北京奥运老山自行车馆有粘结与无粘结预应力成套技术  

PACKAGED TECHNOLOGY OF PRESTRESS WITH AND WITHOUT BOND IN LAOSHAN MOUNTAIN BIKE COURSE PROJECT FOR BEIJING OLYMPICS

作　　者：王生辉 李亚文 

机构地区：[1]中国新兴建设开发总公司,北京100039

出　　处：《建筑技术》2008年第12期906-909,共4页Architecture Technology

摘　　要：北京奥运老山自行车馆工程主赛馆为环形超长无缝"车辐式"混凝土框架结构。针对温度效应突出的问题,采用"防"、"放"、"控"等措施;并采用有粘结与无粘结预应力成套技术,解决了施工中的难题,效果良好。Main hall of Laoshan Mountain Bike Course for Beijing Olympics adopts super-long annular seamless spoke-type concrete frame structure. Considering serious temperature effect, relevant measures, such as prevention, release and control, are adopted. In addition, packaged technology of prestress with and without bond is adopted to solve construction problems and favorable results have been reached.

关 键 词：预应力 先张法 后张法 

分 类 号：TU757.4[建筑科学—建筑技术科学]