CN203034468U - Novel cofferdam for deep water foundation construction - Google Patents
Novel cofferdam for deep water foundation construction Download PDFInfo
- Publication number
- CN203034468U CN203034468U CN2012207365031U CN201220736503U CN203034468U CN 203034468 U CN203034468 U CN 203034468U CN 2012207365031 U CN2012207365031 U CN 2012207365031U CN 201220736503 U CN201220736503 U CN 201220736503U CN 203034468 U CN203034468 U CN 203034468U
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- cofferdam
- double
- steel sheet
- pile
- deep water
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Abstract
The utility model discloses a novel cofferdam for deep water foundation construction. The novel cofferdam for the deep water foundation construction comprises a cylinder-shaped first double-wall steel cofferdam and a cylinder-shaped second double-wall steel cofferdam, two steel sheet pile cofferdams are arranged between the first double-wall steel cofferdam and the second double-wall steel cofferdam, a plurality of through holes are reserved on an inner cofferdam sheet wall and an outer cofferdam sheet wall of a double-wall steel cofferdam arranged between the two steel sheet pile cofferdams, and the steel sheet pipe cofferdams, the first double-wall steel cofferdam and the second double-wall steel cofferdam form an internally-communicated dumbbell-shaped space. The first double-wall steel cofferdam and the second double-wall steel cofferdam are connected via the two steel sheet pile cofferdams, and the internally-communicated dumbbell-shaped space is formed inside. The novel cofferdam for the deep water foundation construction has the advantages that construction is simple, structural integrity is good, enough space is provided to integral structure construction, defects for block construction of an integral bridge structure are overcome, construction quality is improved, increasing of construction progress is facilitated, and deep water foundation construction for dumbbell type oversized bridge deep water bearing structures is adapted.
Description
Technical field
The utility model relates to a kind of novel cofferdam for the deep water foundation construction.
Background technology
Abroad, the dealer that more and more constructs adopts the double-walled steel cofferdam to build the short harbour of deep water bridge foundation, length and the construction of other aouatic structure things.The height accumulative total of present double-walled steel cofferdam can reach 25m, and width can reach 30m, even more.The type of using has two kinds, and the one, the double-walled steel cofferdam with the steel plate weld all around of our domestic generally employing only is to use fewer; Another kind is steel sheet pile double-walled steel cofferdam, be about to squeeze into that two parallel in water row steel sheet piles carry out laterally and vertically connecting and the horizontal H shaped steel of locking and installation supports and longeron, and people's sandstone is filled out in the gap between two-layer horizontal H shaped steel supports or other suitable materials have just become the double-walled steel cofferdam.In Europe and America, and the Taiwan of the Japan in Asia and China is most widely used steel sheet pile double-walled steel cofferdam as a type of double-walled steel cofferdam.
But for having certain limitation as the construction of dumbbell shape super large bridge deep water suspended deck structure.Generally on construction technology, the ultra-large type concrete structure can adopt the method for piecemeal construction in layer with the form of constuction joint.But for anticorrosive demanding bridge foundations such as oceans of living in, just do not utilize this structure forever anticorrosion.
So need a kind of novel cofferdam that is used for the deep water foundation construction that is applicable to dumbbell shape super large bridge deep water suspended deck structure.
The utility model content
The purpose of this utility model is to provide a kind of novel cofferdam for the deep water foundation construction.
The solution that the utility model solves its technical problem is: a kind of novel cofferdam for the deep water foundation construction, comprise the columned first double-walled steel cofferdam and the columned second double-walled steel cofferdam, also be provided with two stifled steel sheet-pile cofferdams between the described first double-walled steel cofferdam and the second double-walled steel cofferdam, interior weir plate wall and the outer weir plate wall of the double-walled steel cofferdam between described two stifled steel sheet-pile cofferdams are provided with a plurality of through holes, and steel sheet-pile cofferdam, the first double-walled steel cofferdam and the second double-walled steel cofferdam form the space of the dumbbell shaped of an internal communication.
As further improvement in the technical proposal, described steel sheet-pile cofferdam is connected by welding manner with the outer weir plate wall of double-walled steel cofferdam.
As further improvement in the technical proposal, described welding manner is first stiffener of the steel sheet pile outside welding L type of the steel sheet-pile cofferdam of weir plate wall outside the most close, one end of described first stiffener is welded on the external surface of outer weir plate wall, and the other end is welded on the steel sheet pile of the most close outer weir plate wall.
As further improvement in the technical proposal, also comprise second stiffener, an end of described second stiffener is welded on the outer weir plate wall, and the other end is welded on the interior longeron of steel sheet-pile cofferdam.
As further improvement in the technical proposal, the steel sheet pile of the steel sheet-pile cofferdam of the most close described outer weir plate wall and first stiffener will also be provided with hardwood filling layer.
As further improvement in the technical proposal, form a packing space between the steel sheet pile of the steel sheet-pile cofferdam of described outer weir plate wall, the most close outer weir plate wall, hardwood filling layer and first stiffener, described packing space is filled full fine-stone concrete.
As further improvement in the technical proposal, also be provided with interior support between two stifled steel sheet-pile cofferdams.
The beneficial effects of the utility model are: the utility model is connected the first double-walled steel cofferdam by two stifled steel sheet-pile cofferdams are set with the second double-walled steel cofferdam, and form the construction space of the dumbbell shaped of an internal communication in inside, its construction is simple, structural integrity is good, for the structural entity construction provides enough spaces, overcome the shortcoming of integral bridge structure block construction, improved construction quality, be convenient to improve construction speed, be applicable to the deep water foundation that is used for of dumbbell shape super large bridge deep water suspended deck structure is constructed.
Description of drawings
Below in conjunction with accompanying drawing and example the utility model is further described.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the enlarged drawing of the double dot dash line circle institute frame choosing part among Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing, describe the application of the utility model in the deep water foundation construction in detail.
With reference to Fig. 1～Fig. 2, a kind of novel cofferdam for the deep water foundation construction, comprise the columned first double-walled steel cofferdam 1 and the columned second double-walled steel cofferdam 2, the first double-walled steel cofferdam 1 and 2 of the second double-walled steel cofferdams also are provided with two stifled steel sheet-pile cofferdams 3, steel sheet-pile cofferdam 3 is connected by welding manner with the outer weir plate wall of double-walled steel cofferdam, the interior weir plate wall of the double-walled steel cofferdam that two stifled steel sheet-pile cofferdams are 3 and the plate on the outer weir plate wall are cut off, only stay the skeleton of double-walled steel cofferdam, a plurality of through holes are arranged, steel sheet-pile cofferdam 3 on the cut part of skeleton, the first double-walled steel cofferdam 1 and the second double-walled steel cofferdam 2 form the space of the dumbbell shaped of an internal communication.
By two stifled steel sheet-pile cofferdams 3 are set the first double-walled steel cofferdam 1 is connected with the second double-walled steel cofferdam 2, and form the construction space of the dumbbell shaped of an internal communication in inside, its construction is simple, structural integrity is good, for the structural entity construction provides enough spaces, overcome the shortcoming of integral bridge structure block construction, improved construction quality, be convenient to improve construction speed, be applicable to the deep water foundation that is used for of dumbbell shape super large bridge deep water suspended deck structure is constructed.
Be further used as preferred embodiment, welding manner is first stiffener 4 of steel sheet pile 5 outsides welding L type in the steel sheet-pile cofferdam of weir plate wall outside the most close, one end of first stiffener 4 is welded on the external surface of outer weir plate wall, the other end is welded on the steel sheet pile 5 of the most close outer weir plate wall, improves the connective stability between steel sheet-pile cofferdam and double-walled steel cofferdam.
Be further used as preferred embodiment, comprise that also an end of second stiffener, 6, the second stiffeners 6 is welded on the outer weir plate wall, the other end is welded on the interior longeron 7 of steel sheet-pile cofferdam, improves the connective stability between steel sheet-pile cofferdam and double-walled steel cofferdam.
Be further used as preferred embodiment, the steel sheet pile 5 of the steel sheet-pile cofferdam of the most close outer weir plate wall and first stiffener 4 will also be provided with hardwood filling layer 8, be convenient to adjust the relative position of 4 of steel sheet pile 5 and first stiffeners.
Be further used as preferred embodiment, the steel sheet pile 5 of the steel sheet-pile cofferdam of outer weir plate wall, the most close outer weir plate wall, hardwood filling layer 8 and first stiffener 4 form a packing space, packing space is filled full fine-stone concrete, improves the connective stability between steel sheet-pile cofferdam and double-walled steel cofferdam.
Be further used as preferred embodiment, support 9 in also being provided with between two stifled steel sheet-pile cofferdams, improve the safety between two stifled steel sheet-pile cofferdams, be convenient to the workman in interior construction.
More than be that preferred embodiments of the present utility model is specified, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent modifications or replacement under the prerequisite of the utility model spirit, the modification that these are equal to or replacement all are included in the application's claim institute restricted portion.
Claims (7)
1. one kind is used for the novel cofferdam that deep water foundation is constructed, it is characterized in that: comprise the columned first double-walled steel cofferdam (1) and the columned second double-walled steel cofferdam (2), also be provided with two stifled steel sheet-pile cofferdams (3) between the described first double-walled steel cofferdam (1) and the second double-walled steel cofferdam (2), interior weir plate wall and the outer weir plate wall of the double-walled steel cofferdam between described two stifled steel sheet-pile cofferdams (3) are provided with a plurality of through holes, and steel sheet-pile cofferdam (3), the first double-walled steel cofferdam (1) and the second double-walled steel cofferdam (2) form the space of the dumbbell shaped of an internal communication.
2. the novel cofferdam for deep water foundation construction according to claim 1, it is characterized in that: described steel sheet-pile cofferdam (3) is connected by welding manner with the outer weir plate wall of double-walled steel cofferdam.
3. the novel cofferdam for deep water foundation construction according to claim 2, it is characterized in that: described welding manner is first stiffener (4) of the outside of the steel sheet pile (5) in the steel sheet-pile cofferdam of weir plate wall outside the most close welding L type, one end of described first stiffener (4) is welded on the external surface of outer weir plate wall, and the other end is welded on the steel sheet pile (5) of the most close outer weir plate wall.
4. the novel cofferdam for deep water foundation construction according to claim 3, it is characterized in that: also comprise second stiffener (6), one end of described second stiffener (6) is welded on the outer weir plate wall, and the other end is welded on the interior longeron (7) of steel sheet-pile cofferdam.
5. the novel cofferdam for deep water foundation construction according to claim 3, it is characterized in that: the steel sheet pile of the steel sheet-pile cofferdam of the most close described outer weir plate wall (5) will also be provided with hardwood filling layer (8) with first stiffener (4).
6. the novel cofferdam for deep water foundation construction according to claim 5, it is characterized in that: the steel sheet pile (5) of the steel sheet-pile cofferdam of described outer weir plate wall, the most close outer weir plate wall, hardwood filling layer (8) and first stiffener (4) form a packing space, and described packing space is filled full fine-stone concrete.
7. the novel cofferdam for the deep water foundation construction according to claim 1 is characterized in that: also be provided with interior support (9) between two stifled steel sheet-pile cofferdams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207365031U CN203034468U (en) | 2012-12-27 | 2012-12-27 | Novel cofferdam for deep water foundation construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207365031U CN203034468U (en) | 2012-12-27 | 2012-12-27 | Novel cofferdam for deep water foundation construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203034468U true CN203034468U (en) | 2013-07-03 |
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ID=48686603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012207365031U Expired - Fee Related CN203034468U (en) | 2012-12-27 | 2012-12-27 | Novel cofferdam for deep water foundation construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203034468U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544581A (en) * | 2015-12-10 | 2016-05-04 | 中铁大桥局集团有限公司 | Construction method of dumbbell type bearing platform |
| CN105544382A (en) * | 2015-12-10 | 2016-05-04 | 中铁大桥局集团有限公司 | Construction method of dumbbell-shaped bearing platform |
| CN109137945A (en) * | 2018-10-26 | 2019-01-04 | 四川公路桥梁建设集团有限公司 | Cofferdam suitable for waist-shaped pier bearing platform and construction method thereof |
-
2012
- 2012-12-27 CN CN2012207365031U patent/CN203034468U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544581A (en) * | 2015-12-10 | 2016-05-04 | 中铁大桥局集团有限公司 | Construction method of dumbbell type bearing platform |
| CN105544382A (en) * | 2015-12-10 | 2016-05-04 | 中铁大桥局集团有限公司 | Construction method of dumbbell-shaped bearing platform |
| CN105544382B (en) * | 2015-12-10 | 2017-03-22 | 中铁大桥局集团有限公司 | Construction method of dumbbell-shaped bearing platform |
| CN109137945A (en) * | 2018-10-26 | 2019-01-04 | 四川公路桥梁建设集团有限公司 | Cofferdam suitable for waist-shaped pier bearing platform and construction method thereof |
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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: 20130703 Termination date: 20171227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |