CN205636793U - Immersed tube tunnel piecing devices - Google Patents
Immersed tube tunnel piecing devices Download PDFInfo
- Publication number
- CN205636793U CN205636793U CN201620442471.2U CN201620442471U CN205636793U CN 205636793 U CN205636793 U CN 205636793U CN 201620442471 U CN201620442471 U CN 201620442471U CN 205636793 U CN205636793 U CN 205636793U
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- China
- Prior art keywords
- waterstop
- box hat
- end box
- pressing plate
- omega
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Abstract
The utility model discloses an immersed tube tunnel piecing devices. Including end box hat, waterstop and safety cover, end box hat week laterad sets up four waterproof wire, including the slip casting layer that the flexible waterstop of twice and twice have certain rigidity. Concrete structure is for holding box hat circumference inboard to be equipped with round GINA waterstop, and the outside is equipped with round OMEGA waterstop, and the periphery of joint sets up the safety cover, set up one deck slip casting layer through a slip casting pipe between two waterstops, set up another slip casting layer through another slip casting pipe between outside OMEGA waterstop and the peripheral safety cover. Compared with the prior art, the utility model discloses having increased the slip casting layer that twice have certain rigidity, having strengthened the ability that connects the resistance to deformation on the one hand, on the other hand has improved the anti seawater corrosion ability and the water -proof effects that connect as the waterproof layer to the durability that connects has effectively been improved.
Description
Technical field
This utility model relates to the waterproof construction of a kind of immersed tube tunnel, has good waterproof performance, a feature that durability is strong.
Background technology
The construction method of immersed tube tunnel is to consign the pipeline section prefabricated in location, depressed place to tunnel location section by section, carries out underwater mating section by section after sinking para-position.Tunnel joint is the significant points of immersed tube tunnel, is also weak part simultaneously, and therefore, the joint waterproofing between pipeline section and pipeline section is particularly significant.The service life of immersed tube tunnel is longer, usually about 100 years, in order to realize the waterproof effective and normal operation of immersed tube tunnel in service life of tunnel joint, it is necessary to assure the waterproof quality of tunnel joint.Chinese utility model patent (CN203320573U) discloses the OMEGA waterstop mounting structure of a kind of immersed tube tunnel joint, and this mounting structure includes the steel end housing at tunnel joint, and the peripheral side along described end box hat is provided with a circle OMEGA waterstop.Only immersed tube cannot be stoped completely to leak by a circle OMEGA waterstop.
At present, Joints in Immersed Tunnel many employings flexible joint form both at home and abroad, utilize the powerful water pressure acting on pipeline section rear portion, by level jack drawing, the crimping preliminary sealing of GINA waterstop, then drawing water until all having crimped from joint, OMEGA waterstop being installed in inner side afterwards and does second sealing defence line, meeting the sealing requirement of tunnel joint；Finally do vertical, horizontal shear key and high-strength joint connecting key, complete joint construction under water.All of operation completes the most under water.But this kind of joint on the one hand reply deformation is limited in one's ability, on the other hand there is crack and defect point around waterstop, it is impossible to stop immersed tube to leak, accordingly, it would be desirable to reinforce water blockoff further completely.
Summary of the invention
The problems such as the reply deformability that this utility model exists for existing Joints in Immersed Tunnel device is limited, can not stop that immersed tube leaks completely, it is provided that a kind of construction cost is relatively low, the Joints in Immersed Tunnel structure of good water-proof effect.
The technical scheme realizing above-mentioned purpose is to provide a kind of Joints in Immersed Tunnel device, including end box hat, waterstop and protective cover；Concrete structure is: arrange four road water-proof wires, including twice flexible water stop and twice grouting layer in end box hat peripheral side；Described flexible water stop is included in the circle GINA waterstop arranged inside the circumference of end box hat, the circle OMEGA waterstop that the outer circumferential of end box hat is arranged；Described grouting layer is included in the exterior bottom of end box hat and arranges Grouting Pipe, in the cavity between end box hat and GINA waterstop and OMEGA waterstop, forms grouting layer by Grouting Pipe reperfusion serosity；Another Grouting Pipe is set in the side of protective cover, in the OMEGA waterstop cavity with protective cover, forms grouting layer by another Grouting Pipe reperfusion serosity.
GINA waterstop described in the utility model fits tightly with end box hat, in the side of end box hat and be positioned at the both sides of GINA waterstop lower limb and be respectively welded waterstop briquetting, the above overlap joint waterstop pressing plate of waterstop briquetting, waterstop pressing plate compresses GINA waterstop and waterstop briquetting by threaded fastener simultaneously.
It is provided with fixing device between two ends and the end box hat of described OMEGA waterstop, fixing device includes being arranged on the pressing plate above OMEGA waterstop two ends, it is provided with press strip between pressing plate and OMEGA waterstop, being provided with round steel between pressing plate and end box hat, pressing plate is fastened by bolts part and compresses with OMEGA waterstop and round steel.
Described protective cover is welded on end box hat.
Described bolt fastener includes that hexagonal cylindrical head screw and spring washer, described hexagonal cylindrical head screw and spring washer are stainless steel.
Press strip in described fixing device with between described pressing plate for welding；Pressing plate in fixing device welds with being between described round steel, between described end box hat and described round steel.
In prior art, owing to general Joints in Immersed Tunnel uses rubber fastening band to carry out waterproof, joint is overall in flexibility, and it is limited in one's ability that reply deforms, when immersed tube pipeline section is placed uneven, or joint bears bigger external force, easily cause joint distortion relatively big, cause sea water to leak into tunnel, the operation security in tunnel is brought threat, time serious, even can cause disaster.
Compared with prior art, the utility model has the advantages that: on the basis of existing flexible joint, add twice and there is the grouting layer of certain rigidity, on the one hand the ability of joint resistance to deformation is enhanced, on the other hand anti-seawater corrosion ability and the waterproof effect of joint is improve as waterproof layer, form four road water-proof wires with GINA waterstop and OMEGA waterstop, substantially increase the durability of joint.
Accompanying drawing explanation
Fig. 1 is the structural representation profile of a kind of Joints in Immersed Tunnel device that this utility model embodiment provides；
In figure, 1, GINA waterstop；2, waterstop briquetting；3, waterstop pressing plate；4, Grouting Pipe；5, round steel；6, spring washer；7, hexagonal cylindrical head screw；8, pressing plate；9, press strip；10, end box hat；11, OMEGA waterstop；12, protective cover；13, grouting layer.
Detailed description of the invention
With embodiment, technical solutions of the utility model are described in further detail below in conjunction with the accompanying drawings.
Embodiment 1
Seeing accompanying drawing 1, it is the structural representation profile of a kind of Joints in Immersed Tunnel device that the present embodiment provides；This device includes GINA waterstop 1, waterstop briquetting 2, waterstop pressing plate 3, Grouting Pipe 4, round steel 5, spring washer 6, hexagonal cylindrical head screw 7, pressing plate 8, press strip 9, end box hat 10, OMEGA waterstop 11, protective cover 12 and grouting layer 13.In the present embodiment, end box hat 10 peripheral side arranges four road water-proof wires, including twice flexible water stop 1 and 2 and twice there is the grouting layer 13 of certain rigidity.Being provided with a circle GINA waterstop 1 inside end box hat 10 circumference, outside is provided with a circle OMEGA waterstop 11, and the periphery of joint arranges protective cover 12；Between two waterstops, one layer of grouting layer 13 is set by a Grouting Pipe 4, between outside OMEGA waterstop 11 and peripheral protective cover 12, another grouting layer 13 is set by another Grouting Pipe 4.GINA waterstop fits tightly with end box hat, in the side of end box hat and be positioned at the both sides of GINA waterstop lower limb and be respectively welded waterstop briquetting 2, the above overlap joint waterstop pressing plate 3 of waterstop briquetting, waterstop pressing plate compresses GINA waterstop and waterstop briquetting by threaded fastener simultaneously.It is provided with fixing device between two ends and the end box hat of OMEGA waterstop, fixing device includes being arranged on the pressing plate 8 above OMEGA waterstop two ends, press strip 9 it is provided with between pressing plate and OMEGA waterstop, being provided with round steel 5 between pressing plate and end box hat, pressing plate is fastened by bolts part and compresses with OMEGA waterstop and round steel.
In the present embodiment, bolt fastener includes that hexagonal cylindrical head screw 7 and spring washer 6, hexagonal cylindrical head screw and spring washer all use stainless steel.
In the present embodiment, the press strip in fixing device and between pressing plate for welding, the pressing plate in fixing device and between round steel, be and weld between end box hat and round steel, also for welding between protective cover with end box hat.
The present embodiment respectively arranges a slip casting steel pipe at OMEGA waterstop upper and lower, utilizes the grouting layer with certain rigidity, increases the intensity of joint, improves anticorrosion and the waterproof effect of joint.
Using the Joints in Immersed Tunnel device that this utility model provides, its construction method comprises the steps:
1, prefabricated end box hat in the outer dock of water, end box hat welds with tube coupling, is fixed on inside end box hat circumference by GINA waterstop by hexagonal cylindrical head screw, waterstop briquetting and waterstop pressing plate.
2, bolt hole is set bottom end box hat, fill up butter in hole, prevent blocking, utilize fixing device to be fixed on by OMEGA waterstop on end box hat, fixing device is made up of pressing plate, press strip, round steel and hexagonal cylindrical head screw, before installing, pressing plate, press strip and round steel is welded into entirety.
3, immersed tube sinking completes, and installs drawing jack, GINA waterstop carries out the preliminary sealing of precompressed.
4, after having crimped, installing OMEGA waterstop, OMEGA waterstop is progressively installed to both sides by Guan Ding centre position, installs at top board, at side wall successively, and at last mounting base, OMEGA waterstop joint is located at base plate position, uses hot connection to weld.
5, after the installation of OMEGA waterstop; outside OMEGA waterstop, welding protection cover, opens built-in slip casting pipe, and the cavity of two flexible water stops and the cavity reperfusion serosity of OMEGA waterstop and protective cover are formed grouting layer; increase the intensity of joint, improve anticorrosion and the waterproof effect of joint.
Claims (7)
1. a Joints in Immersed Tunnel device, including end box hat, waterstop and protective cover, it is characterised in that: in end box hat (10) peripheral side, four road water-proof wires are set, including twice flexible water stop and twice grouting layer；Described flexible water stop is included in circle GINA waterstop (1) arranged inside the circumference of end box hat (10), circle OMEGA waterstop (11) that the outer circumferential of end box hat (10) is arranged；Described grouting layer is included in the exterior bottom of end box hat (10) and arranges Grouting Pipe (4), in the cavity between end box hat (10) and GINA waterstop (1) and OMEGA waterstop (11), forms grouting layer (13) by Grouting Pipe (4) reperfusion serosity；Another Grouting Pipe (4) is set in the side of protective cover (12), in the OMEGA waterstop (11) cavity with protective cover (12), forms grouting layer (13) by another Grouting Pipe (4) reperfusion serosity.
A kind of Joints in Immersed Tunnel device the most according to claim 1, it is characterized in that: described GINA waterstop (1) fits tightly with end box hat (10), in the side of end box hat (10) and be positioned at the both sides of GINA waterstop (1) lower limb and be respectively welded waterstop briquetting (2), above overlap joint waterstop pressing plate (3) of waterstop briquetting (2), waterstop pressing plate (3) compresses GINA waterstop (1) and waterstop briquetting (2) by threaded fastener simultaneously.
A kind of Joints in Immersed Tunnel device the most according to claim 1, it is characterized in that: between two ends and end box hat (10) of described OMEGA waterstop (11), be provided with fixing device, fixing device includes the pressing plate (8) being arranged on above OMEGA waterstop (11) two ends, press strip (9) it is provided with between pressing plate (8) and OMEGA waterstop (11), being provided with round steel (5) between pressing plate (8) and end box hat (10), pressing plate (8) is fastened by bolts part and compresses with OMEGA waterstop (11) and round steel (5).
A kind of Joints in Immersed Tunnel device the most according to claim 1, it is characterised in that: described protective cover (12) is welded on end box hat (10).
A kind of Joints in Immersed Tunnel device the most according to claim 3, it is characterised in that: described bolt fastener includes that hexagonal cylindrical head screw (7) and spring washer (6), described hexagonal cylindrical head screw (7) and spring washer (6) are stainless steel.
A kind of Joints in Immersed Tunnel device the most according to claim 3, it is characterised in that: the press strip (9) in described fixing device and between described pressing plate (8) for welding.
A kind of Joints in Immersed Tunnel device the most according to claim 3, it is characterised in that: the pressing plate (8) in described fixing device and being between described round steel (5), between described end box hat (10) and described round steel (5) welds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620442471.2U CN205636793U (en) | 2016-05-16 | 2016-05-16 | Immersed tube tunnel piecing devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620442471.2U CN205636793U (en) | 2016-05-16 | 2016-05-16 | Immersed tube tunnel piecing devices |
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| Publication Number | Publication Date |
|---|---|
| CN205636793U true CN205636793U (en) | 2016-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620442471.2U Expired - Fee Related CN205636793U (en) | 2016-05-16 | 2016-05-16 | Immersed tube tunnel piecing devices |
Country Status (1)
| Country | Link |
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| CN (1) | CN205636793U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489434A (en) * | 2017-08-31 | 2017-12-19 | 中交第四航务工程局有限公司 | Underwater waterstop leak hunting method after a kind of immersed tube tunnel installation |
| 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 |
| CN108240001A (en) * | 2018-01-29 | 2018-07-03 | 中交第航务工程局有限公司 | Immersed tube tunnel final connector and its docking construction method |
| CN112222723A (en) * | 2020-09-28 | 2021-01-15 | 中船黄埔文冲船舶有限公司 | End panel construction method |
| CN114508127A (en) * | 2022-03-22 | 2022-05-17 | 西南石油大学 | Novel suspended tunnel pipe body joint form |
-
2016
- 2016-05-16 CN CN201620442471.2U patent/CN205636793U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489434A (en) * | 2017-08-31 | 2017-12-19 | 中交第四航务工程局有限公司 | Underwater waterstop leak hunting method after a kind of immersed tube tunnel installation |
| 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 |
| CN107761767B (en) * | 2017-11-30 | 2019-11-05 | 中交一航局第一工程有限公司 | A kind of immersed tube tunnel waterstop guard method |
| CN108240001A (en) * | 2018-01-29 | 2018-07-03 | 中交第航务工程局有限公司 | Immersed tube tunnel final connector and its docking construction method |
| CN108240001B (en) * | 2018-01-29 | 2024-02-02 | 中交第一航务工程局有限公司 | Final joint for immersed tube tunnel and butt joint construction method thereof |
| CN112222723A (en) * | 2020-09-28 | 2021-01-15 | 中船黄埔文冲船舶有限公司 | End panel construction method |
| CN112222723B (en) * | 2020-09-28 | 2022-09-02 | 中船黄埔文冲船舶有限公司 | End panel construction method |
| CN114508127A (en) * | 2022-03-22 | 2022-05-17 | 西南石油大学 | Novel suspended tunnel pipe body joint form |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 |
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| CF01 | Termination of patent right due to non-payment of annual fee |