后浇带对600MW机组混凝土主厂房温度应力影响浅析

Brief analysis of influence of post-poured strips on thermal stresses in concrete main power building for 600MW unit

简要介绍了后浇带的定义及施工方法.以某600 MW机组大型火力发电厂为例,利用PKPM程序分工况计算温度应力对主厂房框架产生的影响,着重分析后浇带对此类超长结构温度应力的释放作用,并提出一些有关后浇带设置方面的体会与建议.

The definition and the construction methods of post-poured strips are described briefly.How the thermal stresses affect the main power buildings frames is analyzed by using PKPM calculation software in different cases.It is discussed that the post-poured strips may release thermal stress of overlength structures.Finally,some suggestions about setting post-poured strips are proposed.