张河湾抽水蓄能电站厂房机墩组合结构刚度复核  

Stiffness Checking of Turbine Foundation Composite Structure of Zhanghewan Pumped-storage Power Station

作　　者：杨静[1] 马震岳[1] 陈婧[1] 程国瑞[1] 

机构地区：[1]大连理工大学

出　　处：《水力发电》2006年第12期33-35,共3页Water Power

基　　金：高等学校博士学科点专项科研基金资助项目(20030141018)

摘　　要：水电站厂房是复杂的空间结构,在水轮发电机组振动作用下,其薄弱部位和构件的反应敏感,受到设计和运行方面的关注。其中,机墩组合结构是主要的机组支承体系,其刚度和强度对机组的稳定性最为重要。采用现代数值计算方法,分别计算了机墩组合结构的静力刚度和动力刚度,计算结果表明,动力刚度存在与荷载频率的相关性,其结果更为可靠。Hydropower station buildings are complex three-dimensional structures. Its dynamic responses of weak portions and frame members under units＇ vibration are the most sensitive, and are also those we care most. The primary supporting system is the unit foundation composite structure, the stiffness and strength of which are the most key factors. This paper studys the dynamic and static stiffness of the unit foundation composite structure by numerical method, and the resuits indicate that the dynamic stiffness partly depends on the load frequency and the dynamic analysis is more reliable.

关 键 词：刚度 机墩 张河湾抽水蓄能电站 

分 类 号：TV731.6[水利工程—水利水电工程]