综合体育场馆底板超长混凝土结构施工技术  

Construction Technology of Super-long Concrete Structure for Base Plate of Sports Complex

作　　者：蒋丰 魏爱生[1] 刘火明[1] JIANG Feng;WEI Aisheng;LIU Huoming(China Construction Eighth Engineering Division Corp.,Ltd.Southwest Branch,Chengdu,Sichuan 610041,China)

机构地区：[1]中国建筑第八工程局有限公司西南分公司,四川成都61004

出　　处：《建筑施工》2020年第1期38-40,共3页Building Construction

摘　　要：为确保大型综合体育场馆的超长混凝土结构不出现裂缝,结合成都凤凰山体育中心项目,对环形超长混凝土结构的施工技术进行了研究。在施工过程中.分别采用合理划分施工段、设置后浇带、优化混凝土配合比等技术措施,以跳仓及跳仓递推的方式,有效地控制了裂缝的产生,亦有效确保了结构的施工质量和工期。To ensure that the super-long concrete structure of large-scale sports complex does not appear cracks,combined with the project of Chengdu Fenghuangshan Sports Center,the construction technology of annular super-long concrete structure is studied.In the process of construction,the technical measures such as reasonable division of construction section,setting of post pouring belt,optimization of concrete mix proportion,etc.are adopted respectively.By means of sequence method and recursive sequence method,the cracks are effectively controlled,and the construction quality and construction period of the structure are effectively ensured.

关 键 词：超长混凝土结构 跳仓法 混凝土配合比 后浇带 区段划分 

分 类 号：TU755[建筑科学—建筑技术科学]