厚大基础底板大体积混凝土裂缝控制技术  

CRACK CONTROL OF MASSIVE CONCRETE OF COLOSSAL FOUNDATION SLAB

作　　者：年洪喜 杨玉萍[1] 王鑫[1] 冯越[1] 焦玉锁 

机构地区：[1]北京建工集团总承包二部,100045

出　　处：《建筑技术》2005年第8期581-583,共3页Architecture Technology

摘　　要：北京电视中心工程综合业务楼基础底板厚度2m(局部厚达6.5m),东西向长88.2m,南北向长77.45m。施工中成功应用混凝土裂缝控制技术,混凝土施工时不留置任何后浇带或施工缝,一次性连续浇捣成型。经多个月观察,未发现贯通裂缝或其他有害裂缝,混凝土质量满足设计要求。The foundation slab of the complex building of Beijing Television Center is 2 m thick （some part reaches 6.5 m）, 88.2 m long in east-west direction and 77.45 m wide in north-south direction. In the construction, crack control technology was successfully applied, concrete continuously placed in one time, no any later-poured belt or construction joint reserved during concrete placement. By months of observation, no penetrating crack or other harmful crack is found, and concrete quality meets the requirement.

关 键 词：基础底板 混凝土 裂缝 施工缝 

分 类 号：TU528[建筑科学—建筑技术科学]