大流量深厚覆盖层过水围堰设计  

Design on Flow-over-Cofferdam of Big Discharge Per Unit Width on Deep Overburden Layer

作　　者：李军[1] 蔡建国[1] 李其虎[2] 

机构地区：[1]中国水电顾问集团华东勘测设计研究院,浙江杭州310014 [2]二滩水电开发有限责任公司,四川成都610021

出　　处：《电网与清洁能源》2011年第8期94-96,共3页Power System and Clean Energy

基　　金：国家十一五科技支撑计划项目资助(2008BAB29B02)

摘　　要：介绍了深厚覆盖层大流量下的锦屏二级过水围堰设计,对其关键技术问题及其解决措施进行了阐述。锦屏二级水电站土石过水围堰无论在过水围堰高度规模、覆盖层深度、过水历时、过水水力指标均为国内高水平。This paper describes the design on the flow-over-cofferdam under big discharge per unit width and on deep overburden layer applied to the Jinping Ⅱ project. The key technical problems and their solutions are described. The height of the cofferdam, the depth of overburden layer under the cofferdam, duration of cofferdam and water indicators are of the highest level in domestic.

关 键 词：深厚覆盖层 长历时 高水力指标 过水围堰 工程技术研究 

分 类 号：TV551.3[水利工程—水利水电工程]