泵送混凝土现浇大跨度配置BDF管的空心楼板——施工阶段裂缝防治  

Cast-in-place hollow floors by pumping concrete with longspan BDF pipes embedded in——Crack control during construction

作　　者：韩全章 曹阅 姜永清 卢罡 姜杨 

机构地区：[1]辽宁金帝建设集团,辽宁沈阳110000 [2]中国化学工程第九建设公司,辽宁沈阳110000 [3]自来水公司,辽宁沈阳110000

出　　处：《混凝土》2006年第5期80-81,85,共3页Concrete

摘　　要：结合中国家俱城四期工程现浇商品混凝土空心板的实际情况,为保证工程质量,提高施工速度,本文从混凝土配料、浇筑、振捣、二次抹压、养护、二次支护等一系统的过程,论述了施工阶段配有BDF薄壁管的空心楼板早期裂缝的防裂措施。To ensure the construction quality and quicken the construction for the 4th stage of the China Furniture Town, some measures were taken to control the early cracks within the hollow concrete floors where the thin-wall BDF pipes should be embedded in. Discusses these measures in view of a series of jobs including concrete mixing, casting, vibrating, secondary trowelling, curing and secondary supporting.

关 键 词：泵送混凝土 裂缝 二次抹压 二次振捣 

分 类 号：TU528.01[建筑科学—建筑技术科学]