CN201343735Y - Large-scale shallow water floating cofferdam - Google Patents
Large-scale shallow water floating cofferdam Download PDFInfo
- Publication number
- CN201343735Y CN201343735Y CNU200820230517XU CN200820230517U CN201343735Y CN 201343735 Y CN201343735 Y CN 201343735Y CN U200820230517X U CNU200820230517X U CN U200820230517XU CN 200820230517 U CN200820230517 U CN 200820230517U CN 201343735 Y CN201343735 Y CN 201343735Y
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- Prior art keywords
- cofferdam
- shallow water
- water floating
- side plates
- parallel
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- Expired - Lifetime
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Abstract
The utility model provides a large-scale shallow water floating cofferdam, which relates to a large-scale cofferdam in the bridge engineering, and comprises a ring structure formed by two cofferdam side plates arranged in parallel. The large-scale shallow water floating cofferdam is characterized in that the bottom between the two cofferdam side plates arranged in parallel and the cofferdam side plates form a closed area; a plurality of closed compartments which are used for reducing the underwater penetration of the cofferdam and a plurality of drilled piles which are adapted with pier piles are arranged in the ring structure; the closed bottom compartments are mutually connected into a plurality of rows and columns; two ends of the closed compartments are connected with the cofferdam side plates to divide the cofferdam into a plurality of symmetrical working areas and keep away from the positions of the drilled piles; and the height of the closed bottom compartment is lower than that of the cofferdam side plates. For the large-scale shallow water floating cofferdam, the underwater penetration is shallow when the cofferdam floats, thereby reducing the requirements on ship tonnage and mechanical equipment; the floating navigation routes are hardly influenced by the water level, and the cost is reduced; and in addition, in the pouring process of underground backing concrete, the pouring area is small and the pouring quality is ensured.
Description
Technical field
The utility model relates to the large-scale cofferdam in the bridge engineering, a kind of specifically large-scale shallow water floating cofferdam.
Background technology
At home, traditional cofferdam transportation by driving is that cofferdam side plate bottom is totally-enclosed, with the influence of opposing cofferdam deadweight to the cofferdam underwater penetration.Behind the water, consign to bridge location under the cofferdam by tugboat.Underwater penetration was dark when this kind cofferdam transportation by driving technology caused the cofferdam transportation by driving, and boats and ships configuration tonnage is big, and the plant equipment configuration is complicated, and the transportation by driving navigation route is influenced greatly by water level.And in the bottom concrete filling process, area perfusion is big under water, can not guarantee concrete pouring quality.
The utility model content
At the defective that exists in the prior art, the purpose of this utility model is to provide a kind of large-scale shallow water floating cofferdam, underwater penetration is shallow during the cofferdam transportation by driving, reduced requirement to the tonnage of ship and plant equipment, it is little that the transportation by driving navigation route is influenced by water level, reduced cost, and under water in the bottom concrete filling process, area perfusion is little, can guarantee concrete pouring quality.
For reaching above purpose, the technical scheme that the utility model is taked is:
A kind of large-scale shallow water floating cofferdam, comprise the loop configuration that constitutes by two blocks of cofferdam side plates 1 that be arranged in parallel, it is characterized in that: bottom between two blocks of cofferdam side plates 1 that be arranged in parallel and cofferdam side plate 1 constitute fluid-tight closed area, in loop configuration, be provided with separation 2 and drilled pile 3 some and that bridge pier stake position is adaptive at the bottom of the sealing of some underwater penetrations that are used to reduce the cofferdam, sealing end separation 2 is interconnected to some horizontal strokes, file, its two ends are connected the position that the cofferdam is divided into some symmetrical working regions and avoids drilled pile 3 with cofferdam side plate 1, the height of sealing end separation 2 is lower than the height of cofferdam side plate 1.
On the basis of technique scheme, separation 2 comprises two panels 4 that vertically be arranged in parallel at the bottom of the said sealing, the opposite side of two panels 4 is equipped with some panel stiffener angles 5, two 4 of panels are provided with some tilting horizontal support angle steel 7, the incline direction of two blocks of adjacent horizontal support angle steel 7 is opposite, and the horizontal loops 6 that works the effect of putting more energy into is vertically welded on the opposite flank of panel 4.
On the basis of technique scheme, two 4 of panels also are provided with the stiffener 9 of vertical stiffener angle 8 or perforate.
On the basis of technique scheme, vertical stiffener angle 8 in twos one group be stacked between two panels 4 that vertically be arranged in parallel, two blocks of vertical stiffener angles 8 are the X shape and link to each other.
On the basis of technique scheme, the stiffener 9 of perforate is evenly equipped with the identical through hole of some diameters from top to bottom successively.
On the basis of technique scheme, the zone between two blocks of cofferdam side plates 1 that be arranged in parallel has been provided with the angle steel of the effect of putting more energy into.
Large-scale shallow water floating cofferdam described in the utility model, underwater penetration is shallow during the cofferdam transportation by driving, reduced requirement to the tonnage of ship and plant equipment, it is little that the transportation by driving navigation route is influenced by water level, reduced cost, and under water in the bottom concrete filling process, area perfusion is little, can guarantee concrete pouring quality.
Description of drawings
The utility model has following accompanying drawing:
Fig. 1 large-scale shallow water floating cofferdam structural representation
Fig. 2 cofferdam side plate and sealing end separation schematic side view
Fig. 3 seals end compartment structure schematic diagram
The vertical stiffener angle structural representation of Fig. 4
Among the figure: H is an end separation height, and L is an end separation width
The stiffener structural representation of Fig. 5 perforate
Among the figure: H is an end separation height, and L is an end separation width, and H1 is the distance of first center, hole, bottom and end separation bottom, H3 is the distance at first center, hole, top and separation top, the end, H2 is the pitch of holes between adjacent two holes, n=perforate quantity-1, and D is an opening diameter
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
Fig. 1 is a large-scale shallow water floating cofferdam structural representation described in the utility model, Fig. 2 is cofferdam side plate and sealing end separation schematic side view, comprise the loop configuration that constitutes by two blocks of cofferdam side plates 1 that be arranged in parallel, it is characterized in that: bottom between two blocks of cofferdam side plates 1 that be arranged in parallel and cofferdam side plate 1 constitute fluid-tight closed area, in loop configuration, be provided with separation 2 and drilled pile 3 some and that bridge pier stake position is adaptive at the bottom of the sealing of some underwater penetrations that are used to reduce the cofferdam, sealing end separation 2 is interconnected to some horizontal strokes, file, its two ends are connected the position that the cofferdam is divided into some symmetrical working regions and avoids drilled pile 3 with cofferdam side plate 1, the height of sealing end separation 2 is lower than the height (referring to Fig. 2) of cofferdam side plate 1.The utility model is compared with common cofferdam, the closed area draining that common cofferdam is only surrounded by two blocks of cofferdam side plates 1 that be arranged in parallel, drainage area is less, so the degree of depth of drinking water is big, the utility model is by setting up sealing end separation 2, increased drainage area greatly, the degree of depth of its drinking water diminishes with regard to corresponding.
On the basis of technique scheme, as shown in Figure 3, separation 2 comprises two panels 4 that vertically be arranged in parallel at the bottom of the said sealing, the opposite side of two panels 4 is equipped with some panel stiffener angles 5, two 4 of panels are provided with some tilting horizontal support angle steel 7, the incline direction of two blocks of adjacent horizontal support angle steel 7 is opposite, and the horizontal loops 6 that works the effect of putting more energy into is vertically welded on the opposite flank of panel 4.
On the basis of technique scheme, shown in Fig. 3,4,5, two 4 of panels also are provided with the stiffener 9 of vertical stiffener angle 8 or perforate.On the basis of technique scheme, vertical stiffener angle 8 in twos one group be stacked between two panels 4 that vertically be arranged in parallel, two blocks of vertical stiffener angles 8 are the X shape and link to each other.On the basis of technique scheme, the stiffener 9 of perforate is evenly equipped with the identical through hole of some diameters from top to bottom successively.
On the basis of technique scheme, the zone between two blocks of cofferdam side plates 1 that be arranged in parallel has been provided with the angle steel of the effect of putting more energy into.The said angle steel that works the effect of putting more energy into can be with reference to the angle steel setting that plays same purpose in the technique scheme.
Large-scale shallow water floating cofferdam described in the utility model, sealing end separation 2 is set after, sealing end separation 2 Region Segmentation of bottom concrete under water becomes several grid, back cover is to be that unit builds underwater concrete with each grid, and symmetry is carried out.Therefore not only reduce area perfusion, and can better guarantee concrete pouring quality.
Claims (6)
1. large-scale shallow water floating cofferdam, comprise the loop configuration that constitutes by two blocks of cofferdam side plates (1) that be arranged in parallel, it is characterized in that: bottom and cofferdam side plate (1) between two blocks of cofferdam side plates (1) that be arranged in parallel constitute fluid-tight closed area, in loop configuration, be provided with separation (2) and drilled pile (3) some and that bridge pier stake position is adaptive at the bottom of the sealing of some underwater penetrations that are used to reduce the cofferdam, sealing end separation (2) is interconnected to some horizontal strokes, file, its two ends are connected the position that the cofferdam is divided into some symmetrical working regions and avoids drilled pile (3) with cofferdam side plate (1), the height of sealing end separation (2) is lower than the height of cofferdam side plate (1).
2. large-scale shallow water floating cofferdam as claimed in claim 1, it is characterized in that: separation at the bottom of the said sealing (2) comprises two panels (4) that vertically be arranged in parallel, the opposite side of two panels (4) is equipped with some panel stiffener angles (5), be provided with some tilting horizontal support angle steel (7) between two panels (4), the incline direction of adjacent two blocks of horizontal support angle steel (7) is opposite, and the horizontal loops (6) that works the effect of putting more energy into is vertically welded on the opposite flank of panel (4).
3. large-scale shallow water floating cofferdam as claimed in claim 2 is characterized in that: the stiffener (9) that also is provided with vertical stiffener angle (8) or perforate between two panels (4).
4. large-scale shallow water floating cofferdam as claimed in claim 3 is characterized in that: vertical stiffener angle (8) in twos one group be stacked between two panels (4) that vertically be arranged in parallel, two blocks of vertical stiffener angles (8) are the X shape and link to each other.
5. large-scale shallow water floating cofferdam as claimed in claim 3 is characterized in that: the stiffener of perforate (9) is evenly equipped with the identical through hole of some diameters from top to bottom successively.
6. as claim 1 or 2 or 3 or 4 or 5 described large-scale shallow water floating cofferdams, it is characterized in that: the zone between two blocks of cofferdam side plates (1) that be arranged in parallel has been provided with the angle steel of the effect of putting more energy into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820230517XU CN201343735Y (en) | 2008-12-23 | 2008-12-23 | Large-scale shallow water floating cofferdam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820230517XU CN201343735Y (en) | 2008-12-23 | 2008-12-23 | Large-scale shallow water floating cofferdam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201343735Y true CN201343735Y (en) | 2009-11-11 |
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ID=41275316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820230517XU Expired - Lifetime CN201343735Y (en) | 2008-12-23 | 2008-12-23 | Large-scale shallow water floating cofferdam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201343735Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182149A (en) * | 2011-04-06 | 2011-09-14 | 中铁大桥局集团有限公司 | Method for entering river of parallel edges-free cofferdam with air bags |
| CN103243727A (en) * | 2013-05-28 | 2013-08-14 | 中交路桥华南工程有限公司 | Vertical rotation method for cofferdam |
| CN103255775A (en) * | 2013-05-28 | 2013-08-21 | 中交路桥华南工程有限公司 | Method for installing cofferdam |
| CN103266619A (en) * | 2013-05-28 | 2013-08-28 | 中交路桥华南工程有限公司 | Cofferdam structure |
| CN104863170A (en) * | 2015-05-13 | 2015-08-26 | 中铁大桥局集团有限公司 | Floating transportation method for large open caisson or cofferdam |
| CN108824461A (en) * | 2018-06-02 | 2018-11-16 | 北京泽通水务建设有限公司 | A kind of Larsen steel sheet-pile cofferdam and its construction method |
-
2008
- 2008-12-23 CN CNU200820230517XU patent/CN201343735Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182149A (en) * | 2011-04-06 | 2011-09-14 | 中铁大桥局集团有限公司 | Method for entering river of parallel edges-free cofferdam with air bags |
| CN103243727A (en) * | 2013-05-28 | 2013-08-14 | 中交路桥华南工程有限公司 | Vertical rotation method for cofferdam |
| CN103255775A (en) * | 2013-05-28 | 2013-08-21 | 中交路桥华南工程有限公司 | Method for installing cofferdam |
| CN103266619A (en) * | 2013-05-28 | 2013-08-28 | 中交路桥华南工程有限公司 | Cofferdam structure |
| CN103266619B (en) * | 2013-05-28 | 2015-10-07 | 中交路桥华南工程有限公司 | A kind of cofferdam structure |
| CN104863170A (en) * | 2015-05-13 | 2015-08-26 | 中铁大桥局集团有限公司 | Floating transportation method for large open caisson or cofferdam |
| CN108824461A (en) * | 2018-06-02 | 2018-11-16 | 北京泽通水务建设有限公司 | A kind of Larsen steel sheet-pile cofferdam and its construction method |
| CN108824461B (en) * | 2018-06-02 | 2020-12-01 | 北京泽通水务建设有限公司 | Larsen steel sheet pile cofferdam and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: No. 5 Enginering Co., Ltd. Of China Zhongtie Major Bridge Engineering Assignor: China Zhongtie Major Bridge Engineering Co., Ltd. Contract record no.: 2010420000043 Denomination of utility model: Large-scale shallow water floating cofferdam Granted publication date: 20091111 License type: Exclusive License Record date: 20100505 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20091111 Effective date of abandoning: 20081223 |