筏板基础超厚大体积混凝土施工技术  

Construction Technology of Ultra-thick Mass Concrete for Raft Foundation

作　　者：李文飞 LI Wen-fei(Fuzhou Railway Construction Co,Ltd,Fuzhou 350011,China)

机构地区：[1]福州铁建建筑有限公司,福州350011

出　　处：《建材世界》2020年第6期29-32,共4页The World of Building Materials

摘　　要：该文结合福州北站南广场综合交通枢纽工程实例,从施工准备、施工过程及施工后养护三个方面对高层建筑筏板基础超厚大体积混凝土的施工技术进行阐述与分析,介绍了超厚大体积混凝土的原材料选择、配合比设计、人员机械及作业条件准备,分析了浇筑及振捣的施工要点,并论述了混凝土的温度监测及养护措施。Based on the comprehensive transportation hub project of South Square in Fuzhou North Railway Station,the paper expounds the construction technology of ultra-thick mass concrete for raft foundation of high-rise buildings from three aspects,namely construction preparation,construction process and post-construction maintenance.The author also introduces the selection of raw materials,the design of mix proportion,as well as the preparation of personnel,machines and operation,analyzes the construction points of pouring and vibrating,and discusses the concrete temperature monitoring and maintenance measures.

关 键 词：筏板基础 超厚大体积混凝土 施工技术 浇捣 保温养护 

分 类 号：TU755[建筑科学—建筑技术科学] TU753