二河新泄洪闸施工期混凝土温控防裂研究  

Temperature Control and Crack Prevention of Concrete in the Construction of New Erhe Sluice Gate

作　　者：林志祥[1] 朱岳明[1] 刘勇军[1] 徐之青[1] 曹为民[2] 吴健[2] 闪黎[2] 

机构地区：[1]河海大学水利水电工程学院,南京210098 [2]淮委治淮工程建设局,蚌埠233001

出　　处：《建筑结构》2005年第4期18-21,24,共5页Building Structure

摘　　要：采用有限元方法并经过初步计算、反分析计算和反馈计算,对二河新泄洪闸施工期混凝土的温度应力和徐变应力进行仿真分析并指导施工,实现了在水闸施工中不出现一条肉眼可见裂缝的防裂目标。实践证明只要施工方法合理,事先进行充分地科研工作,完全可以实现不出现肉眼可见裂缝的防裂目标。The temperature control and crack prevention of concrete in the construction of new Erhe sluice gate are studied.It is focused in primary calculation,counter-analysis and feedback iteration with finite element method,and there is no crack which can be seen by naked eyes in the gate.Practice proves that so long as the measure is reasonable, and research is in advance of work,the purpose that no crack can be seen by naked eyes will be realized.

关 键 词：混凝土 施工期 泄洪闸 温控防裂 有限元方法 分析计算 仿真分析 徐变应力 施工方法 科研工作 应力和 裂缝 可见 肉眼 

分 类 号：TU528.042[建筑科学—建筑技术科学] P338[天文地球—水文科学]