摘要
经理论分析，提出采用便携式千斤顶一次超张拉预应力筋，得出现浇框架不考虑柱子约束对弹性压缩的影响较小，还得出预应力筋摩擦系数与张拉应力之间的关系。
By theoretic analysis, using the prestressed bers which are extra primary stretched by portable jack, the cast-in-site frame affects little on the elastic compression if without consideration of column restriction. In addition, there lationship between fraction coefficient of prestressed bar and tensile stress is presenred herein, which is verified by practice.
出处
《工业建筑》
CSCD
北大核心
1996年第12期23-26,41,共5页
Industrial Construction
关键词
预应力混凝土
预应力框架
弹性压缩
摩擦系数
prestressed concrete
prestressed frame
elastic compression
fraction coefficient
