CN105862892A - Double-walled steel cofferdam - Google Patents
Double-walled steel cofferdam Download PDFInfo
- Publication number
- CN105862892A CN105862892A CN201610375079.5A CN201610375079A CN105862892A CN 105862892 A CN105862892 A CN 105862892A CN 201610375079 A CN201610375079 A CN 201610375079A CN 105862892 A CN105862892 A CN 105862892A
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- CN
- China
- Prior art keywords
- double
- cofferdam
- concrete
- walled steel
- steel cofferdam
- 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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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/02—Restraining of open water
- E02D19/04—Restraining of open water by coffer-dams, e.g. made of sheet piles
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention discloses a double-walled steel cofferdam. A concrete reinforcing block (2) is arranged at a crossed region (1) of a transverse cofferdam (5) of the double-walled steel cofferdam and an inner supporting rod (3). The concrete reinforcing block (2) is produced by filling C25 concrete. The concrete reinforcing block is arranged at the crossed position of the double-walled steel cofferdam and the supporting rod and the stress on the region can be reduced, so that the strain of a rod part is reduced, and the phenomenon that regional stress is too great, caused by strain diffusion, is prevented; and section sizes of main stressing rod parts of vertical ribs and flat ribs of other regions of the double-walled steel cofferdam are reduced and the steel use amount of the double-walled steel cofferdam is reduced. The concrete reinforcing block is formed at the crossed region by filling the C25 concrete, so that partial compression strength can be enhanced, the stressing requirements are met and the whole stability is guaranteed.
Description
Technical field
The present invention relates to a kind of mixed structure Double-Wall Steel Boxed Cofferdam.
Background technology
In the past, for ensureing the strength and stability of steel cofferdam support point position internal force large area rod member, use and increase rod member quantity and strengthen the mode of rod member model, reduce and dispersive stress, thus reduce strain dispersion, reduce Deformation Member around, to ensure the stability of steel cofferdam.This mode causes huge rod member to waste, and also increases the work such as welding, increases the risk that the integral rigidity of steel cofferdam is inadequate, so the problem that new stress dispersing mode solves to exist must be designed, to improve Double-Wall Steel Boxed Cofferdam reliability and economy.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of mixed structure Double-Wall Steel Boxed Cofferdam, this reasonable in design, simple and practical and make full use of the existing concrete in building site, can effectively solve the internal force large area existence of support point position, conventional steel cofferdam is affected big problem by welding quality, overcome its work progress complicated, waste the deficiencies such as material.
The technical scheme is that at the transverse cofferdam of Double-Wall Steel Boxed Cofferdam with the intersection region of internal overarm support, concrete boss is set.
Concrete boss uses fills C25 concrete for making.
At Double-Wall Steel Boxed Cofferdam and strut crossover location, concrete boss is set, this regional stress can be reduced, thus reduce rod member strain, stop the regional stress caused because of strain diffusion excessive, reduce other regions of Double-Wall Steel Boxed Cofferdam whereby and erect rib, flat rib main stressed member sectional dimension, reduce Double-Wall Steel Boxed Cofferdam steel using amount.
Form concrete boss by filling C25 concrete at intersection region, by increasing capacitance it is possible to increase local compressed strength, meet stress needs, it is ensured that stability in the large.
Therefore, the present invention successfully solves steel cofferdam support point position internal force large area, and the regional stress caused because of strain diffusion is excessive, reduces perpendicular rib, flat rib main stressed member sectional dimension simultaneously, reduce cofferdam steel using amount and welding job amount, it is ensured that construction quality, safety.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention, top view；
Fig. 2 is the structural representation of the present invention, left view.
Detailed description of the invention
Embodiments of the invention: at the transverse cofferdam 5 of Double-Wall Steel Boxed Cofferdam and the intersection region 1 of internal overarm support 3, concrete boss 2 is set.
When processing Double-Wall Steel Boxed Cofferdam in factory, according to the partition panel 4 of design drawing welded and installed intersection region 1, as the template of concrete boss；After Double-Wall Steel Boxed Cofferdam 5 sinks to putting in place, carry out the concrete boss 2 at bottom concrete 6 and intersection region 1 and construct；Bottom concrete 6 intensity reaches to draw water after design requires；Draw water below Double-Wall Steel Boxed Cofferdam internal overarm support 3 elevation location about 1 meter time, carry out internal overarm support 3 between Double-Wall Steel Boxed Cofferdam and construct, now, the interior outer support system of whole steel cofferdam is fully completed.
Claims (3)
1. a Double-Wall Steel Boxed Cofferdam, it is characterised in that: at transverse cofferdam (5) and intersection region (1) place of internal overarm support (3) of Double-Wall Steel Boxed Cofferdam, concrete boss (2) is set.
Double-Wall Steel Boxed Cofferdam the most according to claim 1, it is characterised in that: internal overarm support (3) uses steel pipe manufacturing.
Double-Wall Steel Boxed Cofferdam the most according to claim 1, it is characterised in that: concrete boss (2) uses fills C25 concrete for making.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610375079.5A CN105862892A (en) | 2016-05-31 | 2016-05-31 | Double-walled steel cofferdam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610375079.5A CN105862892A (en) | 2016-05-31 | 2016-05-31 | Double-walled steel cofferdam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105862892A true CN105862892A (en) | 2016-08-17 |
Family
ID=56641782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610375079.5A Pending CN105862892A (en) | 2016-05-31 | 2016-05-31 | Double-walled steel cofferdam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105862892A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111206606A (en) * | 2020-01-09 | 2020-05-29 | 海达建设集团有限公司 | Construction method of deep water foundation pit cofferdam of large-scale foundation of bridge |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101368389A (en) * | 2008-09-24 | 2009-02-18 | 中铁大桥局集团第五工程有限公司 | Single and double-wall combined steel cofferdam construction method and its single and double-wall combined steel cofferdam |
| CN201713824U (en) * | 2010-06-22 | 2011-01-19 | 中交武汉港湾工程设计研究院有限公司 | Detachable reusable double-wall steel cofferdam |
| CN201883444U (en) * | 2010-11-11 | 2011-06-29 | 中铁十三局集团有限公司 | Double-wall steel cofferdam for underwater low pile cap |
| CN203701117U (en) * | 2014-02-28 | 2014-07-09 | 中铁八局集团第一工程有限公司 | Integrated double-layer thin-wall cofferdam |
| CN204000905U (en) * | 2014-06-16 | 2014-12-10 | 中交武汉港湾工程设计研究院有限公司 | A kind of Double-Wall Steel Boxed Cofferdam with binder deep water bearing platform construction |
| CN205035815U (en) * | 2015-07-16 | 2016-02-17 | 中铁大桥局集团有限公司 | Steel reinforced concrete combination cofferdam |
| CN205134342U (en) * | 2015-09-09 | 2016-04-06 | 上海城建市政工程（集团）有限公司 | Large -tonnage list double -walled combines steel cofferdam |
-
2016
- 2016-05-31 CN CN201610375079.5A patent/CN105862892A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101368389A (en) * | 2008-09-24 | 2009-02-18 | 中铁大桥局集团第五工程有限公司 | Single and double-wall combined steel cofferdam construction method and its single and double-wall combined steel cofferdam |
| CN201713824U (en) * | 2010-06-22 | 2011-01-19 | 中交武汉港湾工程设计研究院有限公司 | Detachable reusable double-wall steel cofferdam |
| CN201883444U (en) * | 2010-11-11 | 2011-06-29 | 中铁十三局集团有限公司 | Double-wall steel cofferdam for underwater low pile cap |
| CN203701117U (en) * | 2014-02-28 | 2014-07-09 | 中铁八局集团第一工程有限公司 | Integrated double-layer thin-wall cofferdam |
| CN204000905U (en) * | 2014-06-16 | 2014-12-10 | 中交武汉港湾工程设计研究院有限公司 | A kind of Double-Wall Steel Boxed Cofferdam with binder deep water bearing platform construction |
| CN205035815U (en) * | 2015-07-16 | 2016-02-17 | 中铁大桥局集团有限公司 | Steel reinforced concrete combination cofferdam |
| CN205134342U (en) * | 2015-09-09 | 2016-04-06 | 上海城建市政工程（集团）有限公司 | Large -tonnage list double -walled combines steel cofferdam |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111206606A (en) * | 2020-01-09 | 2020-05-29 | 海达建设集团有限公司 | Construction method of deep water foundation pit cofferdam of large-scale foundation of bridge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160817 |
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| RJ01 | Rejection of invention patent application after publication |