CN208763033U - Fill sand geotextile tube sack cofferdam - Google Patents
Fill sand geotextile tube sack cofferdam Download PDFInfo
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- CN208763033U CN208763033U CN201821217862.XU CN201821217862U CN208763033U CN 208763033 U CN208763033 U CN 208763033U CN 201821217862 U CN201821217862 U CN 201821217862U CN 208763033 U CN208763033 U CN 208763033U
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- sand
- cofferdam
- geotextile tube
- filling
- geotextile
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Abstract
The utility model relates to one kind to fill sand geotextile tube sack cofferdam.That the purpose of the utility model is to provide a kind of structures is simple, easy for construction, cost is relatively low, safe and reliable fills sand geotextile tube sack cofferdam.The technical solution of the utility model is: one kind filling sand geotextile tube sack cofferdam, it is characterized by: being equipped with one layer of TGXG in river bed, the slope surface for filling sand geotextile tube bag formation cofferdam two sides is stacked in TGXG, the region between sand geotextile tube bag of filling of two sides is filled with and fills out heart sand, the slope surface to be formed setting pneumatically placed concrete mask is stacked filling sand geotextile tube bag, is equipped with weir crest pavement structure at the top of the cofferdam.The utility model is suitable for the construction cofferdam in coastal or sand soil distribution more regions river.
Description
Technical field
The utility model relates to one kind to fill sand geotextile tube sack cofferdam.More regions river is distributed suitable for coastal or sand soil
Construction cofferdam.
Background technique
With the continuous development of China's economic society, large, medium and small type hydraulic engineerings large quantities of in recent years go into operation successively,
In a large amount of Water-related Project need to carry out construction diversion.Currently used diversion cofferdam form have earth rock cofferdam, concrete cofferdam,
Steel sheet-pile cofferdam etc., but that there are project scales is big, the construction time is long for part, without material source the problems such as, cannot fully meet at this stage
The requirement that the engineering construction time is short, construction investment is small.
Summary of the invention
Technical problem to be solved by the utility model is: in view of the above problems, provide that a kind of structure is simple, construction
It is convenient, cost is relatively low, safe and reliable fills sand geotextile tube sack cofferdam.
The technical scheme adopted by the utility model is one kind fills sand geotextile tube sack cofferdam, it is characterised in that: spread in river bed
Equipped with one layer of TGXG, the slope surface for filling sand geotextile tube bag formation cofferdam two sides is stacked in TGXG, sand work is filled in two sides
Region, which is filled with, between pipe bag fills out heart sand, stacks the slope surface to be formed setting pneumatically placed concrete mask, the cofferdam filling sand geotextile tube bag
Top is equipped with weir crest pavement structure.
Impervious body is equipped with along its axis inside the cofferdam.
The impervious body is clay core core-wall or the antiseepage knot made of steel sheet pile, high-pressure rotary jet grouting pile, cement mixing pile
Structure.
The sand geotextile tube bag that fills is that cofferdam is intended to river bed sand outside boundary of works area certain distance to draw after-blow filling braiding
It is formed in the pipe bag that geotextiles are sewn into.
The beneficial effects of the utility model are: cofferdam is mainly by filling sand geotextile tube bag and filling out heart sand group in the utility model
At structure is simple, and speed of application is fast, stable structure, and security reliability is good.The utility model can increase various antiseepages as needed
Body enhances cofferdam entirety impervious body.Geo-tube filling material is gathered materials on the spot in the utility model, and when dismounting can dispel on the spot or resource
Change and utilize, does not generate engineering waste.
Detailed description of the invention
Fig. 1 is the plan view of embodiment.
Fig. 2 is the sectional view in cofferdam in embodiment.
Specific embodiment
As shown in Figure 1, sand geotextile tube sack cofferdam is filled in setting around permanent building 2, the two of sand geotextile tube sack cofferdam are filled
End is connected into bank slope 1, this fills the width of sand geotextile tube sack cofferdam generally between 4.0m~10.0m.
As shown in Fig. 2, filling sand geotextile tube sack cofferdam in the present embodiment mainly by filling sand geotextile tube bag 4, filling out heart sand 5, geotechnique
The composition such as grid 6, weir crest pavement structure 7, pneumatically placed concrete slope protection 8, impervious body 9.It is equipped with one layer of TGXG 6 in river bed, soil
It is stacked on work grid 6 and fills sand geotextile tube bag 4 to form the slope surface of 3 two sides of cofferdam, fill region between sand geotextile tube bag 4 in two sides
Heart sand 5 is filled out, cofferdam main body is formed.Pneumatically placed concrete mask 8, the cofferdam body top is arranged in slope surface in cofferdam main body two sides
Weir crest pavement structure 7 is set.
For the whole barrier performance in enhancing cofferdam 3, clay core core-wall is set in the middle part of cofferdam 3 or squeezes into steel sheet pile, high pressure
The impervious bodies such as rotary churning pile, cement mixing pile.
River bed sand is drawn using cutter suction dredger outside 2 sideline a certain range of permanent building in the present embodiment, is blown
It inserts in pipe bag made of braided geotextile sewing, is made and fills sand geotextile tube bag 4.
The concrete construction method of the present embodiment is as follows:
It before construction, first carries out removing obstacles within the scope of laying, prevents pipe bag from puncturing, be then first laid with one layer of TGXG in river bed
6, play the role of enhancing skid resistance.
When construction, in the both ends GPS positioning of quasi- laying work area, it is fixed that steel-pipe pile is manually then carried out using floating drum or canoe
Position, and four Bian Lahuan, are connected using hawser with steel-pipe pile, artificial dilatory, and pipe bag is dragged in laying work area, then passes through receipts again
Anchor line is put, pipe bag position is adjusted, until meeting design requirement.When 3 section of cofferdam is larger, can after being laid with 1~2 layer of logical bag, two
Side uses river bed sand filled geotube, is made and fills sand geotextile tube bag 4, the intermediate hydraulic reclamation in cofferdam 3 fills out heart sand 5.
After the completion of cofferdam main body is filled, the draining of certain time need to be passed through, secreted naturally due to gravity out to water in pipe bag
Moisture, after cofferdam structure is basicly stable, the weir crest pavement structure 7 that can construct, pneumatically placed concrete slope protection 8, impervious body 9 etc..
Claims (4)
1. one kind fills sand geotextile tube sack cofferdam, it is characterised in that: be equipped with one layer of TGXG (6), TGXG (6) in river bed
Upper stacking fills the slope surface that sand geotextile tube bag (4) forms cofferdam (3) two sides, and the region between sand geotextile tube bag (4) of filling of two sides fills
Heart sand (5) are filled out, slope surface setting pneumatically placed concrete mask (8) formed is stacked filling sand geotextile tube bag (4), is equipped at the top of the cofferdam
Weir crest pavement structure (7).
2. according to claim 1 fill sand geotextile tube sack cofferdam, it is characterised in that: be equipped with and prevent along its axis inside the cofferdam
It seeps body (9).
3. according to claim 2 fill sand geotextile tube sack cofferdam, it is characterised in that: the impervious body (9) is clay core
Core-wall or the leakage preventing structure made of steel sheet pile, high-pressure rotary jet grouting pile, cement mixing pile.
4. according to claim 1 fill sand geotextile tube sack cofferdam, it is characterised in that: described to fill sand geotextile tube bag (4) to incite somebody to action
Intend being formed in the pipe bag that the outer river bed sand absorption after-blow filling braided geotextile of boundary of works area certain distance is sewn into cofferdam (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821217862.XU CN208763033U (en) | 2018-07-30 | 2018-07-30 | Fill sand geotextile tube sack cofferdam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821217862.XU CN208763033U (en) | 2018-07-30 | 2018-07-30 | Fill sand geotextile tube sack cofferdam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208763033U true CN208763033U (en) | 2019-04-19 |
Family
ID=66130073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821217862.XU Active CN208763033U (en) | 2018-07-30 | 2018-07-30 | Fill sand geotextile tube sack cofferdam |
Country Status (1)
| Country | Link |
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| CN (1) | CN208763033U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997075A (en) * | 2020-08-13 | 2020-11-27 | 盐城工学院 | Cofferdam seepage prevention method taking soil with good water permeability as filler |
| CN112211211A (en) * | 2020-10-19 | 2021-01-12 | 湖州三通水利建设有限公司 | Method for bagging sandy soil to build cofferdam and cofferdam built by method |
| CN115354680A (en) * | 2022-09-09 | 2022-11-18 | 中国水利水电第六工程局有限公司 | Large river channel inner framework clay core wall type cofferdam construction method |
-
2018
- 2018-07-30 CN CN201821217862.XU patent/CN208763033U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997075A (en) * | 2020-08-13 | 2020-11-27 | 盐城工学院 | Cofferdam seepage prevention method taking soil with good water permeability as filler |
| CN112211211A (en) * | 2020-10-19 | 2021-01-12 | 湖州三通水利建设有限公司 | Method for bagging sandy soil to build cofferdam and cofferdam built by method |
| CN115354680A (en) * | 2022-09-09 | 2022-11-18 | 中国水利水电第六工程局有限公司 | Large river channel inner framework clay core wall type cofferdam construction method |
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