摘要
从理论上分析了造成预应力张拉伸长值偏大或偏小的原因,并结合工程实践论证了本文分析的合理性。
The cause is analysed,which leads to longish or shortish preactical prestressing elongation as compared with theoretical it,and the cause analysis has been proved to be reasonable in project practice.
出处
《混凝土》
CAS
CSCD
2003年第5期20-21,28,共3页
Concrete
关键词
预应力
伸长值
异常情况
摩擦损失
弹性模量
prestressing
elongation
abnormal phenomena
friction loss
modulus of elasticity
