CN101555685B - Chain-degradation impounding dam for mountainous regions - Google Patents
Chain-degradation impounding dam for mountainous regions Download PDFInfo
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- CN101555685B CN101555685B CN2009101383950A CN200910138395A CN101555685B CN 101555685 B CN101555685 B CN 101555685B CN 2009101383950 A CN2009101383950 A CN 2009101383950A CN 200910138395 A CN200910138395 A CN 200910138395A CN 101555685 B CN101555685 B CN 101555685B
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- dam
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- flood
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Abstract
The invention discloses a chain-degradation impounding dam for mountainous regions, which is characterized in that a plurality of impounding dams are built in a mountain trench to form the chain-degradation dam; the turnings of the mountain trench and a river, with a minimum flood impact load, are chosen as the building sites of the dams; clean water pipes are reserved for each dam body; water-proof plastic cloth is arranged on the upstream faces of dam bodies and covered by a concrete layer; dam positions, which face the incoming direction of mountain torrents and have the maximum flood impact load, are provided with flood spillways; and small earth dams are built in the flood spillways. The built chain-degradation impounding dam can save time and money, is durable and can avoid intense-labor work including dam bottom cleaning, desilting and dredging. The chain-degradation impounding dam can be used for farmland irrigation, power generation and urban water supply and has the functionsof maintaining both water and soil, training mountain trenches and restoring vegetation cover of mountainous regions.
Description
Technical field
The present invention relates to a kind of dam, refer in particular to a kind of chain-degradation impounding dam for mountainous regions.
Background technology
At present, the mountain region storage dam is generally all built the Gou Menchu in gully in, and used constructional materials is cement, concrete, brick, stone etc., and its drawback is usually to be become silted up by silt to expire after building up several years.This just needs, and enforcement please be become silted up, dredging works.Last storage dam has still become " holding the mud dam ", and this has caused great waste for local financial resources, material resources, and environment has also been caused serious destruction.But not only flood retention of design-build, retaining, field irrigation but also the storage dam of avoiding please becoming silted up, dredging have very important realistic meaning.
Summary of the invention
The technical problem to be solved in the present invention is realized by following scheme: chain-degradation impounding dam for mountainous regions, it is characterized in that: in a gully, build many storage dams, the chain type storage dam is moved back in formation, the position of building a dam is selected in the place of the corner flood impact force minimum in gully, stream, and every dam body leaves the clear water pipe, and the upstream face of dam body is laid the water proof Polypropylence Sheet, oversite concrete layer on it, come to locating at mountain torrents, flood spillway is opened in the place of hydraulic impact maximum, builds little earth dam in the flood spillway.
Advantage of the present invention is: build many storage dams in a gully or stream, first is regulating dam, mountain torrents with the silt alluvial after, clear water enters second dam again by pipeline, first dam become silted up full after, with second dam flood retention.As time passes, silt second dam that deposited again, clear water enters the 3rd dam again, second dam become silted up full after, with the 3rd dam flood retention.So promptly formed " moving back the chain type storage dam ".
The position of building a dam of this chain-degradation impounding dam for mountainous regions is selected in the corner in gully, stream, the place of flood impact force minimum.Flood spillway is opened at mountain torrents to come to locating, the place of hydraulic impact maximum, and that opens is spacious as far as possible, like this can be by the magnanimity of rushing down of maximum.Build simpler and easy, thin little earth dam i.e. " Ba Zhongba " in flood spillway, when flood comes, allow flood wash out little earth dam, flood is built up in the past again, and little earth dam is just as " safety valve " on the pressure cooker.Build this chain-degradation impounding dam for mountainous regions saving of labor, save money, durable in use, can avoid often removing the dam at the bottom of, the heavy work of digging silt, dredging.Chain-degradation impounding dam for mountainous regions promptly can be used for field irrigation, generating, can be used for urban water supply again, conserves water and soil, administers the gully in addition, recovers the function of mountain area vegetation.
Description of drawings
Do for embodiment below in conjunction with accompanying drawing and to describe in further detail:
Fig. 1 is the chain-degradation impounding dam for mountainous regions schematic diagram
The specific embodiment
As shown in Figure 1, dotted line is the trend according to mountain shape, the gully of formation.In the gully, build a storage dam (forming chain-degradation impounding dam for mountainous regions) with also building some storage dams in the gully.The position of building a dam is selected in the place of the corner flood impact force minimum in gully, stream.Clear water pipe 2 is left at dam body 1 middle part, and after the silt alluvial, clear water flows to next dam through clear water pipe 2, and after first dam became silted up and expire, next dam had become regulating dam again.The upstream face of dam body 1 is laid the water proof Polypropylence Sheet, and oversite concrete layer 5 is with antiseep on it.Come to locating at mountain torrents, flood spillway 3 is opened in the place of hydraulic impact maximum, builds easy little earth dam 4 in the flood spillway 3.The job practices of building a dam is: the general physical features in both sides, place of building a dam is higher, suitable directional blasting.Strength with explosive is thrown to the place that will build a dam with stone, earth, draws husky method with water lift again, water is carried sweep away aloft again, make its with the stone seam of silt alluvial on the dam in.Like this, directional blasting and water lift draw husky method to hocket, and just can build up dam body 1 at an easy rate.
Claims (1)
1. chain-degradation impounding dam for mountainous regions, it is characterized in that: in a gully, build many storage dams, the chain type storage dam is moved back in formation, the position of building a dam is selected in the place of the corner flood impact force minimum in gully, stream, and every dam body leaves the clear water pipe, and the upstream face of dam body is laid the water proof Polypropylence Sheet, oversite concrete layer on it, come to locating at mountain torrents, flood spillway is opened in the place of hydraulic impact maximum, builds little earth dam in the flood spillway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101383950A CN101555685B (en) | 2009-05-05 | 2009-05-05 | Chain-degradation impounding dam for mountainous regions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101383950A CN101555685B (en) | 2009-05-05 | 2009-05-05 | Chain-degradation impounding dam for mountainous regions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101555685A CN101555685A (en) | 2009-10-14 |
| CN101555685B true CN101555685B (en) | 2011-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101383950A Expired - Fee Related CN101555685B (en) | 2009-05-05 | 2009-05-05 | Chain-degradation impounding dam for mountainous regions |
Country Status (1)
| Country | Link |
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| CN (1) | CN101555685B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4561801A (en) * | 1984-01-31 | 1985-12-31 | Nantz Milton J | Method and apparatus for inhibiting erosion |
| SU1724795A1 (en) * | 1990-04-25 | 1992-04-07 | У.О. Кожантов | Mudflow protection method |
| CN1222610A (en) * | 1998-01-08 | 1999-07-14 | 汤新正 | Comprehensive scheme of controlling flood, preventing drought and preventing soil erosion |
| CN2343202Y (en) * | 1998-10-08 | 1999-10-13 | 邢文祥 | Device for collecting and storing hillside running water |
| CN1493748A (en) * | 2003-10-08 | 2004-05-05 | 靳燕生 | Small drainage basin rainwater utilization micro regulation and control method |
| JP2007303248A (en) * | 2006-05-15 | 2007-11-22 | Shimizu Corp | Dammed lake and clear water bypass pipe laying method |
-
2009
- 2009-05-05 CN CN2009101383950A patent/CN101555685B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4561801A (en) * | 1984-01-31 | 1985-12-31 | Nantz Milton J | Method and apparatus for inhibiting erosion |
| SU1724795A1 (en) * | 1990-04-25 | 1992-04-07 | У.О. Кожантов | Mudflow protection method |
| CN1222610A (en) * | 1998-01-08 | 1999-07-14 | 汤新正 | Comprehensive scheme of controlling flood, preventing drought and preventing soil erosion |
| CN2343202Y (en) * | 1998-10-08 | 1999-10-13 | 邢文祥 | Device for collecting and storing hillside running water |
| CN1493748A (en) * | 2003-10-08 | 2004-05-05 | 靳燕生 | Small drainage basin rainwater utilization micro regulation and control method |
| JP2007303248A (en) * | 2006-05-15 | 2007-11-22 | Shimizu Corp | Dammed lake and clear water bypass pipe laying method |
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| Publication number | Publication date |
|---|---|
| CN101555685A (en) | 2009-10-14 |
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Granted publication date: 20110105 Termination date: 20140505 |