高温作用后混凝土抗拉强度与粘结强度的试验研究  

Research on bond and tension of concrete after high temperature

作　　者：谢狄敏[1] 钱在兹[1] 

机构地区：[1]浙江大学土木系

出　　处：《浙江大学学报（自然科学版）》1998年第5期597-602,共6页

基　　金：国家自然科学基金

摘　　要：本文对１５个混凝土立方体劈裂试件和２４个混凝土抗拔试件在常温～９００℃范围内不同温度作用后的抗拉强度与粘结强度进行了试验和理论分析工作．建立了高温作用后混凝土抗拉强度与粘结强度的推算公式，较好地符合试验结果．In order to investigate the effect of temperature (up to 900℃) caused by fire on the bond and tensile strength of concrete,two series of tests with a total of 39 specimens have been performed under different temperature conditions.The content consists of the residual tensile strength and bond strength of concrete subjected to fire and then cooled at air. The regularity and mechanism of the change in concrete bond and tension after high temperature were analyzed and the relevant formulas are proposed in this paper.

关 键 词：高温 粘结强度 抗拉强度 混凝土结构 试验 

分 类 号：TU370.3[建筑科学—结构工程]