CN104775445B - A kind of hanging caisson device - Google Patents

A kind of hanging caisson device Download PDF

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Publication number
CN104775445B
CN104775445B CN201510120804.XA CN201510120804A CN104775445B CN 104775445 B CN104775445 B CN 104775445B CN 201510120804 A CN201510120804 A CN 201510120804A CN 104775445 B CN104775445 B CN 104775445B
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China
Prior art keywords
pier stud
steel
cover
water
caisson
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CN201510120804.XA
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Chinese (zh)
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CN104775445A (en
Inventor
邓剑涛
朱春森
陈祥希
黄阳
陈俊义
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福建省建研工程顾问有限公司
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Priority to CN201510120804.XA priority Critical patent/CN104775445B/en
Publication of CN104775445A publication Critical patent/CN104775445A/en
Application granted granted Critical
Publication of CN104775445B publication Critical patent/CN104775445B/en

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Abstract

A kind of hanging caisson device, is arranged at around pier stud to be repaired, and including back cover tapered steel case, circular steel moulding box, described back cover tapered steel case is connected by bolt with described circular steel moulding box;Described circular steel moulding box is connected on described pier stud by a hanger, is connected by a trip gear between described hanger with described circular steel moulding box, and described hanger is fixed on described pier stud by threaded reinforcing bar;It is provided with watertight rubber band between described back cover tapered steel bottom portion and described pier stud.It is additionally provided with back cover concrete between described back cover tapered steel bottom portion and described pier stud.It is additionally provided with a baffle plate between described back cover tapered steel bottom portion and described pier stud.It is additionally provided with a valve, for pressure regulation, water transfer on described back cover tapered steel case.The present invention uses Novel hung method, solves the problem that bridge pier water proof in water is reinforced, and its low cost is effective.

Description

A kind of hanging caisson device
[technical field]
The invention belongs to bridge construction field of engineering technology, specifically refer to a kind of hanging caisson device.
[background technology]
Bridge is the throat of highway communication, and its quality directly affects the unimpeded of whole piece circuit.On-water bridge is special It not the water eroding and flooding that in the water of bridge at sea, pier stud is easily subject to the foreign material such as boats and ships touching and current, make Spalling to concrete after the damage of Cheng Shuizhong pier stud concrete surface and steel bar corrosion, can be to bridge time serious The use of beam causes safely strong influence.
At present, the method that in water, bridge pier is reinforced is to use sinking type water proof caisson, and its way is on pier stud Arranging caisson draining and form the working place of construction, it utilizes water-bed ground or cushion cap to exist as supporting body Water between pier stud and caisson and smash one layer of underwater concrete and carry out sealing, because of the difference of different depth hydraulic pressure, typically Requiring that closed concrete thickness water is at least up to 0.5m time shallow under water, require thicker during the depth of water, cost is very High.
Prior art be use to damage pier stud carry out water proof after detect under the dry condition after again Design reinforcement construction.For create be dried construction operation space be accomplished by taking steps to a pier stud and water every Leaving, traditional way is to arrange caisson draining on pier stud to form the working place of construction, and it utilizes Water-bed ground or cushion cap water between pier stud and caisson as supporting body to be smash one layer of underwater concrete and only comes Water, because of the difference of different depth hydraulic pressure, general water requires time shallow that closed concrete reaches more than 0.5m under water Thickness.If the degree of depth running into water is bigger, often due to the difficulty of underwater construction operation causes unsuccessfully machine Rate is the biggest.The main difficulty reinforced the pier stud of bridge in water is to build the construction behaviour of water proof Make space, the bottom chin-deep in particular for the top half of position pier stud in water reinforced, because of Need to sink to the bottom for caisson, use traditional sinking type caisson to do working system construction cost the highest.
[summary of the invention]
Technology to be solved by this invention is to provide a kind of hanging caisson device, uses Novel hung method, Solve the problem that bridge pier water proof in water is reinforced, its low cost, effective.
The present invention is achieved in that
A kind of hanging caisson device, is arranged at around pier stud to be repaired, including back cover tapered steel case, circle Shape steel mould box, described back cover tapered steel case is connected by bolt with described circular steel moulding box;Described circle Steel mould box is connected on described pier stud by a hanger, passes through between described hanger and described circular steel moulding box One trip gear is connected, and described hanger is fixed on described pier stud by threaded reinforcing bar;Described envelope It is provided with watertight rubber band between tapered steel bottom portion, the end and described pier stud.
Further, it is additionally provided with back cover concrete between described back cover tapered steel bottom portion and described pier stud.
Further, it is additionally provided with a baffle plate between described back cover tapered steel bottom portion and described pier stud.
Further, described back cover tapered steel case is additionally provided with a valve, for pressure regulation, water transfer.
It is an advantage of the current invention that: caisson, without falling the bottom, only need to be suspended on surface to be reinforced. Cost is low, and the duration is short, and caisson equipment major part can be reused, and reaches the purpose of environmental protection. The two waterproof water-stopping methods in road that the present invention proposes, have created the first of self-adapting variable cross-section watertight rubber band Water-stopping method, substantially increases the reliability of sealing.Traditional water-stopping method only has one concrete sealing, only The thickness of water concrete, material are desirable that higher, sealing failure easily occur.
[accompanying drawing explanation]
The invention will be further described the most in conjunction with the embodiments.
Fig. 1 is the present invention hanging caisset schematic diagram.
Fig. 2 is A portion enlarged diagram in the present invention.
Fig. 3 is B portion enlarged diagram in the present invention.
[detailed description of the invention]
Refer to shown in Fig. 1 to Fig. 3, a kind of hanging caisson device, it is arranged at around pier stud to be repaired, Including back cover tapered steel case 6b, circular steel moulding box 6a, described back cover tapered steel case 6b and described circular steel Moulding box 6a is bolted, and uses watertight rubber band 8 to strengthen sealing performance;Described back cover tapered steel Back cover concrete 11, watertight rubber band 12 it is provided with for back cover tapered steel case 6b and circular steel bottom case 6b Sealing between moulding box 6a, also a baffle plate 10 prevents the back cover concrete of perfusion by water under high pressure jack-up;Described Circular steel moulding box 6a is connected on described pier stud by a hanger 3, described hanger 3 and described circular punching block Being connected by a trip gear 4 between case, described hanger 3 is implanted to pier by threaded reinforcing bar 1 On post, nut 2 of screwing on is fixed.
It is additionally provided with a valve 9, for pressure regulation, water transfer on described back cover tapered steel case 6b.
The following detailed description of construction process:
A, the design of hanging caisson, making: hanging caisson uses two panels circular steel moulding box 6a and two panels envelope The end upper and lower two parts of tapered steel case 6b combine.
B, operation platform are set up: set up a U-shaped operation platform fluctuated with tidewater outside pier stud, Platform uses the splicing of large-scale foam, lays template, and fixes with steel pipe frame, execute for the later stage in flat surface Work provides work platforms.
C, pier stud concrete surface process (slightly, same to conventional treatment).
D, hanging caisson is installed: near the above 2m of defective locations, implant threaded reinforcing bar 1, installs Prefabricated triangular caisson hanger 3 (similar air conditioner support), and nut 2 of screwing on.
E, the lifting of hanging caisson: hereafter, by the hook on caisson by prefabricated hanging caisson 6 The snap ring being suspended to caisson hanger is buckled.
F, the setting of first self-adapting variable cross-section sealing adhesive tape: tapered steel case microcephaly puts special self adaptation Variable cross-section watertight rubber band 12, after tightly lock against remove shape on clean former pile foundation steel bushing on surface Become first mine dam.
The preparation of g, second waterproof back cover concrete and watering is smash: there is provision of second outside first mine dam Road waterproof back cover concrete 11, water principles of action when smashing rest in water level minimum time proceed by, open valve 9 allow heavy Water inside and outside case is discharged easily and enters, to facilitate the external and internal pressure difference of balance caisson.
H, check stagnant water effect: closed concrete water just can close after having smash three days valve 9 try draw water Checking on effect, when not reaching stagnant water effect, should search dismantling concrete after reason, again waters to smash to close and mixes Solidifying soil, until reaching satisfied stagnant water effect.
I, pier shaft punching block are installed: carry out in the space that hanging caisson provides according to a conventional method.
J, reinforced concrete water to be smash: enter in the punching block inside the space that hanging caisson provides according to a conventional method OK.
The caisson of the present invention, without falling the bottom, only need to be suspended on surface to be reinforced.Cost is low, work Phase is short, and caisson equipment major part can be reused, and reaches the purpose of environmental protection.The present invention proposes The two waterproof water-stopping methods in road, created the first water-stopping method of self-adapting variable cross-section watertight rubber band, Substantially increase the reliability of sealing.Traditional water-stopping method only has one concrete sealing, the thickness of sealing concrete, Material is desirable that higher, sealing failure easily occurs.
The foregoing is only the present invention preferably implements use-case, is not intended to limit the protection of the present invention Scope.All within the spirit and principles in the present invention, any amendment, equivalent and the improvement made Deng, should be included within the scope of the present invention.

Claims (3)

1. a hanging caisson device, is arranged at around pier stud to be repaired, it is characterised in that: include envelope End tapered steel case, circular steel moulding box, described back cover tapered steel case and described circular steel moulding box are by bolt phase Connect;Described circular steel moulding box is connected on described pier stud by a hanger, described hanger and described circle Being connected by a trip gear between steel mould box, described hanger is fixed on described by threaded reinforcing bar On pier stud;It is provided with watertight rubber band between described back cover tapered steel bottom portion and described pier stud;Described back cover Back cover concrete it is additionally provided with between tapered steel bottom portion and described pier stud.
A kind of hanging caisson device the most as claimed in claim 1, it is characterised in that: described back cover taper A baffle plate it is additionally provided with between steel bottom portion and described pier stud.
A kind of hanging caisson device the most as claimed in claim 1, it is characterised in that: described back cover taper A valve it is additionally provided with, for pressure regulation, water transfer on steel case.
CN201510120804.XA 2015-03-19 2015-03-19 A kind of hanging caisson device CN104775445B (en)

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Application Number Priority Date Filing Date Title
CN201510120804.XA CN104775445B (en) 2015-03-19 2015-03-19 A kind of hanging caisson device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510120804.XA CN104775445B (en) 2015-03-19 2015-03-19 A kind of hanging caisson device

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CN104775445A CN104775445A (en) 2015-07-15
CN104775445B true CN104775445B (en) 2016-10-05

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2474571Y (en) * 2001-04-24 2002-01-30 路桥集团第一公路工程局 Suspending steel jacket box used for tie beam construction of two column bridge pier under water
CN101158161A (en) * 2007-10-19 2008-04-09 山东高速集团青岛高速公路有限公司 Underwater no-bottom closing concrete boxed cofferdam and method of use thereof
CN203066095U (en) * 2013-01-24 2013-07-17 中交第三航务工程局有限公司南京分公司 Assembled single-wall steel hanging box
KR101307396B1 (en) * 2011-12-15 2013-09-12 전호건 Partial Caisson Device for Repairing Cylindrical Structure in Water and Repairing Method of Cylindrical Structure using thereof
CN203222733U (en) * 2013-03-22 2013-10-02 中铁大桥局集团第五工程有限公司 Pier column type pile foundation collar beam steel hanging box cofferdam
CN203238646U (en) * 2013-04-17 2013-10-16 中交路桥华南工程有限公司 Casing box with built-in bottom board
CN204491647U (en) * 2015-03-19 2015-07-22 福建省建研勘察设计院 A kind of hanging caisson device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101083577B1 (en) * 2011-03-10 2011-11-14 태경개발(주) A cylindrical black box with at least 2 open faces against the underwater structures

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2474571Y (en) * 2001-04-24 2002-01-30 路桥集团第一公路工程局 Suspending steel jacket box used for tie beam construction of two column bridge pier under water
CN101158161A (en) * 2007-10-19 2008-04-09 山东高速集团青岛高速公路有限公司 Underwater no-bottom closing concrete boxed cofferdam and method of use thereof
KR101307396B1 (en) * 2011-12-15 2013-09-12 전호건 Partial Caisson Device for Repairing Cylindrical Structure in Water and Repairing Method of Cylindrical Structure using thereof
CN203066095U (en) * 2013-01-24 2013-07-17 中交第三航务工程局有限公司南京分公司 Assembled single-wall steel hanging box
CN203222733U (en) * 2013-03-22 2013-10-02 中铁大桥局集团第五工程有限公司 Pier column type pile foundation collar beam steel hanging box cofferdam
CN203238646U (en) * 2013-04-17 2013-10-16 中交路桥华南工程有限公司 Casing box with built-in bottom board
CN204491647U (en) * 2015-03-19 2015-07-22 福建省建研勘察设计院 A kind of hanging caisson device

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