桥墩承台大体积混凝土防裂施工技术  

The Crack Control Technology of Bridge Pier Cap Mass Concrete

作　　者：刘兴文[1] 

机构地区：[1]西安铁路职业技术学院土木工程系,西安710600

出　　处：《河南科学》2012年第8期1089-1092,共4页Henan Science

基　　金：国家自然科学重点基金项目资助(41030742)

摘　　要：以京沪高速铁路某特大桥3、4号墩承台大体积混凝土的施工为工程背景,介绍了在淤泥质粘土中,承台大体积混凝土防裂施工的施工方案选择、施工准备、施工技术和防止混凝土开裂的技术措施,积累了承台大体积混凝土施工预防开裂的成功经验,可供同类工程施工提供参考.In this paper, on the engineering background of the Beijing-Shanghai high-speed railway bridge 3,4 pier platform big volume concrete construction, the author introduces large-volume concrete anti-crack construction scheme, construction preparation, construction technology and teehnieal measures to prevent concrete from cracking in the silty clay. The technology accumulates some successful experience for a mass concrete construction of foundation platform prevention of cracking, and it can provide some references for similar engineerings.

关 键 词：桥墩承台 大体积混凝土 防裂 施工技术 

分 类 号：U443.2[建筑科学—桥梁与隧道工程]