天生桥一级水电站引水隧洞预应力衬砌实测变形和实测应力分析  

Analysis on Measured Deformation & Stress of Prestress Liners in Diversion Tunnel of Tianshengqiao Ⅰ Hydropower Station

作　　者：魏德荣[1] 刘泽钧[2] 叶全闻[2] 

机构地区：[1]国家电力公司大坝安全监察中心,浙江杭州310014 [2]天生桥一级水电开发有限责任公司水力发电厂,贵州兴义562400

出　　处：《贵州水力发电》2004年第4期28-32,共5页Guizhou Water Power

摘　　要：文章简述了天生桥一级水电站引水隧洞环锚预应力结构及环锚预应力施工情况,分析了环锚穿索张拉及充水发电前后的预应力结构变形和应力变化规律。表明在环锚预应力衬砌的压力隧洞中,主要荷载由预应力承担,但钢筋的作用及温度应力的影响是不可忽视的。The paper briefly states circular anchor-prestress structures of diversion tunnel of Tianshengqiao Ⅰ Hydropower Station and its construction process,and analyzes deformation and stress variety behaviors of the structures before and after circular anchor cables are tensioned and tunnel is full with water for generation.This makes known that the main load is borne by prestress cables,but the action of steel bars and affect of temperature stress should not be ignored in a pressure tunnel with circular anchor prestress liners.

关 键 词：天生桥一级水电站 引水隧洞 预应力 衬砌 变形 温度应力 

分 类 号：TV672.1[水利工程—水利水电工程]