某抽水蓄能电站蜗壳混凝土施工期温控仿真分析  

Simulation Analysis on Temperature Control of Spiral Case Concrete in Construction Period for a Pumped Storage Power Station

作　　者：钱继源 钟金盛 崔建华[2] 苏海东[2] QIAN Jiyuan;ZHONG Jinsheng;CUI Jianhua;SU Haidong(Anhui Jinzhai Pumped Storage Co.Ltd.,Jinzhai,237333 China;Changjiang Water Resources Committee,Yangtze River Scientific Research Institute,Wuhan 430010,China)

机构地区：[1]安徽金寨抽水蓄能有限公司,安徽省金寨县237333 [2]长江水利委员会长江科学院,武汉市430010

出　　处：《水电与抽水蓄能》2021年第2期78-83,共6页Hydropower and Pumped Storage

基　　金：国家重点研发计划项目(2019YFC1510803);国家自然科学基金资助项目(51779019)。

摘　　要：蜗壳结构是水电站厂房的心脏,其工作性态关系到电站的长期安全运行。本文针对抽水蓄能电站厂房蜗壳结构的特点,对蜗壳大体积混凝土结构施工过程进行了温度场与温度应力仿真计算,分析了蜗壳结构温度场与温度应力时空分布规律,并对影响蜗壳外围混凝土温度及应力的各种温控措施进行敏感性分析。通过多方案的比较,提出温控防裂措施建议,相关成果可为抽水蓄能电站蜗壳结构的温控设计及温控措施制定提供参考。The spiral case structure is the heart of the hydro power station.The working behavior of the spiral case structure will affect the long-term safe operation of the power station.In this paper,according to the characteristics of the spiral case structure of pumped storage power station,the numerical simulations of the mass concrete structure are carried out.The temporal and spatial distribution of the temperature and temperature stress of the spiral case structure are analyzed.And the sensitivity analysis of various temperature control measures which affecting the temperature and stress of the surrounding concrete of the spiral case are conducted.Through the comparison of several schemes,the temperature control and crack prevention measures are proposed.The results will provide reliable reference for temperature control design of spiral case structure in pumped storage power station.

关 键 词：抽水蓄能电站 蜗壳结构 温控 防裂 仿真 

分 类 号：TV67[水利工程—水利水电工程]