CN104018471B - Block overfall dam structure - Google Patents
Block overfall dam structure Download PDFInfo
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- CN104018471B CN104018471B CN201410267205.6A CN201410267205A CN104018471B CN 104018471 B CN104018471 B CN 104018471B CN 201410267205 A CN201410267205 A CN 201410267205A CN 104018471 B CN104018471 B CN 104018471B
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- blocking
- overfall dam
- netted
- permeable skeleton
- dam structure
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Abstract
The invention discloses one to block overfall dam structure, belong to Design of The Hydraulic Structure manufacturing technology field.There is provided a kind of and basis instrument is required overfall dam structure of blocking low, that construction is simple, construction cost is cheap.Described overfall dam structure of blocking includes block stone and netted permeable skeleton, described block stone is filled in described netted permeable skeleton, and described overfall dam structure of blocking is fixed in river course or the raceway groove that outside need arranges overfall dam structure of blocking by described netted permeable skeleton；Current along described river course or channel current flows flow through described overfall dam structure of blocking through gap between described netted permeable skeleton and adjacent block stone, and wrapped folder solid matter in described current or bed load connect overfall dam structured filter by described blocking and the upstream face side of overfall dam structure of blocking described in being blocked in.
Description
Technical field
The present invention relates to one to block overfall dam structure, belong to Design of The Hydraulic Structure manufacturing technology field.
Background technology
In or mud-rock flow river course, raceway groove more in bed load, in order to avoid the solid matter in bed load or mud-rock flow enters downstream building, or mud-rock flow raceway groove is blocked, to reach to subtract the purpose that gesture is back-silted, blocking dam need to be set in river course, raceway groove.The feature of this blocking dam is can block bed load or solid matter, and dam body again can be permeable, and simultaneously unnecessary current can also from dam crest overflow.
At present, for reaching this purpose, in engineering, generally individually employing is blocked concrete dam, and arranges permeable hole on dam body and reduce dam body pressure, arranges comb structure and block other materials on dam crest.Owing to being xoncrete structure, river course, raceway groove and two sides fundamental importance is high, need to excavate, produce to destroy to former river course, raceway groove, add bed load or solid matter；Concrete dam is rigid structure, and it is affected bigger by foundation deformation, it is easy to deformation failure；Concrete dam can not be accomplished to gather materials on the spot, complexity of constructing, engineering time length, high cost.Therefore, it is necessary to select a kind of simple and practical overfall dam of blocking that bed load is more or mud-rock flow river course, raceway groove are administered.
Summary of the invention
The technical problem to be solved is: provide a kind of and basis instrument requires overfall dam structure of blocking low, that construction is simple, construction cost is cheap.
Be the technical scheme is that one is blocked overfall dam structure by solving above-mentioned technical problem, including block stone and netted permeable skeleton, described block stone is filled in described netted permeable skeleton, and described overfall dam structure of blocking is fixed in river course or the raceway groove that outside need arranges overfall dam structure of blocking by described netted permeable skeleton；Current along described river course or channel current flows flow through described overfall dam structure of blocking through gap between described netted permeable skeleton and adjacent block stone, wrapped folder solid matter in described current or bed load by described blocking connect overfall dam filter and be blocked in described in block the upstream face side of overfall dam structure.
Further, it is respectively arranged with Anti-scouring structure at the top of the netted permeable skeleton of overfall dam structure dam body of blocking described in composition and back side side.
Such scheme it is preferable that, described netted permeable skeleton be connected with described Anti-scouring structure be partially submerged in described Anti-scouring structure.
Further, described Anti-scouring structure is the concrete slab being cast in described netted permeable skeleton top and back side side, is positioned on the described concrete slab of described netted permeable skeleton back side side and is provided with the flowing hole extended along water (flow) direction.
Further, the antiscour protection-apron extended along water (flow) direction it is additionally provided with in the bottom of described netted permeable skeleton back side side.
Further, described antiscour protection-apron is made up of the described Anti-scouring structure on top and the described netted permeable skeleton of bottom, is also filled with described block stone in the netted permeable skeleton of described antiscour protection-apron.
Further, the Anti-scouring structure being positioned at described antiscour protection-apron top is one-body molded with the Anti-scouring structure being positioned at described netted permeable skeleton back side side.
It is further, described netted permeable skeleton is made up of multiple interconnective netted gabions, each described netted gabion is cuboid or the cube structure of rule, and described block stone is filled in each described netted gabion of cuboid or cube structure respectively.
Further, described netted gabion is formed by reinforcement welding, is welding connection structure between adjacent two netted gabions.
It is further, described netted permeable skeleton is made up of multiple interconnective netted gabions, each described netted gabion is cuboid or the cube structure of rule, and described block stone is filled in each described netted gabion of cuboid or cube structure respectively.
The invention has the beneficial effects as follows: owing to described overfall dam structure of blocking is made up of described netted permeable skeleton and the block stone being filled in described netted permeable skeleton, and described overfall dam structure of blocking is fixed in the river course or raceway groove that need to arrange overfall dam structure of blocking by described netted permeable skeleton.So, current along described river course or channel current flows just can pass through gap between described netted permeable skeleton and adjacent block stone and flow through described overfall dam structure of blocking, and wrapped folder solid matter in described current or bed load can by described blocking connect overfall dam filter and be blocked in described in block the upstream face side of overfall dam structure.Both the function of block bed load or the solid matter on existing excessive dam of blocking had been realized, again due to the dam body of the unlike xoncrete structure of netted permeable skeleton, when being connected with river course, raceway groove, river course, raceway groove fundamental importance is higher, and have only to use and be fixed on the bank base of river course, raceway groove both sides as spud pile, the building fixing post one class or component, the requirement of infrastructure is low, and block stone can be gathered materials on the spot, with take with, construction is simple, construction cost is cheap.
Accompanying drawing explanation
Fig. 1 is that the present invention blocks the cross-sectional structure schematic diagram of overfall dam structure；
Fig. 2 is the layout drawing of the single netted gabion that the present invention relates to；
Fig. 3 is the I portion detail drawing of Fig. 1.
Figure is labeled as: block stone 1, netted permeable skeleton 2, Anti-scouring structure 3, flowing hole 4, antiscour protection-apron 5, netted gabion 6.
Detailed description of the invention
As shown in Figure 1, Figure 2 and be provided by the invention a kind of basis instrument is required overfall dam structure of blocking low, that construction is simple, construction cost is cheap shown in Fig. 3.Described overfall dam structure of blocking includes block stone 1 and netted permeable skeleton 2, described block stone 1 is filled in described netted permeable skeleton 2, and described overfall dam structure of blocking is fixed in river course or the raceway groove that outside need arranges overfall dam structure of blocking by described netted permeable skeleton 2；Current along described river course or channel current flows flow through described overfall dam structure of blocking through the gap between described netted permeable skeleton 2 and adjacent block stone 1, wrapped folder solid matter in described current or bed load by described blocking connect overfall dam filter and be blocked in described in block the upstream face side of overfall dam structure.Owing to described overfall dam structure of blocking is made up of described netted permeable skeleton 2 and the block stone 1 being filled in described netted permeable skeleton 2, and described overfall dam structure of blocking is fixed in the river course or raceway groove that need to arrange overfall dam structure of blocking by described netted permeable skeleton 2.So, current along described river course or channel current flows just can flow through described overfall dam structure of blocking in the gap passed through between described netted permeable skeleton 2 and adjacent block stone 1, and wrapped folder solid matter in described current or bed load can by described blocking connect overfall dam filter and be blocked in described in block the upstream face side of overfall dam structure.Both the function of block bed load or the solid matter on existing excessive dam of blocking had been realized, again due to the dam body of the unlike xoncrete structure of netted permeable skeleton 2, when being connected with river course, raceway groove, river course, raceway groove fundamental importance is higher, and have only to use and be fixed on the bank base of river course, raceway groove both sides as spud pile, the building fixing post one class or component, the requirement of infrastructure is low, and block stone 1 can be gathered materials on the spot, with take with, construction is simple, construction cost is cheap.
Although blocking, overfall dam structure is usually a kind of temporary facility, but it still has certain useful life, in order to extend the service life of overfall dam structure of blocking described herein, meeting the needs of construction project, the top of netted permeable skeleton 2 and the back side side of overfall dam structure dam body of blocking described in constitute are respectively arranged with Anti-scouring structure 3；And make described netted permeable skeleton 2 be connected with described Anti-scouring structure 3 be partially submerged in described Anti-scouring structure 3.Wherein preferred Anti-scouring structure 3 is the concrete slab being cast in described netted permeable skeleton 2 top and back side side, is positioned on the described concrete slab of described netted permeable skeleton 2 back side side and is provided with the flowing hole 4 extended along water (flow) direction.Instructions for use according to overflow of blocking, in order to the use making the overfall dam structure of blocking of the application structure is wider, is additionally provided with the antiscour protection-apron 5 extended along water (flow) direction in the bottom of described netted permeable skeleton 2 back side side.In order to simplify the structure of described antiscour protection-apron 5, described antiscour protection-apron 5 is made up of the described Anti-scouring structure 3 on top and the described netted permeable skeleton 2 of bottom, is also filled with described block stone 1 in the netted permeable skeleton 2 of described antiscour protection-apron 5.And the Anti-scouring structure 3 that will be located in the Anti-scouring structure 3 on described antiscour protection-apron 5 top and be positioned at described netted permeable skeleton 2 back side side is arranged to one-body molded.So; adopt above-mentioned Anti-scouring structure 3 and antiscour protection-apron 5; it is possible not only to protect the excessive dam of blocking of described structure; and owing to described Anti-scouring structure 3 is concrete slab; maximum limit can also reduce production cost; make full use of very common construction material in building in hydroelectric project to build, with convenient construction, reduce cost.
Described overfall dam structure of blocking can be made at the scene in order to convenient, described netted permeable skeleton 2 is made up of multiple interconnective netted gabions 6, each described netted gabion 6 is cuboid or the cube structure of rule, described block stone 1 is filled in each described netted gabion 6 of cuboid or cube structure respectively, and described netted gabion 6 is formed by reinforcement welding, it is welding connection structure between adjacent two netted gabions 6.So, just can utilize very easily scene reinforcing bar make described netted permeable skeleton 2 on the spot, really accomplish that whole blocking connects gathering materials on the spot of overfall dam, with take with.
Claims (6)
1. an overfall dam structure of blocking, it is characterized in that: include block stone (1) and netted permeable skeleton (2), described block stone (1) is filled in described netted permeable skeleton (2), and described overfall dam structure of blocking is fixed in river course or the raceway groove that outside need arranges overfall dam structure of blocking by described netted permeable skeleton (2)；Current along described river course or channel current flows flow through described overfall dam structure of blocking through the gap between described netted permeable skeleton (2) and adjacent block stone (1), wrapped folder solid matter in described current or bed load by described overfall dam of blocking filter and be blocked in described in block the upstream face side of overfall dam structure
Block the top of netted permeable skeleton (2) of overfall dam structure dam body described in constitute and back side side be respectively arranged with Anti-scouring structure (3),
The antiscour protection-apron (5) extended along water (flow) direction it is additionally provided with in the bottom of described netted permeable skeleton (2) back side side,
Described netted permeable skeleton (2) is made up of multiple interconnective netted gabions (6), each described netted gabion (6) is cuboid or the cube structure of rule, and described block stone (1) is filled in each described netted gabion (6) of cuboid or cube structure respectively.
2. overfall dam structure of blocking according to claim 1, it is characterised in that: described netted permeable skeleton (2) be connected with described Anti-scouring structure (3) be partially submerged in described Anti-scouring structure (3).
3. overfall dam structure of blocking according to claim 1, it is characterized in that: described Anti-scouring structure (3) is the concrete slab being cast in described netted permeable skeleton (2) top and back side side, be positioned on the described concrete slab of described netted permeable skeleton (2) back side side and be provided with the flowing hole (4) extended along water (flow) direction.
4. overfall dam structure of blocking according to claim 1, it is characterized in that: described antiscour protection-apron (5) is made up of the described Anti-scouring structure (3) on top and the described netted permeable skeleton (2) of bottom, is also filled with described block stone (1) in the netted permeable skeleton (2) of described antiscour protection-apron (5).
5. overfall dam structure of blocking according to claim 1, it is characterised in that: the Anti-scouring structure (3) being positioned at described antiscour protection-apron (5) top is one-body molded with the Anti-scouring structure (3) being positioned at described netted permeable skeleton (2) back side side.
6. overfall dam structure of blocking according to claim 1, it is characterised in that: described netted gabion (6) is formed by reinforcement welding, is welding connection structure between adjacent two netted gabions (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410267205.6A CN104018471B (en) | 2014-06-16 | 2014-06-16 | Block overfall dam structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410267205.6A CN104018471B (en) | 2014-06-16 | 2014-06-16 | Block overfall dam structure |
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| Publication Number | Publication Date |
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| CN104018471A CN104018471A (en) | 2014-09-03 |
| CN104018471B true CN104018471B (en) | 2016-07-13 |
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| CN201410267205.6A Active CN104018471B (en) | 2014-06-16 | 2014-06-16 | Block overfall dam structure |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104652370A (en) * | 2014-12-31 | 2015-05-27 | 中国科学院、水利部成都山地灾害与环境研究所 | Method for optimizing debris flow blocking dam design under eccentric loading effect |
| CN105297679B (en) * | 2015-03-26 | 2017-11-28 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of anti-seepage method and structure on rock-fill dams upstream face top layer |
| CN106320252B (en) * | 2015-06-17 | 2019-01-11 | 中国电建集团成都勘测设计研究院有限公司 | Block composite structure and the method protected for ditch water process and mud-rock flow |
| CN105672188A (en) * | 2016-01-12 | 2016-06-15 | 中国地质大学（武汉） | Debris flow ecological protection device capable of dissipating energy and conducting filtration |
| CN105603941B (en) * | 2016-02-26 | 2017-06-30 | 叶兴 | Multistage geosynthetics soil stone emergency spillway of bursting certainly |
| CN105926545A (en) * | 2016-06-08 | 2016-09-07 | 中铁西北科学研究院有限公司勘察设计分公司 | Permeable comb dam and implementation method |
| CN107938612B (en) * | 2017-10-26 | 2019-09-06 | 合肥学院 | A kind of mud-rock flow gravity type blocking dam group based on waste and old Container Reconstruction |
| CN108589631A (en) * | 2018-06-01 | 2018-09-28 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of dam crest overflow lattice guest's structure ecological storage dam |
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| CN2749933Y (en) * | 2004-11-26 | 2006-01-04 | 吕全德 | Flexible dike dam |
| RU2373329C1 (en) * | 2008-07-14 | 2009-11-20 | Василий Петрович Ягин | Culvert under bank |
| CN101705668A (en) * | 2009-11-09 | 2010-05-12 | 中国水电顾问集团华东勘测设计研究院 | Damming water conservancy project construction structure constructed in flowing water and construction method thereof |
| CN203256699U (en) * | 2013-05-28 | 2013-10-30 | 中国水电顾问集团贵阳勘测设计研究院 | Construction structure for water passing earth-rock dam |
| CN203904936U (en) * | 2014-06-16 | 2014-10-29 | 中国电建集团成都勘测设计研究院有限公司 | Blocking overflow dam |
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2014
- 2014-06-16 CN CN201410267205.6A patent/CN104018471B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2749933Y (en) * | 2004-11-26 | 2006-01-04 | 吕全德 | Flexible dike dam |
| RU2373329C1 (en) * | 2008-07-14 | 2009-11-20 | Василий Петрович Ягин | Culvert under bank |
| CN101705668A (en) * | 2009-11-09 | 2010-05-12 | 中国水电顾问集团华东勘测设计研究院 | Damming water conservancy project construction structure constructed in flowing water and construction method thereof |
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| CN104018471A (en) | 2014-09-03 |
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