钢罩式气垫调压室在金康水电站的应用  

Design and Optimization for High Pressure Headrace Tunnel Lining at Jinkang Hydropower Station

作　　者：张良[1] 蒋文胜[2] 

机构地区：[1]华能四川康定水电开发有限公司,四川成都610041 [2]中国水利水电第七工程局,四川郫县611730

出　　处：《四川水力发电》2007年第6期13-16,44,共5页Sichuan Hydropower

摘　　要：国内外已建的气垫调压室都是利用经过处理的围岩自身或再辅以在其周边设置的水幕来防止气室漏气。但据国内外的工程实践,即使对岩体采取了复杂而昂贵的工程处理措施,也难以确保气室的气密性。金康电站的地质条件较差,气垫室采用钢板防止气室漏气,克服了气室闭气难的问题,实现了工期省、投资省、调压室运行可靠的目标。钢罩式气垫调压室在金康电站的成功应用,将对引水式电站具有较大的推广价值。Different tunnel lining design theory will have different results for the headrace tunnel.As for the long headrace tunnel with long section of poor geological conditions,reduce of lining quantity and cost is a key problem for the Owner and the Designer under the condition of its safe operation.The long and high pressure headrace tunnel lining design,optimization and measured reinforcement stress analysis at Jinkang hydropower station have shown that water pressure is mainly born by the surrounding rocks even if under poor geological conditions.

关 键 词：金康水电站 钢罩式气垫调压室 应用 

分 类 号：TV732.5[水利工程—水利水电工程]