型钢再生混凝土框架-再生混凝土空心砌块填充墙恢复力特性的试验研究
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摘要
通过对5榀型钢再生混凝土框架-再生混凝土空心砌块填充墙模型在低周反复荷载作用下的骨架曲线、滞回曲线、延性及耗能等的分析,得到骨架曲线中各特征点的试验数据。在此基础上,利用ORIGIN8.0软件拟合得到考虑各类参数影响的无量纲化骨架曲线模型,进一步回归分析提出卸载刚度和再加载刚度退化规律,最终提出型钢再生混凝土框架-再生混凝土空心砌块填充墙的恢复力模型。将实测骨架曲线与恢复力模型进行对比分析表明,该模型拟合效果较好,可用于型钢再生混凝土框架-再生混凝土空心砌块填充墙的弹塑性地震反应分析。
Based on tests of five models of steel reinforced recycled concrete frame infilled with recycled concrete hollow blocks under low cyclic reversed loading,their skeleton curves,hysteretic curves,displacement ductility and energy dissipation were analysed,then the test data of feature points in the skeleton curves were obtained. On the basis of the experimental study,the test data were fitted by ORIGIN 8. 0 software and the dimensionless skeleton curve model considering the influence of various parameters,through further regression analysis,the degradation law of unloading rigidity and reloading rigidity was proposed. Ultimately,the restoring force model of steel reinforced recycled concrete frame infilled with recycled concrete hollow blocks was proposed. The comparative analysis of measured skeleton curves and restoring force model showed that this model fit better and could be used for elastic-plastic seismic response analysis of steel reinforced recycled concrete frame infilled with recycled concrete hollow blocks.
Based on tests of five models of steel reinforced recycled concrete frame infilled with recycled concrete hollow blocks under low cyclic reversed loading,their skeleton curves,hysteretic curves,displacement ductility and energy dissipation were analysed,then the test data of feature points in the skeleton curves were obtained. On the basis of the experimental study,the test data were fitted by ORIGIN 8. 0 software and the dimensionless skeleton curve model considering the influence of various parameters,through further regression analysis,the degradation law of unloading rigidity and reloading rigidity was proposed. Ultimately,the restoring force model of steel reinforced recycled concrete frame infilled with recycled concrete hollow blocks was proposed. The comparative analysis of measured skeleton curves and restoring force model showed that this model fit better and could be used for elastic-plastic seismic response analysis of steel reinforced recycled concrete frame infilled with recycled concrete hollow blocks.
引文
[1]Yang Youfu,Han Linhai.Experimental Behavior of Recycled Aggregate Concrete Filled Steel Tubular Columns[J].Journal of Constructional Steel Research,2006,62(12):1310-1324.
[2]肖建庄.再生混凝土[M].北京:中国建筑工业出版社,2008.
[3]郭子雄,杨勇.恢复力模型研究现状及存在的问题[J].地震工程与工程振动,2009,29(5):79-85.
[4]马辉.型钢再生混凝土柱抗震性能及设计计算方法研究[D].西安:西安建筑科技大学,2013.
[5]姚谦峰,陈平.土木工程结构试验[M].北京:中国建筑工业出版社,2001.
[6]JGJ 138—2001型钢混凝土组合结构技术规程[S].
[7]过镇海,时旭东.钢筋混凝土原理与分析[M].北京:清华大学出版社,2003.
[8]黄群贤,郭子雄,朱雁茹,等.混凝土空心砌块填充墙RC框架抗震性能试验研究[J].建筑结构学报,2012,33(2):110-118.
[9]王玮.型钢混凝土异形柱框架节点恢复力特性试验研究[D].西安:西安建筑科技大学,2010.
[2]肖建庄.再生混凝土[M].北京:中国建筑工业出版社,2008.
[3]郭子雄,杨勇.恢复力模型研究现状及存在的问题[J].地震工程与工程振动,2009,29(5):79-85.
[4]马辉.型钢再生混凝土柱抗震性能及设计计算方法研究[D].西安:西安建筑科技大学,2013.
[5]姚谦峰,陈平.土木工程结构试验[M].北京:中国建筑工业出版社,2001.
[6]JGJ 138—2001型钢混凝土组合结构技术规程[S].
[7]过镇海,时旭东.钢筋混凝土原理与分析[M].北京:清华大学出版社,2003.
[8]黄群贤,郭子雄,朱雁茹,等.混凝土空心砌块填充墙RC框架抗震性能试验研究[J].建筑结构学报,2012,33(2):110-118.
[9]王玮.型钢混凝土异形柱框架节点恢复力特性试验研究[D].西安:西安建筑科技大学,2010.
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