Characteristics and Control Measures of Soil and Water Loss in Construction Period of Hydropower Station

CHEN Qi-bo; HE Hao; QI Hong-mei

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Characteristics and Control Measures of Soil and Water Loss in Construction Period of Hydropower Station

- Characteristics and Control Measures of Soil and Water Loss in Construction Period of Hydropower Station
- Bulletin of Soiland Water Conservation Vol. 28, Issue 3, Pages: 10-13(2009)
- 作者机构：
  
  1. 西南林学院,云南,昆明,650224
  3. 国电香格里拉发电有限公司云南香格里拉,674400
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2009
- 稿件说明：
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CHEN Qi-bo, HE Hao, QI Hong-mei. Characteristics and Control Measures of Soil and Water Loss in Construction Period of Hydropower Station[J]. Bulletin of Soiland Water Conservation, 2009, 28(3): 10-13.
DOI：

CHEN Qi-bo, HE Hao, QI Hong-mei. Characteristics and Control Measures of Soil and Water Loss in Construction Period of Hydropower Station[J]. Bulletin of Soiland Water Conservation, 2009, 28(3): 10-13. DOI：

摘要

由于水电开发在我国能源发展中的优势地位，近年西南地区和云南省水电站建设步伐明显加快，但水电开发对生态环境的影响也日益突出。针对水电站建设施工特点和人为水土流失特点，指出“三通一平”阶段和大坝浇筑前是水土流失的重要时段，弃渣场和施工道路是水土流失的关键部位。提出了弃渣场合理选址、基础处理、径流排导、弃渣拦挡、弃渣平台及边坡治理，以及施工道路合理截排水，稳定开挖边坡，保护路基，下边坡挡护，适当绿化的具体防治方案。

Abstract

Hydropower station construction in Southwest China and Yunnan Province has accelerated noticeably recently owing to the dominant position of hydropower development in China's energy development.But it also has prominent impacts on the ecological environment.Considering the construction features and man made soil and water loss

this article proposes that the“three(water

electricity

and gas) available and one flat(construction site flat)”stage and the time before dam pouring are the cxitical period of s oil and water loss.Dumpling piles and construction roads are the main sources of soil and water loss.Several control mean ures are also proposed

such as proper dumpling pile location

foundation treatment

runoff exhaust

spoil block

spoil platform

and slope management

as well as reasonable water cutoff and drainage on construetion roads

excavated slope stabilization

embankment protection

protection of lower slope

and appropriate vegetation.

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