增大截面法加固高温损伤钢筋混凝土压弯构件承载力和变形的计算  

CALCULATION OF BEARING CAPACITY AND DEFORMATION OF REINFORCED CONCRETE ECCENTRICALLY COMPRESSED MEMBERS AFTER HIGH TEMPERATURE STRENGTHENED BY AUGMENTED SECTION

作　　者：刘利先[1] 时旭东[1] 过镇海[1] 

机构地区：[1]清华大学土木工程系,北京100084

出　　处：《工业建筑》2005年第z1期881-885,共5页Industrial Construction

摘　　要：对增大截面法加固的钢筋混凝土压弯构件的受力性能进行了全过程分析,并与试验结果相比较。计算结果表明该计算方法合理、程序可行、计算结果稳定。计算程序可作为火灾后增大截面法加固的混凝土压弯结构的分析或计算的手段。An entire process analysis is provided here which can be used to study mechanical properties of reinforced concrete eccentrically compressed members strengthened by augmented section.Compared with the test results,the method is reasonable and the calculated results are stable.The calculating program can serve as the means of analyzing and calculating strengthened reinforced concrete eccentrically compressed members after exposure to fire.

关 键 词：钢筋混凝土压弯构件 高温 增大截面法加固 承载力 

分 类 号：TU391[建筑科学—结构工程]