CN107761749A - Y shape waterproof membrane cloth and its laying method in two-way canal for water conveyance pile film cofferdam - Google Patents
Y shape waterproof membrane cloth and its laying method in two-way canal for water conveyance pile film cofferdam Download PDFInfo
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- CN107761749A CN107761749A CN201610709064.8A CN201610709064A CN107761749A CN 107761749 A CN107761749 A CN 107761749A CN 201610709064 A CN201610709064 A CN 201610709064A CN 107761749 A CN107761749 A CN 107761749A
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- Prior art keywords
- cloth
- waterproof membrane
- film cloth
- film
- shape waterproof
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- 239000004744 fabric Substances 0.000 title claims abstract description 102
- 239000012528 membrane Substances 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000002689 soil Substances 0.000 claims abstract description 11
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 8
- 230000002411 adverse Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/02—Restraining of open water
- E02D19/04—Restraining of open water by coffer-dams, e.g. made of sheet piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2450/00—Gaskets
- E02D2450/10—Membranes
- E02D2450/105—Membranes impermeable
- E02D2450/106—Membranes impermeable for liquids
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Revetment (AREA)
Abstract
A kind of Y shape waterproof membrane cloth of present invention offer and its laying method in two-way canal for water conveyance pile film cofferdam, the Y shape waterproof membrane cloth include main film cloth and cut out film cloth with adding, and add sanction film cloth to be overlapped on main film cloth along its length apart from end predetermined length position.When use, when Parallel to the flow direction is laid, the Y shape waterproof membrane cloth, which has, adds the one end for cutting out film cloth towards updrift side, and sanction film cloth is added to turn down downstream, and upstream film cloth takes stubble on the main film cloth of the Y shape waterproof membrane cloth, then the pressed soil engineering bag in batch position is being taken, is adding and cut out film cloth Parallel to the flow direction arrangement；When current countercurrent direction flows, it will add and cut out that film cloth starts and reversely, to cover the soil engineering bag for taking batch position, completion reversely takes stubble, now, adverse current current are still by flowing along taking batch direction, and the problem of without inverse stubble flowing water, cofferdam can also complete reverse water delivery water conservancy diversion and work.
Description
Technical field
The present invention relates to a kind of canal for water conveyance pile film cofferdam waterproof membrane cloth, the laying method of the waterproof membrane cloth is further related to.
Background technology
Hydraulic engineering at this stage will play water storage, two effects of supplying water, same section of channel is when different according to water requirements
Phase produces the two-way flow of current.Cofferdam is to be related to technology common in water conservancy construction cross-operation in present urban construction to arrange
Apply, common cofferdam mode has mould cofferdam, earth rock cofferdam, turf cofferdam etc., and construction is crossed the river (mainly including municipal administration in general city
Pipeline, various communications optical cables, track traffic etc.) conventional cofferdam form is stake mould cofferdam, its advantage：It is easy to construction, to water quality
Environment influences small, safe.The purpose is to protect water conservancy projects, meet river course normally fetch water demand, ensure construction safety etc..
The membrane structure of existing pile film cofferdam is constructed：Manually start laying high-strength PVC waterproof clothes in upstream face one end, under
Trip is upstream laid, and 5 meters of upstream film cloth overlap joint downstream film cloth, tunneling boring laying, pressed soil engineering bag at stubble is taken in film cloth.
However, within the period of cofferdam, if in channel during current reverse flow, because upstream and downstream position is changed, being taken in film cloth
The place of connecing can produce inverse stubble current, cause film cloth joint part to produce current outflow, it is impossible to meet dry groove execution conditions.
The content of the invention
Therefore, the present invention provides a kind of Y shape waterproof membrane cloth and its laying method in two-way canal for water conveyance pile film cofferdam,
Solve the problems, such as that film cloth takes leak at stubble in two-way canal for water conveyance pile film cofferdam membrane structure construction.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of Y shape waterproof membrane cloth, it is characterised in that：Film cloth is cut out with adding including main film cloth, adds sanction film cloth to be overlapped on main film cloth
Along its length apart from end predetermined length position.
Described Y shape waterproof membrane cloth, wherein：Lap-joint is connected using bonding mode.
Described Y shape waterproof membrane cloth, wherein：Adding the overhanging end for cutting out film cloth, one row drawknot hole is set in the width direction.
Described Y shape waterproof membrane cloth, wherein：Drawknot hole connection drawknot rope
Described Y shape waterproof membrane cloth, wherein：Main film cloth is identical with adding sanction film cloth width.
A kind of Y shape waterproof membrane cloth two-way canal for water conveyance pile film cofferdam laying method, using above-mentioned Y shape waterproof membrane cloth,
It is characterized in that：
During laying, the Y shape waterproof membrane cloth has plus cut out one end of film cloth towards updrift side, and adds and cut out film cloth downstream
Direction is sprawled, and upstream film cloth takes stubble on the main film cloth of the Y shape waterproof membrane cloth, is then taking the pressed soil engineering bag in batch position,
Complete Parallel to the flow direction and take stubble；
When current countercurrent direction flows, sanction film cloth will be added to start and reversely turn down, to cover the soil engineering bag for taking batch position,
Completion reversely takes stubble.
Described Y shape waterproof membrane cloth two-way canal for water conveyance pile film cofferdam laying method, wherein：The soil engineering bag is thick
25-35cm。
The beneficial effect that technical solution of the present invention is brought：
It was verified that Y shape waterproof membrane cloth is applied in the positive and negative twocouese active channel of diversion cofferdam, easy construction, can subtract
The secondary input of a large amount of manpower and materials to be gone, is effectively saved cost, stubble serious seepy question is taken in perfection when solving reverse flowing water,
Film cloth form and construction method are simple and practical, can be played a key effect when two-way flowing water riverway cofferdam is constructed.
Brief description of the drawings
Fig. 1 is the side structure schematic view of Y shape waterproof membrane cloth provided by the invention；
Fig. 2 is that Y shape waterproof membrane cloth provided by the invention takes a batch schematic diagram in channel in the case of current forward flow；
Fig. 3 is to take a batch schematic diagram under flow reversal mobility status in channel.
Description of reference numerals：Main film cloth 1；End 11；Add and cut out film cloth 2；Drawknot hole 21；Soil engineering bag 3.
Embodiment
As shown in figure 1, being the side structure schematic view of Y shape waterproof membrane cloth provided by the invention, it includes main film cloth 1 with adding
Cut out film cloth 2, main film cloth 1 with plus to cut out film 2 width of cloth identical, and in length direction, add sanction film cloth 2 to be overlapped on main film cloth 1 apart from end
11 predetermined length positions are held, lap-joint is preferably connected using bonding mode.
By taking routine as an example, the main size of film cloth 1 is that the long * 20m of 40m are wide, and adds the size of sanction film cloth 2 to be that the long * 20m of 5.5m are wide, main
Film cloth 1 start at the 5m of termination with plus to cut out film cloth 2 be bonded, starts in main film cloth 1 about 5.5m at apart from end 11 with adding sanction film
Cloth 2 separates, to form Y shape waterproof membrane cloth.Moreover, adding the overhanging end for cutting out film cloth 2 that one row drawknot hole 21 is set in the width direction,
Drawknot hole 21 is uniform with spacing 0.4m, for connecting drawknot rope (being unillustrated).
As shown in Fig. 2 when Parallel to the flow direction is laid, the Y shape waterproof membrane cloth has plus cut out one end of film cloth 2 towards upper
Roam all around the would to, and add and cut out film cloth 2 and sprawled along downstream direction, and upstream film cloth take stubble on the main film cloth 1 of the Y shape waterproof membrane cloth away from
At about 5.5 meters from end 11, that is, take stubble and adding the bonding location of sanction film cloth 2 and main film cloth 1, then taking the pressed geotechnique in batch position
Bag 3,3 thick 25-35cm of soil engineering bag is advisable, and now, adds sanction film cloth 2 to sink to river bed with default drawknot rope Parallel to the flow direction.
When current countercurrent direction flows, then using drawknot rope sanction film cloth 2 will be added to start and reversely turned down, stubble is taken to cover
Place, as shown in figure 3, completing reversely to take stubble, now, adverse current current are still flowed by suitable batch direction of taking, without asking for inverse stubble flowing water
Reverse water delivery water conservancy diversion work is completed in topic, cofferdam.
The beneficial effect that technical solution of the present invention is brought：
It was verified that Y shape waterproof membrane cloth is applied in the positive and negative twocouese active channel of diversion cofferdam, easy construction, can subtract
The secondary input of a large amount of manpower and materials to be gone, is effectively saved cost, stubble serious seepy question is taken in perfection when solving reverse flowing water,
Film cloth form and construction method are simple and practical, can be played a key effect when two-way flowing water riverway cofferdam is constructed.
It is described above to be merely exemplary for the purpose of the present invention, and it is nonrestrictive, and those of ordinary skill in the art understand,
In the case where not departing from the spirit and scope that claim is limited, can many modifications may be made, change or equivalent, but will all fall
Enter within protection scope of the present invention.
Claims (7)
- A kind of 1. Y shape waterproof membrane cloth, it is characterised in that：Film cloth is cut out with adding including main film cloth, adds sanction film cloth to be overlapped on main film cloth edge Length direction is apart from end predetermined length position.
- 2. Y shape waterproof membrane cloth according to claim 1, it is characterised in that：Lap-joint is connected using bonding mode.
- 3. Y shape waterproof membrane cloth according to claim 1, it is characterised in that：Adding the overhanging end of sanction film cloth in the width direction One row drawknot hole is set.
- 4. Y shape waterproof membrane cloth according to claim 3, it is characterised in that：Drawknot hole connects drawknot rope.
- 5. Y shape waterproof membrane cloth according to claim 1, it is characterised in that：Main film cloth is identical with adding sanction film cloth width.
- 6. a kind of Y shape waterproof membrane cloth is in the laying method of two-way canal for water conveyance pile film cofferdam, using any in such as claim 1-5 Y shape waterproof membrane cloth described in, it is characterised in that：During laying, the Y shape waterproof membrane cloth has plus cut out one end of film cloth towards updrift side, and adds and cut out film cloth downstream Sprawl, and upstream film cloth takes stubble on the main film cloth of the Y shape waterproof membrane cloth, is then taking the pressed soil engineering bag in batch position, completes Parallel to the flow direction takes stubble；When current countercurrent direction flows, sanction film cloth will be added to start and reversely turn down, to cover the soil engineering bag for taking batch position, completed Reversely take stubble.
- 7. Y shape waterproof membrane cloth according to claim 6 exists in the laying method of two-way canal for water conveyance pile film cofferdam, its feature In：The soil engineering bag thickness 25-35cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610709064.8A CN107761749A (en) | 2016-08-23 | 2016-08-23 | Y shape waterproof membrane cloth and its laying method in two-way canal for water conveyance pile film cofferdam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610709064.8A CN107761749A (en) | 2016-08-23 | 2016-08-23 | Y shape waterproof membrane cloth and its laying method in two-way canal for water conveyance pile film cofferdam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107761749A true CN107761749A (en) | 2018-03-06 |
Family
ID=61263639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610709064.8A Pending CN107761749A (en) | 2016-08-23 | 2016-08-23 | Y shape waterproof membrane cloth and its laying method in two-way canal for water conveyance pile film cofferdam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107761749A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08323318A (en) * | 1995-06-05 | 1996-12-10 | Shuji Nagano | Water-shielding sheet laying structure in waste disposal plant |
| CN203742624U (en) * | 2014-03-26 | 2014-07-30 | 福州市规划设计研究院 | Splicing laying structure of tunnel water proof board |
| CN206467675U (en) * | 2016-08-23 | 2017-09-05 | 北京翔鲲水务建设有限公司 | Y shape waterproof membrane cloth |
-
2016
- 2016-08-23 CN CN201610709064.8A patent/CN107761749A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08323318A (en) * | 1995-06-05 | 1996-12-10 | Shuji Nagano | Water-shielding sheet laying structure in waste disposal plant |
| CN203742624U (en) * | 2014-03-26 | 2014-07-30 | 福州市规划设计研究院 | Splicing laying structure of tunnel water proof board |
| CN206467675U (en) * | 2016-08-23 | 2017-09-05 | 北京翔鲲水务建设有限公司 | Y shape waterproof membrane cloth |
Non-Patent Citations (1)
| Title |
|---|
| 李庆军: "浅谈桩模围堰施工方法", 《水利建设与管理》 * |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 100192 Qinghe Road, Haidian District, Beijing 191 Applicant after: BEIJING XIANG KUN WATERWORKS CONSTRUCTION CO.,LTD. Address before: 100192 Beijing Haidian District Henan town north riverside East Road Applicant before: BEIJING XIANG KUN WATERWORKS CONSTRUCTION CO.,LTD. |
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| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180306 |
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| RJ01 | Rejection of invention patent application after publication |