CN106351676B - A kind of shield tunnel flexible segment - Google Patents
A kind of shield tunnel flexible segment Download PDFInfo
- Publication number
- CN106351676B CN106351676B CN201610955250.XA CN201610955250A CN106351676B CN 106351676 B CN106351676 B CN 106351676B CN 201610955250 A CN201610955250 A CN 201610955250A CN 106351676 B CN106351676 B CN 106351676B
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- main body
- flexible segment
- floor
- segment main
- shield tunnel
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- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 34
- 239000010959 steel Substances 0.000 claims description 34
- 229920001971 elastomer Polymers 0.000 claims description 23
- 239000011241 protective layer Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 239000002689 soil Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000007787 solid Substances 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
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
- E21D11/383—Waterproofing; Heat insulating; Soundproofing; Electric insulating by applying waterproof flexible sheets; Means for fixing the sheets to the tunnel or cavity wall
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
The present invention relates to a kind of shield tunnel flexible segments, belong to shield tunnel anti-seismic technology field.A kind of shield tunnel flexible segment, it include: flexible segment main body A and flexible segment main body B, it is connected between the flexible segment main body A and flexible segment main body B by power transmission stick and power transmission, is additionally provided with hermetic seal structure between the flexible segment main body A and flexible segment main body B.When an earthquake occurs, when axial deformation in limiting design value occurs for duct pieces of shield tunnel, flexible segment main structure of the present invention can guarantee the stability of duct pieces of shield tunnel, hermetic seal structure can guarantee leakproofness when deformation, seismic force can be passed to adjacent section of jurisdiction by power transmission stick, guarantee shield tunnel overall stability.The configuration of the present invention is simple can be convenient for site operation in factory process, on-site assembly.
Description
Technical field
The present invention relates to a kind of shield tunnel flexible segments, belong to shield tunnel anti-seismic technology field.
Background technique
Shield tunnel is because itself mass per volume is more much smaller than surrounding soil mass per volume, and geological process is in tunnel
The inertia force of section is compared to small for the inertia force of the periphery soil body.When geological process, tunnel is vibrated with surrounding soil, deformation
It must be with the relative displacement and compatibility of deformation of surrounding soil.Prefabricated pipe section is bolted together by shield tunnel using bolt, generally
Flexible structure, longitudinal have certain deformability, but according to previous engineering disaster-stricken situation, in stratum sharp change in elevation when earthquake
Or the moderate finite deformation at active fault often results in that Segment cracking, tunnel are disaster-stricken, only the deformability by tunnel junction cannot
Meet the deformation requirements of Special zone.
Summary of the invention
Problem to be solved by this invention is that shield tunnel can absorb stratum sharp change in elevation or active fault in earthquake
The axial deflection at place, and the pressure of axial deformation generation can be born, and guarantee leakproofness, to solve the above problems, this hair
It is bright to be designed to provide a kind of shield tunnel flexible segment, the axial deflection that shield tunnel can be allowed certain, while again
It is able to maintain high rigidity self-stability and waterproofness.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of shield tunnel flexible segment, comprising: flexible segment main body A and flexible segment main body B, the flexible segment master
Connected between body A and flexible segment main body B by power transmission stick and power transmission, the flexible segment main body A and flexible segment main body B it
Between be additionally provided with hermetic seal structure；
The power transmission stick is made of two bearing bolts, yielding rubber and steel bushing, wherein the head of two bearing bolts
It is separately fixed in flexible segment main body A and flexible segment main body B, is connected between the tail portion of two bearing bolts by yielding rubber
It connects, described two bearing bolts and buffering rubber sleeve have a steel bushing；
The hermetic seal structure includes twice M shape waterstop and expanded rubber, and the expanded rubber is set to flexible pipe
On the outside of the gap of piece main body A and flexible segment main body B, the twice M shape waterstop is arranged in the two sides of the power transmission stick,
And the both ends of the twice M shape waterstop pass through fixing bolt respectively and are fixed on flexible segment main body A and flexible segment main body B
On.
Further, the flexible segment main body A and flexible segment main body B are along the longitudinally connected of shield tunnel.
Further, the flexible segment main body A and flexible segment main body B be the external steel frame being welded by steel plate,
Internal casting concrete is constituted.
Further, the steel frame of the flexible segment main body A is by exterior panel A, outer floor A, outer floor B and inner rib plate
A is welded；
The steel frame of the flexible segment main body B is by exterior panel B, outer floor B, inner rib plate B, outer floor C, floor D, rib
Plate E and floor F are welded；
Wherein, outer floor A, inner rib plate A, floor E and floor F being longitudinally arranged along shield tunnel；
Exterior panel A and exterior panel B are circumferentially disposed along the periphery of shield tunnel；
Outer floor B, inner rib plate B and outer floor C are along the vertical arrangement of the circumferential direction of shield tunnel；
Floor D connection inner rib plate B and outer floor C, and floor D is arranged in the flexible segment main body A and flexible segment master
On the outside of the gap of body B.
Further, the both ends of the twice M shape waterstop pass through fixing bolt respectively and are fixed on flexible segment main body A
On the outer floor C of outer floor B and flexible segment main body B.
Further, both ends are equipped with three pieces of support plates, the fixed internal-rib of one of support plate altogether on the inside of the expanded rubber
On plate B, in addition two pieces of support plates are by supporting backing plate to be fixed on the floor D.
Further, the bearing bolt is equipped with external screw thread, be equipped with inside the steel bushing on the bearing bolt
The internal screw thread that external screw thread matches.
Further, the both ends of the twice M shape waterstop and the junction of fixing bolt are equipped with angle steel, and the angle steel
It is surrounded by rubber protective layer outside.
Further, pass through curved spiral shell between the flexible segment main body A and flexible segment main body B and adjacent common section of jurisdiction
It tethers and connects.
Further, the thickness of the flexible segment main body A or flexible segment main body B, radius of curvature and common section of jurisdiction phase
Together.
The invention has the benefit that
When an earthquake occurs, when the axial deformation in limiting design value occurs for duct pieces of shield tunnel, flexible pipe of the present invention
Piece main structure can guarantee that the stability of duct pieces of shield tunnel, hermetic seal structure can guarantee leakproofness when deformation, power transmission stick
Seismic force can be passed to adjacent section of jurisdiction, guarantee shield tunnel overall stability.The configuration of the present invention is simple, can in factory process,
On-site assembly is convenient for site operation.
Detailed description of the invention
Fig. 1 is flexible segment inside structure expanded schematic diagram of the present invention；
Fig. 2 is A-A cross-sectional view in Fig. 1；
Fig. 3 is bearing bolt arrangement schematic diagram；
Wherein, the outer floor C, 7- of outer floor B, the 5- inner rib plate B, 6- of the outer floor A, 4- of 1- exterior panel A, 2- exterior panel B, 3- is solid
Determine bolt, 8- yielding rubber, 9- steel bushing, 10- bearing bolt, 11-M shape waterstop, 12- angle steel, 13- inner rib plate A, 14- branch
Fagging, 15- support backing plate, 16- expanded rubber, 17- floor D, 18- floor E, 19- floor F, 20- flexible segment main body A, 21-
The curved bolt hole of flexible segment main body B, 22-, 23- injected hole.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
Embodiment
Shield tunnel flexible segment described in the present embodiment is a kind of implementation used in diameter Ф 4250mm shield tunnel
Scheme, the shield tunnel flexible segment, as depicted in figs. 1 and 2, comprising: flexible segment main body A 20 and flexible segment main body
B21, the flexible segment main body A 20 and flexible segment main body B21 are along the longitudinally connected of shield tunnel, the flexible segment main body
It is connected between A20 and flexible segment main body B21 by power transmission stick and power transmission.The flexible segment main body A 20 and flexible segment master
Body B21 is that steel frame, the internal casting concrete that outside is welded by steel plate are constituted.The flexible segment main body A 20 and flexibility
It is bolted between section of jurisdiction main body B21 and adjacent common section of jurisdiction by curved.The flexible segment main body A 20 or flexible segment master
The thickness of body B21, radius of curvature are identical as common section of jurisdiction.
The steel frame of the flexible segment main body A 20 is by exterior panel A1, outer floor A3, outer floor B4 and inner rib plate A13
It is welded, specifically successively by outer floor A3, inner rib plate A13, outer floor B4, inner rib plate A13, outer floor A3, outer floor B4
The surrounding for flexible segment main body A 20, exterior panel 1 and inside panel are welded to connect respectively as the outer wall of flexible segment main body A 20
And inner wall.Outer floor B4 is perpendicular to outer floor A3 and inner rib plate A13, and one of outer floor B4 is set to the outer floor A3
Between inner rib plate A13.
The steel frame of the flexible segment main body B21 is by exterior panel B2, outer floor B4, inner rib plate B5, outer floor C6, rib
Plate D17, floor E18 and floor F19 are welded, specifically successively by floor F19, floor E18, outer floor B4, floor E18,
The surrounding that it is flexible segment main body B21 that floor F19, outer floor C6, which are welded to connect, exterior panel B2 and inside panel are respectively as flexibility
The outer wall and inner wall of section of jurisdiction main body B21.Along the side for being parallel to outer floor B4 inside the steel frame of the flexible segment main body B21
To inner rib plate B5 is further respectively had, the inner rib plate B5 is perpendicular to floor E18 and floor F19, and inner rib plate B5 is set to floor
E18 and the junction floor F19.
Wherein, outer floor A3, inner rib plate A13, floor E18 and floor F19 being longitudinally arranged along shield tunnel；
Exterior panel A1 and exterior panel B2 are circumferentially disposed along the periphery of shield tunnel；
Outer floor B4, inner rib plate B5 and outer floor C6 are along the vertical arrangement of the circumferential direction of shield tunnel；
Floor D17 connection inner rib plate B5 and outer floor C6, and floor D17 is arranged in the flexible segment main body A 20 and soft
Property section of jurisdiction main body B21 gap on the outside of, and be located at the inner rib plate A13 inside.
Hermetic seal structure is additionally provided between the flexible segment main body A 20 and flexible segment main body B21.
The power transmission stick is made of two bearing bolts 10, yielding rubber 8 and steel bushing 9, wherein two bearing bolts 10
Head be separately fixed in flexible segment main body A 20 and flexible segment main body B21, between the tail portion of two bearing bolts 10 lead to
The connection of yielding rubber 8 is crossed, is cased with a steel bushing 9 outside described two bearing bolts 10 and yielding rubber 8；On the bearing bolt 10
Equipped with external screw thread, the internal screw thread to match with external screw thread on the bearing bolt 10 is equipped with inside the steel bushing 9.
The hermetic seal structure includes twice M shape waterstop 11 and expanded rubber 16, and the expanded rubber 16 is set to
On the outside of the gap of flexible segment main body A 20 and flexible segment main body B21, the twice M shape waterstop 11 is set to inner rib plate A13
Inside, and twice M shape waterstop 11 is arranged in the two sides of the power transmission stick, the both ends point of the twice M shape waterstop 11
Not Tong Guo fixing bolt 7 be fixed on the outer floor C6 of outer floor B4 and flexible segment main body B21 of flexible segment main body A 20.
The both ends of the twice M shape waterstop 11 and the junction of fixing bolt 7 are equipped with angle steel 12, and rubber is surrounded by outside the angle steel 12
Protective layer.
The 16 inside both ends of expanded rubber are equipped with three pieces of support plates 14, the fixed inner rib plate B5 of one of support plate 14 altogether
On, in addition two pieces of support plates are by supporting backing plate 15 to be fixed on the floor D17, while passing through support backing plate 15 and inner rib plate
A13 is fixedly connected.
The material of M shape waterstop is neoprene.
Specifically, the curved inner radius of exterior panel A1, exterior panel B2 are Ф 4810mm, thickness 16mm, curved angle is 72 degree；
Floor D17 is annular, and internal diameter is Ф 4680mm, and thickness 16mm, curved angle is 72 degree；
Outer floor B4, inner rib plate B5, outer floor C6 are annular, and internal diameter is Ф 4250mm, thickness 16mm；
Bearing bolt 10 is diameter M24 bolt；Steel bushing 9 is the steel pipe of internal diameter Φ 51 × 4；
The material that the steel plate, bolt use is carbon steel plate；
The flexible segment is connect by the curved bolt of M24 with adjacent common section of jurisdiction；
The present embodiment can guarantee stability, the leakproofness of shield tunnel flexible segment when 30mm axial deflection occurs.
The configuration of the present invention is simple can be convenient for site operation in factory process, on-site assembly.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of shield tunnel flexible segment characterized by comprising flexible segment main body A (20) and flexible segment main body B
(21), it is connected between the flexible segment main body A (20) and flexible segment main body B (21) by power transmission stick and power transmission, it is described soft
Hermetic seal structure is additionally provided between property section of jurisdiction main body A (20) and flexible segment main body B (21)；
The power transmission stick is made of two bearing bolts (10), yielding rubber (8) and steel bushing (9), wherein two bearing bolts
(10) head is separately fixed in flexible segment main body A (20) and flexible segment main body B (21), two bearing bolts (10)
It is connected between tail portion by yielding rubber (8), a steel bushing is cased with outside described two bearing bolts (10) and yielding rubber (8)
(9)；
The hermetic seal structure includes twice M shape waterstop (11) and expanded rubber (16), expanded rubber (16) setting
On the outside of the gap of flexible segment main body A (20) and flexible segment main body B (21), twice M shape waterstop (11) the difference cloth
Set in the two sides of the power transmission stick, and the both ends of the twice M shape waterstop (11) pass through respectively fixing bolt (7) be fixed on it is soft
In property section of jurisdiction main body A (20) and flexible segment main body B (21)；
The flexible segment main body A (20) and flexible segment main body B (21) are that the external steel frame being welded by steel plate, inside are poured
Build concrete composition；
The steel frame of the flexible segment main body A (20) is by outer floor A (3), inner rib plate A (13), outer floor B (4), inner rib plate
A (13), outer floor A (3), outer floor B (4) are welded to connect the surrounding for flexible segment main body A (20), exterior panel (1) and inner wall
Outer wall and inner wall of the plate respectively as flexible segment main body A (20)；Outer floor B (4) is perpendicular to outer floor A (3) and inner rib plate A
(13), and one of outer floor B4 is set between the outer floor A (3) and inner rib plate A (13)；
The steel frame of the flexible segment main body B (21) is by floor F (19), floor E (18), outer floor B (4), floor E
(18), the surrounding that it is flexible segment main body B (21) that floor F (19), outer floor C (6), which are welded to connect, exterior panel B (2) and inside panel
Respectively as the outer wall and inner wall of flexible segment main body B (21)；Along flat inside the steel frame of the flexible segment main body B (21)
Row further respectively has inner rib plate B (5) in the direction of outer floor B (4), and the inner rib plate B (5) is perpendicular to floor E (18) and floor F
(19), and inner rib plate B (5) is set to floor E (18) and floor F (19) junction；
Outer floor A (3), inner rib plate A (13), floor E (18) and floor F (19) being longitudinally arranged along shield tunnel；Exterior panel A
(1) and exterior panel B (2) is circumferentially disposed along the periphery of shield tunnel；Outer floor B (4), inner rib plate B (5) and outer floor C (6) are equal
Along the vertical arrangement of the circumferential direction of shield tunnel；Floor D (17) connection inner rib plate B (5) and outer floor C (6), and floor D (17) is arranged
On the outside of the gap of the flexible segment main body A (20) and flexible segment main body B (21), and it is located at the inner rib plate A (13)
Inside；
The both ends of the twice M shape waterstop (11) pass through fixing bolt (7) respectively and are fixed on the outer of flexible segment main body A (20)
On the outer floor C (6) of floor B (4) and flexible segment main body B (21)；
Both ends are equipped with three pieces of support plates (14), the fixed inner rib plate of one of support plate (14) altogether on the inside of the expanded rubber (16)
On B (5), in addition two pieces of support plates are by supporting backing plate (15) to be fixed on the floor D (17)；
The both ends of the twice M shape waterstop (11) and the junction of fixing bolt (7) are equipped with angle steel (12), and the angle steel
(12) rubber protective layer is surrounded by outside.
2. shield tunnel flexible segment according to claim 1, which is characterized in that the flexible segment main body A (20) and
Flexible segment main body B (21) is along the longitudinally connected of shield tunnel.
3. shield tunnel flexible segment according to claim 1, which is characterized in that the bearing bolt (10) is equipped with outer
Screw thread, the steel bushing (9) is internal to be equipped with the internal screw thread to match with external screw thread on the bearing bolt (10).
4. shield tunnel flexible segment according to claim 1, which is characterized in that the flexible segment main body A (20) and
It is bolted between flexible segment main body B (21) and adjacent common section of jurisdiction by curved.
5. shield tunnel flexible segment according to claim 1, which is characterized in that the flexible segment main body A (20) or
The thickness of flexible segment main body B (21), radius of curvature are identical as common section of jurisdiction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610955250.XA CN106351676B (en) | 2016-10-27 | 2016-10-27 | A kind of shield tunnel flexible segment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610955250.XA CN106351676B (en) | 2016-10-27 | 2016-10-27 | A kind of shield tunnel flexible segment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106351676A CN106351676A (en) | 2017-01-25 |
| CN106351676B true CN106351676B (en) | 2018-12-25 |
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ID=57864557
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610955250.XA Active CN106351676B (en) | 2016-10-27 | 2016-10-27 | A kind of shield tunnel flexible segment |
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| Country | Link |
|---|---|
| CN (1) | CN106351676B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113503168B (en) * | 2021-06-21 | 2023-03-31 | 上海市城市建设设计研究总院（集团）有限公司 | Longitudinal joint structure of shield tunnel in high-intensity earthquake active fault area |
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| US5794987A (en) * | 1994-12-12 | 1998-08-18 | Seibu Polymer Kasei Kabushiki Kaisha | Flexible joint for a culvert |
| JP2002121998A (en) * | 2000-10-18 | 2002-04-26 | Nitto Kohki Co Ltd | Flexible coupling device |
| CN200943500Y (en) * | 2006-08-07 | 2007-09-05 | 上海市隧道工程轨道交通设计研究院 | Tunnel treatment system for adapting to large uneven precipitation or stagger of stratum |
| JP2010265683A (en) * | 2009-05-15 | 2010-11-25 | Tokyo Electric Power Co Inc:The | Underground structure |
| CN203462606U (en) * | 2013-08-06 | 2014-03-05 | 同济大学 | Combined energy-dissipation coupling beam |
| CN104612018A (en) * | 2014-12-25 | 2015-05-13 | 东南大学 | Dowel bar with combined structure for cement concrete pavements and durable stitch contracting structure |
| CN206158765U (en) * | 2016-10-27 | 2017-05-10 | 中国石油天然气集团公司 | Flexible section of jurisdiction of shield tunnel |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4279057B2 (en) * | 2003-06-10 | 2009-06-17 | 住友ゴム工業株式会社 | Joint structure of flexible segment and shield tunnel using it |
-
2016
- 2016-10-27 CN CN201610955250.XA patent/CN106351676B/en active Active
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|---|---|---|---|---|
| US5794987A (en) * | 1994-12-12 | 1998-08-18 | Seibu Polymer Kasei Kabushiki Kaisha | Flexible joint for a culvert |
| JP2002121998A (en) * | 2000-10-18 | 2002-04-26 | Nitto Kohki Co Ltd | Flexible coupling device |
| CN200943500Y (en) * | 2006-08-07 | 2007-09-05 | 上海市隧道工程轨道交通设计研究院 | Tunnel treatment system for adapting to large uneven precipitation or stagger of stratum |
| JP2010265683A (en) * | 2009-05-15 | 2010-11-25 | Tokyo Electric Power Co Inc:The | Underground structure |
| CN203462606U (en) * | 2013-08-06 | 2014-03-05 | 同济大学 | Combined energy-dissipation coupling beam |
| CN104612018A (en) * | 2014-12-25 | 2015-05-13 | 东南大学 | Dowel bar with combined structure for cement concrete pavements and durable stitch contracting structure |
| CN206158765U (en) * | 2016-10-27 | 2017-05-10 | 中国石油天然气集团公司 | Flexible section of jurisdiction of shield tunnel |
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| Title |
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| 盾构隧道与竖井连接处管片及接头震害分析;赵武胜等;《岩石力学与工程学报》;20120930;第31卷;3848-3854 * |
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| CN106351676A (en) | 2017-01-25 |
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