CN220868266U - Pile foundation cofferdam - Google Patents
Pile foundation cofferdam Download PDFInfo
- Publication number
- CN220868266U CN220868266U CN202322601678.2U CN202322601678U CN220868266U CN 220868266 U CN220868266 U CN 220868266U CN 202322601678 U CN202322601678 U CN 202322601678U CN 220868266 U CN220868266 U CN 220868266U
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- Prior art keywords
- steel sheet
- sheet piles
- inner steel
- pile
- peripheral
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 146
- 239000010959 steel Substances 0.000 claims abstract description 146
- 230000002093 peripheral effect Effects 0.000 claims abstract description 37
- 239000010410 layer Substances 0.000 claims description 29
- 239000004575 stone Substances 0.000 claims description 17
- 239000010802 sludge Substances 0.000 claims description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 9
- 241001330002 Bambuseae Species 0.000 claims description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 9
- 239000011425 bamboo Substances 0.000 claims description 9
- 239000002344 surface layer Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Revetment (AREA)
Abstract
The utility model relates to the technical field of cofferdams, in particular to a pile foundation cofferdam. This pile foundation cofferdam includes: at least two peripheral steel sheet piles which are arranged at intervals; a plurality of inner steel sheet piles disposed between the two outer peripheral steel sheet piles, the inner steel sheet piles including first inner steel sheet piles and second inner steel sheet piles, both ends of the first inner steel sheet piles being respectively connected with the two outer peripheral steel sheet piles, adjacent two first inner steel sheet piles being disposed at intervals, the second inner steel sheet piles being disposed between the two first inner steel sheet piles, both ends of the second inner steel sheet piles being respectively connected with the first inner steel sheet piles on both sides, the plurality of first inner steel sheet piles and the plurality of second inner steel sheet piles being adapted to divide between the two outer peripheral steel sheet piles into a plurality of independent grooves; the filling structure is arranged in the groove. And a filling structure is arranged in the groove, so that a construction platform is formed between the two peripheral steel sheet piles, and the machine can conveniently work on the construction platform.
Description
Technical Field
The utility model relates to the technical field of cofferdams, in particular to a pile foundation cofferdam.
Background
In the prior art, when pile foundation is constructed, a temporary steel platform or a steel trestle on water is usually erected as a mechanical construction platform.
The water steel platform is an engineering structure made of steel, and is generally composed of structural steel, a bailey frame, a steel plate and other components; the parts are connected by welding seams, screws or rivets, and the like, so that the structure is various in form and the functions are also good. The steel structure platform has the greatest characteristics of a fully assembled structure, is flexible in design, and can be designed and manufactured according to different field conditions, meets the field requirements and the use function requirements and meets the logistics requirements.
But the fire resistance and corrosion resistance of the steel platform on water are poor, the quality performance of the steel platform can be influenced when the steel structure is soaked in water for a long time, so that the stability of the steel platform is reduced, great hidden danger is caused for construction quality and safety control, meanwhile, the construction period of the steel platform is long, the requirements on the construction technology are high, and the overall construction cost is high.
Disclosure of utility model
Therefore, the technical problem to be solved by the utility model is that the quality performance of the steel platform is affected when the steel structure is soaked in water for a long time, so that the stability of the steel platform is reduced, and the defect of great hidden danger for construction quality and safety control is caused, thereby providing the pile foundation cofferdam.
In order to solve the above problems, the present utility model provides a pile foundation cofferdam comprising:
At least two peripheral steel sheet piles are inserted into the sludge at the bottom of the river channel, and the two peripheral steel sheet piles are arranged at intervals;
The inner steel sheet piles are inserted into sludge at the bottom of the river channel, the inner steel sheet piles comprise first inner steel sheet piles and second inner steel sheet piles, two ends of each first inner steel sheet pile are respectively connected with two outer steel sheet piles, two adjacent first inner steel sheet piles are arranged at intervals, the second inner steel sheet piles are arranged between the two first inner steel sheet piles, two ends of each second inner steel sheet pile are respectively connected with the first inner steel sheet piles at two sides, and the first inner steel sheet piles and the second inner steel sheet piles are suitable for dividing the two outer steel sheet piles into a plurality of independent grooves;
And the filling structure is arranged in the groove.
Further, the peripheral steel sheet piles are higher than the inner steel sheet piles.
Further, the filling structure is arranged at the upper end of the sludge at the bottom of the river channel.
Further, a double-layer bamboo springboard is arranged between the filling structure and the silt.
Further, the filling structure comprises a thick stone cushion layer and a thick travertine cushion layer, wherein the thick stone cushion layer is arranged at the upper end of the double-layer bamboo springboard, and the thick travertine cushion layer is arranged at the upper end of the thick stone cushion layer.
Further, the thick travertine cushion layer, the first inner steel sheet pile and the second inner steel sheet pile are covered with thick graded broken stone surface layers.
Further, the peripheral steel sheet piles and the inner steel sheet piles are Larson steel sheet piles.
The utility model has the following advantages:
The utility model provides a pile foundation cofferdam, which is characterized in that two peripheral steel plate columns are arranged, a first inner steel plate pile and a second inner steel plate pile are arranged between the two peripheral steel plate columns, the first inner steel plate pile and the second inner steel plate pile can divide the space between the two peripheral steel plate columns into a plurality of grooves, a filling structure is arranged in each groove, so that a construction platform is formed between the two peripheral steel plate columns, a machine can conveniently work on the construction platform, the bearing capacity and the stability of the cofferdam can be improved by the inner steel plate piles, and further, the construction quality is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a top view of a pile foundation cofferdam in an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of a pile foundation cofferdam in an embodiment of the present utility model;
Reference numerals illustrate:
1. Peripheral steel sheet piles; 2. a first inner steel sheet pile; 3. a second inner steel sheet pile; 4. filling the structure; 5. double-layer bamboo springboard; 6. a slab stone cushion; 7. a thick travertine cushion layer; 8. thick graded crushed stone surface layer.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
As shown in fig. 1 and 2, this embodiment discloses a pile foundation cofferdam, which includes: a peripheral steel sheet pile 1, an inner steel sheet pile and a filling structure 4. At least two peripheral steel sheet piles 1 are inserted into the sludge at the bottom of the river channel, and the two peripheral steel sheet piles 1 are arranged at intervals. The inner steel sheet piles are arranged between the two peripheral steel sheet piles 1, the inner steel sheet piles are inserted into sludge at the bottom of a river channel, the inner steel sheet piles comprise first inner steel sheet piles 2 and second inner steel sheet piles 3, two ends of each first inner steel sheet pile 2 are connected with the two peripheral steel sheet piles 1 respectively, two adjacent first inner steel sheet piles 2 are arranged at intervals, each second inner steel sheet pile 3 is arranged between the two first inner steel sheet piles 2, two ends of each second inner steel sheet pile 3 are connected with the first inner steel sheet piles 2 on two sides respectively, and the first inner steel sheet piles 2 and the second inner steel sheet piles 3 are suitable for dividing the two peripheral steel sheet piles 1 into a plurality of independent grooves. The filling structure 4 is arranged in the recess.
Specifically, two peripheral steel sheet piles 1 are arranged in a river course, the bottoms of the peripheral steel sheet piles 1 are inserted into sludge at the bottoms of the river course, the two peripheral steel sheet piles 1 are arranged at intervals, and the two peripheral steel sheet piles 1 are parallel to each other. The first inner steel sheet pile 2 and the second inner steel sheet pile 3 are arranged between the two peripheral steel sheet piles 1, the upper end and the lower end of the first inner steel sheet pile 2 are respectively and fixedly connected with the two peripheral steel sheet piles 1, the first inner steel sheet pile 2 and the two peripheral steel sheet piles 1 are mutually perpendicular, the bottom of the first inner steel sheet pile 2 is inserted into silt at the bottom of a river channel, the second inner steel sheet pile 3 is arranged between the two adjacent first inner steel sheet piles 2, two ends of the second inner steel sheet pile 3 are respectively and fixedly connected with the first inner steel sheet piles 2 at two sides, the second inner steel sheet pile 3 and the first inner steel sheet piles 2 at two sides are mutually perpendicular, as shown in fig. 1, the first inner steel sheet piles 2 and the second inner steel sheet piles 3 form a cross structure or a T-shaped structure, so that the bearing capacity and the stability of a cofferdam can be improved, the first inner steel sheet piles 2 and the second inner steel sheet piles 3 can divide the two peripheral steel sheet piles 1 into a plurality of independent filling grooves, the filling grooves are paved in the grooves, the filling structures 4 are consistent with the inner steel sheet piles 4, and the filling structures 4 are formed on the platform, and the construction platform is suitable for construction.
Further, the outer steel sheet piles 1 are higher than the inner steel sheet piles.
Specifically, as shown in fig. 2, the height of the peripheral steel sheet pile 1 is higher than that of the inner steel sheet pile, so that waste water and waste materials generated in the peripheral steel sheet pile 1 can be blocked, and the waste water and waste materials are prevented from entering a river to pollute the water body.
Further, the filling structure 4 is arranged at the upper end of the sludge at the bottom of the river channel.
Further, a double-layer bamboo springboard 5 is arranged between the filling structure 4 and the silt.
Specifically, as shown in fig. 2, the bottom of the filling structure 4 is provided with the double-layer bamboo springboard 5, so that the filling structure 4 and the silt at the bottom of the river channel can be separated through the double-layer bamboo springboard 5, the material of the filling structure 4 can be prevented from being scattered in the silt, and the whole bearing capacity of the cofferdam can be enhanced while the post-filling structure 4 is conveniently and completely removed.
Further, the filling structure 4 comprises a thick stone cushion layer 6 and a thick travertine cushion layer 7, wherein the thick stone cushion layer 6 is arranged at the upper end of the double-layer bamboo springboard 5, and the thick travertine cushion layer 7 is arranged at the upper end of the thick stone cushion layer 6.
Further, the thick travertine cushion layer 7, the first inner steel sheet pile 2 and the second inner steel sheet pile 3 are covered with a thick graded broken stone surface layer 8.
Specifically, as shown in fig. 2, the thick graded broken stone surface layer 8 is covered on the thick travertine cushion layer 7, the first inner steel sheet pile 2 and the second inner steel sheet pile 3, so that the bearing capacity of the cofferdam can be enhanced.
Further, in the present embodiment, both the outer steel sheet pile 1 and the inner steel sheet pile are lason steel sheet piles.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (7)
1. A pile foundation cofferdam, comprising:
at least two peripheral steel sheet piles (1) are inserted into sludge at the bottom of a river channel, and the two peripheral steel sheet piles (1) are arranged at intervals;
A plurality of inner steel sheet piles which are arranged between two peripheral steel sheet piles (1), wherein the inner steel sheet piles are inserted into sludge at the bottom of a river channel and comprise a first inner steel sheet pile (2) and a second inner steel sheet pile (3), two ends of the first inner steel sheet pile (2) are respectively connected with the two peripheral steel sheet piles (1), two adjacent first inner steel sheet piles (2) are arranged at intervals, the second inner steel sheet pile (3) is arranged between the two first inner steel sheet piles (2), two ends of the second inner steel sheet pile (3) are respectively connected with the first inner steel sheet piles (2) at two sides, and the first inner steel sheet piles (2) and the second inner steel sheet piles (3) are suitable for separating the two peripheral steel sheet piles (1) into a plurality of independent grooves;
and the filling structure (4) is arranged in the groove.
2. The pile foundation cofferdam of claim 1, wherein:
the peripheral steel sheet piles (1) are higher in height than the inner steel sheet piles.
3. Pile foundation cofferdam as in claim 1 or 2, characterized in that:
the filling structure (4) is arranged at the upper end of the sludge at the bottom of the river channel.
4. A pile foundation cofferdam as set forth in claim 3, wherein:
a double-layer bamboo springboard (5) is arranged between the filling structure (4) and the silt.
5. The pile foundation cofferdam of claim 4, wherein:
The filling structure (4) comprises a thick-piece stone cushion layer (6) and a thick-hole stone cushion layer (7), wherein the thick-piece stone cushion layer (6) is arranged at the upper end of the double-layer bamboo springboard (5), and the thick-hole stone cushion layer (7) is arranged at the upper end of the thick-piece stone cushion layer (6).
6. The pile foundation cofferdam of claim 5, wherein:
The thick travertine cushion layer (7), the first inner steel sheet pile (2) and the second inner steel sheet pile (3) are covered with a thick graded broken stone surface layer (8).
7. The pile foundation cofferdam of any one of claims 1, 2, 4, 5 or 6, wherein:
the peripheral steel sheet piles (1) and the inner steel sheet piles are Larson steel sheet piles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322601678.2U CN220868266U (en) | 2023-09-25 | 2023-09-25 | Pile foundation cofferdam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322601678.2U CN220868266U (en) | 2023-09-25 | 2023-09-25 | Pile foundation cofferdam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220868266U true CN220868266U (en) | 2024-04-30 |
Family
ID=90815839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322601678.2U Active CN220868266U (en) | 2023-09-25 | 2023-09-25 | Pile foundation cofferdam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220868266U (en) |
-
2023
- 2023-09-25 CN CN202322601678.2U patent/CN220868266U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |