internode sealing structure and its construction method - Google Patents

Tunneltron internode sealing structure and its construction method Download PDF

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Publication number
CN109372544A
CN109372544A CN201811437395.6A CN201811437395A CN109372544A CN 109372544 A CN109372544 A CN 109372544A CN 201811437395 A CN201811437395 A CN 201811437395A CN 109372544 A CN109372544 A CN 109372544A
Authority
CN
China
Prior art keywords
plate
sealing
lining pipe
internal lining
support plate
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
Application number
CN201811437395.6A
Other languages
Chinese (zh)
Inventor
董志伟
董书滨
张成勇
杨志永
黎景雄
杨永强
李志军
张兆军
林琳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway Tunnel Group Erchu Co Ltd
Original Assignee
China Railway Tunnel Group Erchu Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Railway Tunnel Group Erchu Co Ltd filed Critical China Railway Tunnel Group Erchu Co Ltd
Priority to CN201811437395.6A priority Critical patent/CN109372544A/en
Publication of CN109372544A publication Critical patent/CN109372544A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04Lining with building materials
    • E21D11/08Lining with building materials with preformed concrete slabs
    • E21D11/083Methods or devices for joining adjacent concrete segments
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/38Waterproofing; Heat insulating; Soundproofing; Electric insulating
    • E21D11/385Sealing means positioned between adjacent lining members

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  • 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

The present invention provides a kind of tunneltron internode sealing structure and its construction method, for sealing the seam between two adjacent tube couplings.Tunneltron internode sealing structure includes the seam crossing positioned at two tube couplings and internal lining pipe and two sealing units in tube coupling, and two sealing units are located at the both ends of internal lining pipe and are symmetrical arranged;Each sealing unit includes support plate, sealing element, stripper plate, plugging plate and screw element, support plate is located on one end of internal lining pipe, sealing element is contained in the accommodating chamber that support plate, internal lining pipe and tube coupling surround, stripper plate is contained in accommodating chamber and is located at side of the sealing element far from internal lining pipe, plugging plate, which is removably secured, is connected to support plate, screw element is arranged in plugging plate and is located at side of the stripper plate far from sealing element, with rotation forces stripper plate squeeze sealing member.Tunneltron internode sealing structure and its construction method provided by the invention are simple and practical, can make to keep good hermetic seal effect between movable tunnel tube coupling.

Description

Tunneltron internode sealing structure and its construction method
Technical field
The present invention relates to technical field of tunnel construction more particularly to a kind of tunneltron internode sealing structure and its construction parties Method.
Background technique
During jacking construction, curve construction, becoming situations such as slope, construction wrong, will lead to can not between concrete tube coupling It seals, gap occur, infiltration, drainage then occurs.Based on the particularity of push bench process constructing tunnel, concrete tube coupling needs By starting well jacking always to predeterminated position, just it is constantly in dynamic motion since the construction.Conventional slip casting sealing means It will lead to tube coupling and the filling of surrounding gap be close, cause tube coupling frictional force to increase and even locking phenomenon occur and be difficult to jacking and apply Work.In addition, filling in cotton yarn at joints of segment, the sealing means that pour into polyurethane can increase in tube coupling jacking always or hydraulic pressure In the case of cause cotton yarn, polyurethane to fall off, to lose hermetic seal effect.
Summary of the invention
The object of the present invention is to provide one kind convenient for that can make to keep good hermetic seal between movable tunnel tube coupling The tunneltron internode sealing structure and its construction method of effect.
To achieve the goals above, the present invention provides a kind of tunneltron internode sealing structure, for sealing two adjacent tubes Seam between section.The tunneltron internode sealing structure includes the seam crossing positioned at two tube couplings and is set to the tube coupling Interior internal lining pipe and two sealing units, two sealing units are located at the both ends of the internal lining pipe and are symmetrical arranged; Each sealing unit includes support plate, sealing element, stripper plate, plugging plate and screw element, wherein the support plate is located on One end of the internal lining pipe, the sealing element are contained in the accommodating chamber that the support plate, the internal lining pipe and the tube coupling surround In, the stripper plate is contained in the accommodating chamber and is located at side of the sealing element far from the internal lining pipe, the closure Plate, which is removably secured, is connected to the support plate, the screw element be arranged in the plugging plate and be located at the stripper plate it is separate The side of the sealing element squeezes the sealing element with stripper plate described in rotation forces.
The present invention also provides a kind of construction methods of tunneltron internode sealing structure, comprising the following steps: adjacent at two The inner wall ring of the seam crossing of tube coupling sets an internal lining pipe;A support plate is set in an end ring of the internal lining pipe;In the internal lining pipe, institute State support plate and accommodating chamber that the tube coupling surrounds in be put into a sealing element;The stripper plate of one annular of processing is put into the accommodating chamber In and be placed in side of the sealing element far from the internal lining pipe;The plugging plate of one annular of processing simultaneously fixes the plugging plate It is connected to the support plate;And screw element is arranged in the two sides of the plugging plate and rotates the screw element and pushes described squeeze Pressing plate squeezes the sealing element.
Tunneltron internode sealing structure provided by the invention, which passes through, to be installed at any time, the internal lining pipe dismantled, support plate, close Sealing, stripper plate, plugging plate and screw element generate good hermetic seal effect in the seam crossing of two adjacent tube couplings.With it is existing Technology is compared, and tunneltron internode sealing structure and its construction method provided by the invention are simple and practical, can make movable tunnel Good hermetic seal effect is kept between tube coupling.
Detailed description of the invention
Fig. 1 is the schematic diagram for the tunneltron internode sealing structure that one embodiment of the invention provides.
Fig. 2 is that schematic diagram is disassembled in the part of tunneltron internode sealing structure shown in FIG. 1.
Fig. 3 is the flow chart of the construction method for the tunneltron internode sealing structure that one embodiment of the invention provides.
Main element symbol description
Tunneltron internode sealing structure 100
Tube coupling 10
Internal lining pipe 20
Sealing unit 30
Support plate 31
Through hole 311
Sealing element 32
Stripper plate 33
Plugging plate 34
Mounting hole 341
Threaded hole 342
Screw element 35
Accommodating chamber 36
Fixed plate 37
Fixation hole 371
Screw rod part 381
Nut 382
Oil nozzle 39
The present invention that the following detailed description will be further explained with reference to the above drawings.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this Embodiment in invention, all other reality obtained by those of ordinary skill in the art without making creative efforts Example is applied, shall fall within the protection scope of the present invention.
It should be noted that it can be directly to separately when an element is considered as " connection " another element One element may be simultaneously present the element being centrally located.When an element is considered as " setting exists " another element, It, which can be, is set up directly on another element or may be simultaneously present the element being centrally located.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool Body embodiment purpose, it is not intended that in limitation the present invention.Term " and or " used herein includes one or more phases Any and all combinations of the listed item of pass.
Fig. 1 and Fig. 2 is please referred to, the embodiment of the present invention provides a kind of tunneltron internode sealing structure 100, for sealing two Seam between a adjacent tube coupling 10.The tunneltron internode sealing structure 100 includes internal lining pipe 20 and two sealing units 30.Tool Body, tube coupling 10 is in hollow tubulose, and two tube couplings 10 being provided adjacent to are interconnected.Internal lining pipe 20 is located at two tube couplings 10 Seam crossing is simultaneously embedded in two tube couplings 10.Two sealing units 30 are located at the both ends of internal lining pipe 20 and are symmetrical arranged.Liner Pipe 20 and two sealing units 30 can seal the gap between two tube couplings 10, and sealing is played in pipe jacking tunnel work progress The effect of sealing.
In one embodiment, tube coupling 10 is section tube body annular in shape, and accordingly, internal lining pipe 20 is that section is in annulus The tube body of shape, and the outer diameter of internal lining pipe 20 corresponds to the internal diameter of tube coupling 10.In other embodiments, tube coupling 10 can also be section In the tube body of rectangular ring.
Each sealing unit 30 includes support plate 31, sealing element 32, stripper plate 33, plugging plate 34 and screw element 35.Wherein, Support plate 31 is located on one end of internal lining pipe 20, sealing element 32 be contained in support plate 31, internal lining pipe 20 and with 31 phase of support plate Pair the accommodating chamber 36 that surrounds of a tube coupling 10 in.Stripper plate 33 is contained in accommodating chamber 36 and is located at sealing element 32 far from liner The side of pipe 20, plugging plate 34, which is removably secured, is connected to support plate 31.Screw element 35 is arranged in plugging plate 34 and is located at and squeezes Side of the pressing plate 33 far from sealing element 32, with 33 squeeze sealing member 32 of rotation forces stripper plate.
In one embodiment, each sealing unit 30 further includes fixed plate 37, and plugging plate 34 passes through fixed plate 37 and branch Fagging 31 is fixedly connected.Specifically, fixed plate 37 is located on the one end of support plate 31 far from internal lining pipe 20 and is located at support plate 31 Side far from tube coupling 10.Plugging plate 34 offers multiple mounting holes 341, and fixed plate 37 offers multiple fixation holes 371, installation Hole 341 is identical as the quantity of fixation hole 371 and corresponds distribution.Plugging plate 34 and fixed plate 37 can pass through screw rod part 381 It is fixedly connected across mounting hole 341 and corresponding fixation hole 371.It is appreciated that screw rod part 381 can pass through mounting hole 341 and corresponding fixation hole 371 after with nut 382 rotation tighten cooperation.
In practical application, tube coupling 10 is made of concrete material.Internal lining pipe 20, support plate 31, stripper plate 33, plugging plate 34 And fixed plate 37 is made of steel plate, and width, thickness are different.Sealing element 32 has wear-resisting, compressible characteristic, in a reality It applies in example, sealing element 32 can be rubber adhesive tape.
In one embodiment, support plate 31, stripper plate 33, plugging plate 34 and fixed plate 37 is annular in shape and and liner Pipe 20 is coaxially disposed.Specifically, the length of internal lining pipe 20 is about 30cm, and thickness is about 2cm.The length of support plate 31 is about 15cm, thickness are about 1cm.The length of stripper plate 33 is about 1cm, and thickness is about 2cm.The length of plugging plate 34 is about 1cm, thickness About 7cm.The length of fixed plate 37 is about 1cm, and thickness is about 4cm.It should be noted that length is length in the axial direction Degree, the difference of thickness, that is, outer radius and inside radius.
In the embodiment, support plate 31 is welded in after internal lining pipe 20 that protrude the length of internal lining pipe 20 be about 7.5cm.Support plate 31, the accommodating chamber 36 that internal lining pipe 20 and tube coupling 10 surround is annular in shape and thickness is about 2cm.
In one embodiment, multiple mounting holes 341 are evenly spaced on along the circumferential direction of plugging plate 34, the adjacent peace of every two The circular arc distance filled between hole 341 is 30cm.Screw rod part 381 uses M22 bolt, and effective spiro rod length is 7cm.
Further, stripper plate 33 is circumferentially divided into the sliceable fanning strip (not shown) of multistage, facilitates incremental extrusion Sealing element 32 reduces difficulty of construction.In one embodiment, the circular arc distance between the adjacent fanning strip of every two is 50cm.
Specifically, plugging plate 34 is also provided with multiple threaded holes 342, and multiple threaded holes 342 are along the circumferential equal of plugging plate 34 It is even to be spaced apart.Screw element 35 is equal with the quantity of threaded hole 342, and each screw element 35 is arranged in a corresponding threaded hole 342 In and be threadedly engaged.In one embodiment, the circular arc distance between every two adjacent screw holes 342 is 50cm, screw element 35 Using M12 screw rod, effective spiro rod length is 8cm.
Further, each sealing unit 30 further includes oil nozzle 39, and support plate 31 offers through hole 311, and oil nozzle 39 is logical Through hole 311 is crossed to be connected with accommodating chamber 36.Sealing and lubrication can be played by injecting butter into accommodating chamber 36 from oil nozzle 39 Effect.
Specifically, oil nozzle 39 is multiple with through hole 311 and quantity is equal.Multiple through holes 311 are along support plate 31 It is circumferentially evenly spaced on, the circular arc distance between the adjacent through hole 311 of every two is 30cm.In one embodiment, run through Hole 311 is that round and diameter is 5cm.
It should be noted that internal lining pipe 20 and sealing unit 30 can be installed at any time, be dismantled, therefore, the present invention also provides one The construction method of kind tunneltron internode sealing structure 100.Referring to Fig. 3, the construction method of the tunneltron internode sealing structure 100 It mainly comprises the steps that
S101: an internal lining pipe 20 is set in the inner wall ring of the seam crossing of two adjacent tube couplings 10;
S102: a support plate 31 is set in an end ring of internal lining pipe 20;
S103: sealing element 32 is put into internal lining pipe 20, support plate 31 and a tube coupling 10 opposite with the support plate 31 and is enclosed At accommodating chamber 36 in;
S104: the stripper plate 33 of one annular of processing is put into accommodating chamber 36 and is placed in sealing element 32 far from internal lining pipe 20 Side;
S105: plugging plate 34 is simultaneously fixedly connected on support plate 31 by the plugging plate 34 of one annular of processing;And
S106: screw element 35 is arranged in the two sides of plugging plate 34 and rotatable screw 35 pushes stripper plate 33 to squeeze sealing Part 32.
Specifically, in step S104, stripper plate 33 is processed into the annular being spliced by multiple fanning strips.Step S105 In, a fixed plate 37 is set towards the direction ring far from tube coupling 10 in the one end of support plate 31 far from internal lining pipe 20, so that plugging plate 34 Support plate 31 is fixedly connected on by fixed plate 37.Support plate 31 can be fixedly connected by the way of welding with internal lining pipe 20, The mode that welding can be used in fixed plate 37 is fixedly connected with support plate 31, but not limited to this.
In one embodiment, the construction method of tunneltron internode sealing structure 100 still further comprises following steps: The through hole 311 of connection accommodating chamber 36 is opened up in support plate 31 and installs oil nozzle far from one end of accommodating chamber 36 in through hole 311 39, after sealing element 32, which is squeezed pressing plate 33, pushes completion sealing, butter is injected into accommodating chamber 36 from oil nozzle 39.
It should be noted that step S102~S106 only describes the formation sealing unit in wherein one end of internal lining pipe 20 Sequence of construction, the other end of internal lining pipe 20 be also required to setting one sealing unit 30.It can complete a sealing unit 30 Construction after according still further to the sequence of construction of S102~S106 complete another sealing unit 30.It can also be to two sealing units 30 It constructs simultaneously, i.e., at the both ends of internal lining pipe 20, ring sets two support plates 31 and forms two accommodating chambers 36 simultaneously, then will Two sealing elements 32 are respectively put into two accommodating chambers 36, and two stripper plates 33 are put into accommodating chamber 36, then will by two Plugging plate 34 is fixedly connected on support plate 31, finally rotates two screw elements 35 respectively and corresponding stripper plate 33 is pushed to squeeze correspondence Sealing element 32.
In addition, those skilled in the art can also do other variations in spirit of that invention, certainly, these are smart according to the present invention The variation that mind is done, should all be included in scope of the present invention.

Claims (10)

1. a kind of tunneltron internode sealing structure, for sealing the seam between two adjacent tube couplings, it is characterised in that: the tunnel Deferent internode sealing structure includes that the seam crossing positioned at two tube couplings and the internal lining pipe in the tube coupling and two are close Unit is sealed, two sealing units are located at the both ends of the internal lining pipe and are symmetrical arranged;Each sealing unit packet Including support plate, sealing element, stripper plate, plugging plate and screw element, wherein the support plate is located on one end of the internal lining pipe, The sealing element is contained in the accommodating chamber that the support plate, the internal lining pipe and the tube coupling surround, the stripper plate receiving In the accommodating chamber and it is located at side of the sealing element far from the internal lining pipe, the plugging plate is removably secured connection In the support plate, the screw element is arranged in the plugging plate and is located at side of the stripper plate far from the sealing element, The sealing element is squeezed with stripper plate described in rotation forces.
2. tunneltron internode sealing structure as described in claim 1, it is characterised in that: the support plate offers through hole, Each sealing unit further includes oil nozzle, and the oil nozzle is connected by the through hole with the accommodating chamber.
3. tunneltron internode sealing structure as described in claim 1, it is characterised in that: each sealing unit further includes solid Fixed board, the fixed plate are located on the one end of the support plate far from the internal lining pipe and are located at the support plate far from the pipe The side of section, the plugging plate are removably secured by the fixed plate and are connected to the support plate.
4. tunneltron internode sealing structure as claimed in claim 3, it is characterised in that: the tube coupling and the internal lining pipe are Section tube body annular in shape, and the outer diameter of the internal lining pipe corresponds to the internal diameter of the tube coupling;The support plate, the extruding Plate, the plugging plate and the fixed plate it is annular in shape and be coaxially disposed.
5. tunneltron internode sealing structure as claimed in claim 4, it is characterised in that: the plugging plate offers multiple installations Hole, the fixed plate offer multiple fixation holes, and the mounting hole is identical as the quantity of the fixation hole and corresponds distribution; The plugging plate passes through the mounting hole by screw rod part with the fixed plate and the corresponding fixation hole achieves a fixed connection.
6. tunneltron internode sealing structure as claimed in claim 5, it is characterised in that: the length of the internal lining pipe is 30cm, With a thickness of 2cm;The length of the support plate is 15cm, with a thickness of 1cm;The length of the stripper plate is 1cm, with a thickness of 2cm;Institute The length for stating plugging plate is 1cm, with a thickness of 7cm;The length of the fixed plate is 1cm, with a thickness of 4cm.
7. tunneltron internode sealing structure as claimed in claim 6, it is characterised in that: multiple mounting holes are along the closure The circumferential direction of plate is evenly spaced on, and the circular arc distance between the every two adjacent mounting hole is 30cm.
8. tunneltron internode sealing structure as claimed in claim 6, it is characterised in that: the plugging plate offers multiple along week To equally distributed threaded hole, the screw element is equal with the quantity of the threaded hole, and each screw element is arranged in correspondence In one threaded hole and it is threadedly engaged.
9. tunneltron internode sealing structure as claimed in claim 8, it is characterised in that: the every two adjacent threaded hole it Between circular arc distance be 50cm;The stripper plate includes circumferentially distributed multiple fanning strips, the every two adjacent sector Circular arc distance between plate is 50cm.
10. a kind of construction method of tunneltron internode sealing structure, it is characterised in that: the following steps are included:
An internal lining pipe is set in the inner wall ring of the seam crossing of two adjacent tube couplings;
A support plate is set in an end ring of the internal lining pipe;
A sealing element is put into the accommodating chamber that the internal lining pipe, the support plate and the tube coupling surround;
The stripper plate of one annular of processing is put into the accommodating chamber and is placed in side of the sealing element far from the internal lining pipe;
The plugging plate is simultaneously fixedly connected on the support plate by the plugging plate of one annular of processing;And
Screw element, which is arranged in the two sides of the plugging plate, and rotates the screw element pushes the stripper plate to squeeze the sealing Part.
CN201811437395.6A 2018-11-28 2018-11-28 Tunneltron internode sealing structure and its construction method Pending CN109372544A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811437395.6A CN109372544A (en) 2018-11-28 2018-11-28 Tunneltron internode sealing structure and its construction method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811437395.6A CN109372544A (en) 2018-11-28 2018-11-28 Tunneltron internode sealing structure and its construction method

Publications (1)

Publication Number Publication Date
CN109372544A true CN109372544A (en) 2019-02-22

Family

ID=65377676

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811437395.6A Pending CN109372544A (en) 2018-11-28 2018-11-28 Tunneltron internode sealing structure and its construction method

Country Status (1)

Country Link
CN (1) CN109372544A (en)

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002322899A (en) * 2001-04-24 2002-11-08 Shimizu Corp Joint structure of lining body in cast-in-place lining shielding construction method, its execution method and flexible cut-off plate
CN2856672Y (en) * 2005-11-09 2007-01-10 苏州市燃气设备阀门制造有限公司 Translational fast sealing splicing sleeve
CN101024939A (en) * 2006-02-23 2007-08-29 中交第一公路勘察设计研究院 Water-stopping treatment method for steel reinforced concrete pipe culvert
CN103526776A (en) * 2013-10-15 2014-01-22 株洲时代新材料科技股份有限公司 Rubber waterstop rigidity layering method and rubber waterstop for immersed tunnel
CN203924112U (en) * 2014-06-24 2014-11-05 刘小沙 Prefabricated pipe gallery
CN204852606U (en) * 2015-07-26 2015-12-09 中铁十八局集团有限公司 Curve push pipe tube coupling bell and spigot connection form
CN205606079U (en) * 2015-11-02 2016-09-28 深圳市巍特工程技术有限公司 Pipe joint repair system
CN205776401U (en) * 2016-07-12 2016-12-07 中国电建集团昆明勘测设计研究院有限公司 Pipe gallery internode seals structure
US20170175527A1 (en) * 2014-05-06 2017-06-22 Trelleborg Ridderkerk B.V. Method for Producing a Construction Element, in Particular a Tunnel Element, Having a Watertight Seal
CN107761767A (en) * 2017-11-30 2018-03-06 中交航局第工程有限公司 A kind of portable immersed tube tunnel waterstop protection device and its guard method
CN207277369U (en) * 2017-09-05 2018-04-27 北京建工土木工程有限公司 The flat mouth docking connecting node of prefabricated pipe gallery
CN209413912U (en) * 2018-11-28 2019-09-20 中铁隧道集团二处有限公司 Tunneltron internode sealing structure

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002322899A (en) * 2001-04-24 2002-11-08 Shimizu Corp Joint structure of lining body in cast-in-place lining shielding construction method, its execution method and flexible cut-off plate
CN2856672Y (en) * 2005-11-09 2007-01-10 苏州市燃气设备阀门制造有限公司 Translational fast sealing splicing sleeve
CN101024939A (en) * 2006-02-23 2007-08-29 中交第一公路勘察设计研究院 Water-stopping treatment method for steel reinforced concrete pipe culvert
CN103526776A (en) * 2013-10-15 2014-01-22 株洲时代新材料科技股份有限公司 Rubber waterstop rigidity layering method and rubber waterstop for immersed tunnel
US20170175527A1 (en) * 2014-05-06 2017-06-22 Trelleborg Ridderkerk B.V. Method for Producing a Construction Element, in Particular a Tunnel Element, Having a Watertight Seal
CN203924112U (en) * 2014-06-24 2014-11-05 刘小沙 Prefabricated pipe gallery
CN204852606U (en) * 2015-07-26 2015-12-09 中铁十八局集团有限公司 Curve push pipe tube coupling bell and spigot connection form
CN205606079U (en) * 2015-11-02 2016-09-28 深圳市巍特工程技术有限公司 Pipe joint repair system
CN205776401U (en) * 2016-07-12 2016-12-07 中国电建集团昆明勘测设计研究院有限公司 Pipe gallery internode seals structure
CN207277369U (en) * 2017-09-05 2018-04-27 北京建工土木工程有限公司 The flat mouth docking connecting node of prefabricated pipe gallery
CN107761767A (en) * 2017-11-30 2018-03-06 中交航局第工程有限公司 A kind of portable immersed tube tunnel waterstop protection device and its guard method
CN209413912U (en) * 2018-11-28 2019-09-20 中铁隧道集团二处有限公司 Tunneltron internode sealing structure

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Application publication date: 20190222

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