钢筋强度标准值及其分项系数的校准研究  

Calibration of the Steel Strength Standard Value and the Partial Coefficient

作　　者：常乐[1] 王淑丽[1] 王紫轩[1] 

机构地区：[1]国家建筑工程质量监督检验中心,北京100013

出　　处：《工程质量》2012年第4期61-64,72,共5页Construction Quality

基　　金："十一五"国家科技支撑计划课题"既有建筑检测与评定技术研究"(2006BAJ03A02)

摘　　要：通过对热轧钢筋屈服强度检验数据的分析,认为有关规范对于HRB400钢筋强度标准值的取值略显偏高,钢筋混凝土受拉构件中热轧钢筋的材料强度分项系数宜由目前的1.1提高至1.3左右;笔者还对构件承载力分项系数的表述形式进行了探讨。The analysis of tested data for yield strength of hot-rolled steel presents that the strength standard value of HRB400 steel in the relevant codes is slightly higher. The material strength partial safety eoeffieient of the hot-rolled steels in the reinforced concrete tension members should be increased from the current 1.1 to about 1.3. The presentation of the partial faetor for bearing capacity of members is discussed in this paper as well.

关 键 词：钢筋 变异系数 分项系数 受拉 可靠度 安全 

分 类 号：TU711[建筑科学—建筑技术科学]