体外预应力加固框架梁预应力损失的分析  

Analysis of pre-stress loss of RC frame beam with external prestress

作　　者：王超[1] 曹霞[1] 金凌志[1] 

机构地区：[1]桂林工学院土木工程系,广西桂林541004

出　　处：《工程建设》2008年第4期5-8,共4页Engineering Construction

基　　金：广西自然科学基金项目(批准号:桂科自0447095);广西自然科学基金项目(批准号:桂科自0833255)

摘　　要：通过四榀钢筋混凝土框架梁体外预应力加固试验,研究了体外预应力加固技术中预应力损失问题。给出体外预应力加固技术在理论分析和工程设计中关于预应力损失的一些建议。Through the external pre-stress strengthening test of four RC frame beams, the pre-stress loss problem in external pre-stress strengthening technology was studied, and some suggestions on pre-stress loss for theoretical analysis and engineering design of external pre-stress strengthening technology were given.

关 键 词：体外预应力 框架梁 加固 预应力损失 

分 类 号：TU378.4[建筑科学—结构工程]