宏运大厦A塔楼筏形基础大体积混凝土施工防裂技术  

ANTI-CRACK TECHNIQUE FOR MASSIVE CONCRETE RAFT FOUNDATION CONSTRUCTION OF TOWER A OF HONGYUN BUILDING

作　　者：肖亮群 

机构地区：[1]洛阳市城市建设勘察设计院有限公司,河南洛阳471000

出　　处：《建筑技术》2013年第6期534-536,共3页Architecture Technology

摘　　要：宏运大厦A塔楼采用筏形基础,筏板厚4200mm,核心筒外侧筏板厚3500mm。针对厚大筏板混凝土防裂和混凝土养护、温度监测控制等问题,在混凝土配合比、原材料质量、降低浇筑温度等方面采取措施,防止了裂缝产生。The Tower A of Hongyun Building adopts raft foundation whose raft thickness is 4200 mm and the raft thickness outside the core tube is 3500mm. Considering such problems as anti-crack of large thick raft concrete, concrete curing, temperature monitoring and control, various measures are adopted on the aspects of concrete mixture proportion, quality of raw materials and concrete pouring temperature, to effectively prevent the generation of cracks.

关 键 词：大体积混凝土 混凝土配合比 混凝土浇筑 

分 类 号：TU755[建筑科学—建筑技术科学]