CN207919573U - A kind of sheet-pile cofferdam structure suitable for soft soil foundation - Google Patents
A kind of sheet-pile cofferdam structure suitable for soft soil foundation Download PDFInfo
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- CN207919573U CN207919573U CN201721712938.1U CN201721712938U CN207919573U CN 207919573 U CN207919573 U CN 207919573U CN 201721712938 U CN201721712938 U CN 201721712938U CN 207919573 U CN207919573 U CN 207919573U
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- sand
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- steel sheet
- pile
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Abstract
The utility model discloses a kind of sheet-pile cofferdam structures suitable for soft soil foundation, including packeted soil, steel sheet pile, reinforcing pull rod, Cast-in-situ Piles in Sand-filling, sand quilt, plastic draining board and original mud upper thread；If being provided with dried layer sand quilt on the original mud upper thread, several plastic draining boards are provided with below original mud upper thread；It is provided with two rows of steel sheet piles in the middle part of the sand quilt, reinforcing pull rod is provided between two rows of steel sheet piles, and Cast-in-situ Piles in Sand-filling is filled between two rows of steel sheet piles, packeted soil is provided at the top of Cast-in-situ Piles in Sand-filling；The sheet-pile cofferdam structure that the utility model is suitable for soft soil foundation is combined by basis with double sheet pile using sand, ground is reinforced by underthrust plastic draining board using sand quilt and sand, again double sheet pile construction is carried out on the basis of sand quilt, to form general safety stabilization, reliable structure, achieve the purpose that small structure section, low cost, convenient for remove, speed of application it is fast, suitable for the cofferdam in the place such as soft soil foundation, have a extensive future.
Description
Technical field
The utility model is related to cofferdam structure technical field, especially a kind of sheet-pile cofferdam knots suitable for soft soil foundation
Structure.
Background technology
Cofferdam refers in hydraulic engineering construction, to build permanent water conservancy projects, the provisional building enclosure built；Closely
Nian Lai, the continuous growth with country to demand of land resources, project of reclaiming fields from the sea is more and more, along with being that sluice is built
Project is more and more, but it is weak soil that the project due to enclosing and cultivating is in seashore and the ground of majority mostly, this brings to sluice is built
Many technological challenges, wherein sluice cofferdam design are one of difficult points.The common cofferdam structure master in Soft Soil Engineering region at present
Have earth rock cofferdam, the cofferdam have many advantages, such as it is simple in structure, easy for construction, convenient for removing, low cost, but there are sections
Greatly, the shortcomings of native stone materials are big, dismounting amount is big, long in time limit, is often difficult to meet the needs of engineering construction, but at present not yet
Have a kind of structure section is small, quantities is small, convenient for removing, speed of application is fast and suitable for the cofferdam structure scheme of weak soil.
Utility model content
That the purpose of this utility model is to provide a kind of structure sections is small, quantities is small, convenient for removing, speed of application is fast
Sheet-pile cofferdam structure suitable for soft soil foundation.
Realize that the technical solution of the utility model aim is：
A kind of sheet-pile cofferdam structure suitable for soft soil foundation, which is characterized in that including packeted soil, steel sheet pile, reinforcing pull rod,
Cast-in-situ Piles in Sand-filling, sand quilt, plastic draining board and original mud upper thread；If being provided with dried layer sand quilt, original mud face on the original mud upper thread
Several plastic draining boards are provided with below line；Two rows of steel sheet piles are provided in the middle part of the sand quilt, between two rows of steel sheet piles
It is provided with reinforcing pull rod, and Cast-in-situ Piles in Sand-filling is filled between two rows of steel sheet piles, packeted soil is provided at the top of Cast-in-situ Piles in Sand-filling.
Preferably, several described plastic draining boards are mutually parallel, and plastic draining board and original mud upper thread are perpendicular.
Preferably, the top of the plastic draining board is in contact with sand.
Preferably, throwing reason block stone layer is provided at the top of the sand quilt.
Preferably, packeted soil is located at the top of reinforcing pull rod.
Preferably, the steel sheet pile uses the steel sheet pile of belt lock catch.
The utility model compared with prior art, remarkable advantage：
The sheet-pile cofferdam structure that the utility model is suitable for soft soil foundation is combined by basis with double sheet pile using sand,
Ground is reinforced by underthrust plastic draining board using sand quilt and sand, then double sheet pile construction is carried out on the basis of sand quilt, from
And general safety stabilization, reliable structure are formed, reach small structure section, low cost, the mesh convenient for removing, speed of application is fast
, it is suitable for the cofferdam in the place such as soft soil foundation, has a extensive future.
The utility model is described in further detail below in conjunction with the accompanying drawings.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or required attached drawing is briefly described in description of the prior art, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of utility model, for those of ordinary skill in the art, without creative efforts, also
It can be obtain other attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram for the sheet-pile cofferdam structure that the utility model is suitable for soft soil foundation.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Embodiment 1：
As shown in Figure 1, a kind of sheet-pile cofferdam structure suitable for soft soil foundation, including packeted soil 1, steel sheet pile 2, reinforcing pull rod
3, Cast-in-situ Piles in Sand-filling 4, sand are by 5, plastic draining board 6 and original mud upper thread 7；If being provided with dried layer sand on the original mud upper thread 7 by 5,
The lower section of original mud upper thread 7 is provided with several plastic draining boards 6；Several described plastic draining boards 6 are mutually parallel, and plastics
Drain bar 6 and original mud upper thread 7 are perpendicular, and the top of plastic draining board 6 is in contact with sand by 5；The sand is set by 5 top
It is equipped with throwing reason block stone layer 8, the sand is provided with two rows of steel sheet piles 2 by 5 middle part, reinforcing pull rod is provided between two rows of steel sheet piles 2
3, and Cast-in-situ Piles in Sand-filling 4 is filled between two rows of steel sheet piles 2, the top of Cast-in-situ Piles in Sand-filling 4 is provided with packeted soil 1, and packeted soil 1 is located at steel drawing
The top of bar 3；Wherein, the steel sheet pile 2 uses the steel sheet pile of belt lock catch.
A kind of construction method of sheet-pile cofferdam structure suitable for soft soil foundation, includes the following steps：
Step 1：Cofferdam structure monolithic stability calculating is carried out according to the current specifications in cofferdam, primarily determines that double sheet pile is wide
Degree, stake are long；
Step 2：According to the current specifications in cofferdam for different sand by width and thickness accordingly adjust double sheet pile width,
After stake is long, then carry out cofferdam structure monolithic stability calculating, so as to find and determine more economical, rational double sheet pile width and
Stake is long；
Step 3：Plastic drain board flashboard range, settlement of foundation and reinforcing are further checked according to the current specifications of sea wall
Soil body mechanical index afterwards；
Step 4：According to newest soil body mechanical index check cofferdam it is anti-incline, antiskid, monolithic stability, finally determine fender post
Specifications and models, stake be long, reinforcing pull rod specifications and models；
Step 5：2 layers of sand are laid on original mud upper thread 7 by 5；
Step 6：It constructs to plastic draining board 6 in the lower section of original mud upper thread 7, makes plastic draining board 6 and 2 layers of sand
It is in contact by 5.
Step 7：Remaining sand is constructed by 5 on 2 layers of sand are by 5；
Step 8：Two rows of steel sheet piles 2 are set by 5 middle part construction in sand, and reinforcing pull rod is installed between two rows of steel sheet piles 2
3；
Step 9：Between two rows of steel sheet piles 2 and 3 or less reinforcing pull rod is partially filled with Cast-in-situ Piles in Sand-filling 4；
Step 10：Reason block stone layer 8 is thrown by 5 top in sand.
Step 11：Between two rows of steel sheet piles 2 and 3 above section of reinforcing pull rod fills Cast-in-situ Piles in Sand-filling 4；
Step 12：It is equipped with packeted soil 1 at the top of Cast-in-situ Piles in Sand-filling 4.
In conclusion the sheet-pile cofferdam structure that the utility model is suitable for soft soil foundation uses sand by basis and double sheet pile
It is combined, ground is reinforced by underthrust plastic draining board using sand quilt and sand, then double plate is carried out on the basis of sand quilt
Stake is built, and to form general safety stabilization, reliable structure, reaches small structure section, low cost, convenient for dismounting, construction speed
Fast purpose is spent, is suitable for the cofferdam in the place such as soft soil foundation, has a extensive future.
Claims (6)
1. a kind of sheet-pile cofferdam structure suitable for soft soil foundation, which is characterized in that including packeted soil (1), steel sheet pile (2), steel
Pull rod (3), Cast-in-situ Piles in Sand-filling (4), sand are by (5), plastic draining board (6) and original mud upper thread (7)；It is set on the original mud upper thread (7)
If being equipped with dried layer sand quilt (5), several plastic draining boards (6) are provided with below original mud upper thread (7)；The sand is by (5)
Middle part is provided with two rows of steel sheet piles (2), reinforcing pull rod (3) is provided between two rows of steel sheet piles (2), and between two rows of steel sheet piles (2)
Filled with Cast-in-situ Piles in Sand-filling (4), packeted soil (1) is provided at the top of Cast-in-situ Piles in Sand-filling (4).
2. the sheet-pile cofferdam structure according to claim 1 suitable for soft soil foundation, which is characterized in that several described modelings
Material drain bar (6) is mutually parallel, and plastic draining board (6) and original mud upper thread (7) are perpendicular.
3. the sheet-pile cofferdam structure according to claim 1 suitable for soft soil foundation, which is characterized in that the plastic draining
The top of plate (6) is in contact with sand by (5).
4. the sheet-pile cofferdam structure according to claim 1 suitable for soft soil foundation, which is characterized in that the sand is by (5)
Top be provided with throwing reason block stone layer (8).
5. the sheet-pile cofferdam structure according to claim 1 suitable for soft soil foundation, which is characterized in that packeted soil (1) position
Top in reinforcing pull rod (3).
6. the sheet-pile cofferdam structure according to claim 1 suitable for soft soil foundation, which is characterized in that the steel sheet pile
(2) steel sheet pile of belt lock catch is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721712938.1U CN207919573U (en) | 2017-12-11 | 2017-12-11 | A kind of sheet-pile cofferdam structure suitable for soft soil foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721712938.1U CN207919573U (en) | 2017-12-11 | 2017-12-11 | A kind of sheet-pile cofferdam structure suitable for soft soil foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207919573U true CN207919573U (en) | 2018-09-28 |
Family
ID=63606234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721712938.1U Expired - Fee Related CN207919573U (en) | 2017-12-11 | 2017-12-11 | A kind of sheet-pile cofferdam structure suitable for soft soil foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207919573U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905243A (en) * | 2017-12-11 | 2018-04-13 | 中交第三航务工程勘察设计院有限公司 | A kind of sheet-pile cofferdam structure and its construction method suitable for soft soil foundation |
| CN109235421A (en) * | 2018-10-16 | 2019-01-18 | 中铁第四勘察设计院集团有限公司 | A kind of double steel sheet pile fabricated structure of steel purlin also serving as interim sidewalk |
-
2017
- 2017-12-11 CN CN201721712938.1U patent/CN207919573U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905243A (en) * | 2017-12-11 | 2018-04-13 | 中交第三航务工程勘察设计院有限公司 | A kind of sheet-pile cofferdam structure and its construction method suitable for soft soil foundation |
| CN109235421A (en) * | 2018-10-16 | 2019-01-18 | 中铁第四勘察设计院集团有限公司 | A kind of double steel sheet pile fabricated structure of steel purlin also serving as interim sidewalk |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180928 Termination date: 20211211 |