CN108677980A - A kind of upstream cofferdam that taking into account communication function increases method and structure - Google Patents
A kind of upstream cofferdam that taking into account communication function increases method and structure Download PDFInfo
- Publication number
- CN108677980A CN108677980A CN201810765453.1A CN201810765453A CN108677980A CN 108677980 A CN108677980 A CN 108677980A CN 201810765453 A CN201810765453 A CN 201810765453A CN 108677980 A CN108677980 A CN 108677980A
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- China
- Prior art keywords
- waste
- cofferdam
- upstream
- downstream
- construction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000011144 upstream manufacturing Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000004891 communication Methods 0.000 title claims abstract description 12
- 239000002699 waste material Substances 0.000 claims abstract description 44
- 238000010276 construction Methods 0.000 claims abstract description 25
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 6
- 230000005484 gravity Effects 0.000 claims abstract description 5
- 239000002689 soil Substances 0.000 claims abstract description 5
- 238000004873 anchoring Methods 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000005266 casting Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000004746 geotextile Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 230000009466 transformation 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
Abstract
The invention discloses a kind of upstream cofferdams for taking into account communication function to increase method and structure, is to increase cofferdam height instead of traditional Gravity Retaining Wall or soil engineering bag filled type barricade using thin wall counterfort wall；Waste is carried out in top barricade upstream to fill, to widen weir top width so that more Construction traffics can pass through simultaneously, accelerate major project construction progress；It is filled increasing downstream both ends at the top of cofferdam and also carrying out waste so that Construction traffic can go to downstream agent engineering by increasing cofferdam and construct.Structure is increased in this cofferdam using the present invention, has been saved engineering cost, has been increased to resist and topple over intensity, has accelerated construction progress, pass the flood period for flood control and won the valuable construction time, the safety of major project construction is greatly improved for a certain degree.
Description
Technical field
The present invention relates to hydro-structure field, more particularly, to a kind of upstream cofferdam for taking into account communication function increase method and
The upstream cofferdam for taking into account communication function of this method design increases easy structure.
Technical background
Cofferdam major function be exactly prevent water and soil from entering building build position, in order that in cofferdam internal drainage,
Excavation pit, and the building built, so cofferdam height is higher than the peak level being likely to occur in the construction time.However it is close
Year over due to rainy season concentrate, continue, cause flooding of rivers, the exceeded event of flood repeated, this allow for script design
Increased especially important of just seeming on the basis of good cofferdam.
It is more about the research increased on the basis of cofferdam at present；Increase basic using in cofferdam in traditional cofferdam
Top is poured Gravity Retaining Wall or is increased using the method for geotextile tube bag filling etc., these methods are although feasible, still
Increase that structural style is larger, the concrete material or packing material of waste increase cost of investment, extend the construction period, and
And have a single function, it is only capable of providing a kind of effect for resisting flood, and safety such as anti-overturning, impermeability are frequently not special
Height, for developing, so rapidly water conservancy is only inadequate for this.
Invention content
The technical problem to be solved by the present invention is to：A kind of weir top structure of traffic convenience is provided and increases cofferdam
Method can quickly increase convenient for cofferdam, to overcome existing cofferdam structure that can not resist over-level flood, have a single function, construct
The deficiencies of period is long, uneconomical.
The invention is realized in this way：
A kind of upstream cofferdam structure that taking into account communication function increases method, and this method is replaced using thin wall counterfort wall
Traditional Gravity Retaining Wall or soil engineering bag filled type barricade increases cofferdam height；Waste is carried out in top barricade upstream to fill out
It builds, to widen weir top width so that more Construction traffics can pass through simultaneously, accelerate major project construction progress；It is enclosed increasing
Weir crest subordinate swims both ends and also carries out waste and fill so that Construction traffic can go to downstream agent engineering by increasing cofferdam and be applied
Work.
A kind of upstream cofferdam for taking into account communication function by preceding method design increases easy structure, including increases concrete
Structure and fill waste structure；It is described increase concrete structure use counterfort wall, the counterfort wall by thin shingle nail, help
Wall and anchoring joint bar composition；The thin shingle nail, counterfort are anchored in coffered foundation by the anchoring joint bar.
Wherein, the waste structure of filling includes that upstream side waste fills, waste is filled and abandoned on the right side of downstream on the left of downstream
Slag fills；The upstream side waste fills the upstream for being located at the thin shingle nail and forms barrage structure, on the left of the downstream
Waste, which fills to fill to be respectively provided at left and right sides of the underwater bed of the thin shingle nail with waste on the right side of downstream, forms twice aileron.
Further, described to increase concrete structure and waste to fill structure respectively independent but mutually hold mutually.
Structural approach is increased according to certain engineering actual field needs in the cofferdam of the present invention, increases structure for cofferdam top
The disadvantage that build is larger, cost of investment is larger replaces traditional Gravity Retaining Wall or soil engineering bag using thin wall counterfort wall
Filled type barricade increases cofferdam height；It is single for traditional function, the needs of modern certain casting crafts, on the barricade of top
Trip carry out waste fill, to widen weir top width so that more Construction traffics can pass through simultaneously, accelerate major project construct into
Journey is filled so that Construction traffic can go to downstream master by increasing cofferdam increasing downstream both ends at the top of cofferdam and also carrying out waste
Body engineering is constructed；Structure is increased in such cofferdam, from increasing in structure, considerably reduces the amount of pouring of concrete,
To the construction casting process improved, counterfort also improves the stability for the structure increased, upstream side waste, waste material profit
With also improving the permeability of barricade；From the perspective of construction transportation, due to filling for waste, it is anti-to not only increase cofferdam
Toppling property has also widened weir crest width, has been connected to the route that pours of upstream cofferdam and downstream agent engineering, and increased route pair
The process that many engineerings are to speed up major project construction is vital, these are all traditional to increase cofferdam and cannot compare
's.
The present invention is suitable for keeping out over-level flood, is also applied for providing traffic convenience for downstream agent engineering, be it is a kind of both
Can keep the flood in check, also can based on engineering pour provide traffic convenience and its construction casting technique it is also relatively simple, economical one
Kind increases cofferdam.
Structure is increased in this cofferdam using the present invention, has been saved engineering cost, has been increased to resist and topple over intensity, has accelerated and apply
Work process passes the flood period for flood control and has won the valuable construction time, and major project construction is greatly improved for a certain degree
Safety.
Description of the drawings
Fig. 1 is that structure three-dimensional design sketch is increased in the cofferdam of the present invention；
Fig. 2 is that structure top view is increased in the cofferdam of the present invention；
Fig. 3 is the left view in Fig. 1；
Reference sign：The thin shingle nails of 1-, 2- counterforts, the upstream sides 3- waste fill, and waste fills on the left of the downstreams 4-, 5-
Coffered foundation, 6- anchor joint bar, and waste fills on the right side of the downstreams 7-.
Specific implementation mode
The present invention is described in detail below with reference to drawings and examples.
As shown in Figure 1-Figure 3：The upstream cofferdam for taking into account communication function of the present invention increases easy structure, it is mixed including increasing
Xtah Crude Clay structure is stacked with waste structure, waste structure is filled, is compacted at the upstream side for increasing barricade, while in the case where increasing structure
Also waste is filled in the left and right ends of trip side so that and downstream agent structure carries out path connected.Increase concrete structure and waste
It is respectively independent but mutually hold mutually to fill structure.
Increase concrete structure and use counterfort wall, counterfort wall is a kind of armored concrete thin wall-type earth-retaining
Wall is mainly characterized by simple structure, easy for construction, and wall body section is smaller, and sole mass is light, can preferably play material
Strength character adapts to the lower ground of bearing capacity.Counterfort wall includes thin shingle nail 1, counterfort 2 and anchoring joint bar 6, counterfort
2 stand on and increase cofferdam downstream, and anchoring joint bar 6 is located at heightened foundation face, anchor joint bar 6 and thin shingle nail 1 and counterfort 2 are anchored at and are enclosed
In weir basis 5 so that basic cofferdam forms an entirety with batardeau concrete structure is increased, while being promoted and increasing concrete structure
Anti-overturning.
It includes increasing structure upstream side to fill waste 3 and downstream side left and right ends waste that waste, which fills structure, i.e. downstream is left
Side waste fills waste on the right side of 4 and downstream and fills 7, and both sides waste is close to counterfort wall, is bulldozed after filling, compacting, wherein
It fills waste 3 and widens weir crest width as possible in upstream side so that driving vehicle can pass through simultaneously, widen traffic road in this way
Road also increases anti-seepage effect, and to increase the water-retaining capacity and the traffic capacity in entire cofferdam, Ying Congjia is filled in downstream side or so
Ground is gradually decreased down according to certain slope at the top of high cofferdam, width should ensure that at least opposing traffic.
When pouring, placement layer by layer, first casting concrete entity barricade (paying attention to parting) is answered then to fill upstream and downstream side respectively
Waste building body, then increase pouring in this way successively, can also so in casting process until corresponding elevation
Carry out road.The ability for resisting over-level flood is increased in this way, is also poured for our major projects and traffic route is provided,
It is a kind of easy for construction, structure is increased in a kind of structurally simple, economical cofferdam saved, accelerate construction progress.
The specific application example of the above only present invention, the present invention also has other embodiments, all to use equivalent replacement
Or the technical solution that equivalent transformation is formed, it all falls within protection domain of the presently claimed invention.
Claims (4)
1. a kind of upstream cofferdam structure for taking into account communication function increases method, it is characterised in that：Using thin wall counterfort wall generation
Increase cofferdam height for traditional Gravity Retaining Wall or soil engineering bag filled type barricade；Waste is carried out in top barricade upstream to fill out
It builds, to widen weir top width so that more Construction traffics can pass through simultaneously, accelerate major project construction progress；It is enclosed increasing
Weir crest subordinate swims both ends and also carries out waste and fill so that Construction traffic can go to downstream agent engineering by increasing cofferdam and be applied
Work.
2. a kind of upstream cofferdam for taking into account communication function by method of claim 1 design increases easy structure, feature exists
In：Including increasing concrete structure and filling waste structure；The concrete structure of increasing uses counterfort wall, the buttress type
Barricade is made of thin shingle nail (1), counterfort (2) and anchoring joint bar (6)；The anchoring joint bar (6) by the thin shingle nail (1),
Counterfort (2) is anchored in coffered foundation (5).
3. the upstream cofferdam for taking into account communication function according to claim 2 increases easy structure, it is characterised in that：It is described to fill
Waste structure includes that upstream side waste fills (3), downstream left side waste fills waste on the right side of (4) and downstream and fills (7)；On described
Trip side waste fills (3) and is located at the upstream of the thin shingle nail (1) and forms barrage structure, and waste fills on the left of the downstream
(4) and on the right side of downstream waste fills the underwater bed left and right sides formation twice wing that (7) are respectively provided at the thin shingle nail (1)
Wall.
4. the upstream cofferdam for taking into account communication function according to claim 2 increases easy structure, it is characterised in that：It is described to increase
It is respectively independent but mutually hold mutually that concrete structure and waste fill structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810765453.1A CN108677980B (en) | 2018-07-12 | 2018-07-12 | Upstream cofferdam heightening method and structure taking traffic function into consideration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810765453.1A CN108677980B (en) | 2018-07-12 | 2018-07-12 | Upstream cofferdam heightening method and structure taking traffic function into consideration |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108677980A true CN108677980A (en) | 2018-10-19 |
| CN108677980B CN108677980B (en) | 2023-10-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810765453.1A Active CN108677980B (en) | 2018-07-12 | 2018-07-12 | Upstream cofferdam heightening method and structure taking traffic function into consideration |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258469A (en) * | 2019-06-05 | 2019-09-20 | 中国电建集团成都勘测设计研究院有限公司 | The flat system in synthesis field for high-mountain gorge areas construction of hydropower plant |
| CN110847126A (en) * | 2019-11-27 | 2020-02-28 | 中国电建集团贵阳勘测设计研究院有限公司 | Compromise small-size sluice structure of flood discharge and layering water intaking, reposition of redundant personnel function |
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| CN104153380A (en) * | 2014-04-11 | 2014-11-19 | 中国水利水电第十一工程局有限公司 | Anti-seepage cofferdam structure and construction process |
| CN104196041A (en) * | 2014-08-09 | 2014-12-10 | 葛洲坝集团基础工程有限公司 | Construction method for concrete diaphragm wall cofferdam heightening |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110258469A (en) * | 2019-06-05 | 2019-09-20 | 中国电建集团成都勘测设计研究院有限公司 | The flat system in synthesis field for high-mountain gorge areas construction of hydropower plant |
| CN110847126A (en) * | 2019-11-27 | 2020-02-28 | 中国电建集团贵阳勘测设计研究院有限公司 | Compromise small-size sluice structure of flood discharge and layering water intaking, reposition of redundant personnel function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108677980B (en) | 2023-10-31 |
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