基于可拓识别法的生态复合墙体破坏模式判别
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摘要
对不同类型1/2比例模型的生态复合墙体水平低周反复加载试验进行分析,总结不同类型生态复合墙体的破坏模式,对比分析内填砌块材料、肋柱数量、高宽比、轴压比等因素对于墙体破坏模式的影响规律.在对墙体进行非线性数值扩展分析的基础上,进一步归纳关键因素指标对生态复合墙体破坏模式的影响规律.将可拓识别方法引入到生态复合墙体破坏模式定量识别中,确定生态复合墙体破坏模式可拓识别方法的实现步骤,并对试验墙体的实际破坏模式与实例计算结果进行对比分析.试验研究与理论分析表明:可拓识别方法能较真实地反映复合墙体在水平荷载作用下的破坏模式类型,具有较强的识别评判能力,为生态复合墙结构的设计理论提供了一种关键构件破坏模式的快速识别方法.
Through the analysis of four groups in 1/2scale of different types of ecological composite wall model on horizontal low cyclic loading test,the different types of ecological composite wall failure modes were summarized.The factors of the fill block materials,numbers of rib column,height to width ratio,axial compression ratio which influence the law of failure modes were analyzed in comparative.On the basis of the wall body analysis with nonlinear numerical extended,the key factors which influence the law of ecological composite wall failure modes were inductived further.The extension identification method was introduced into the quantitative recognition of ecological composite wall failure modes to determine the implementation steps of ecological composite wall failure modes in extension identification method.The actual failure modes of test wall and the calculated results were compared and analyzed.Test research and theoretical analysis show that the extension identification method can reflect the types of failure modes on composite wall under horizontal loads with strong recognition ability to provide a key component failure mode of rapid identification method for the evaluation of ecological composite wall structure design theory.
Through the analysis of four groups in 1/2scale of different types of ecological composite wall model on horizontal low cyclic loading test,the different types of ecological composite wall failure modes were summarized.The factors of the fill block materials,numbers of rib column,height to width ratio,axial compression ratio which influence the law of failure modes were analyzed in comparative.On the basis of the wall body analysis with nonlinear numerical extended,the key factors which influence the law of ecological composite wall failure modes were inductived further.The extension identification method was introduced into the quantitative recognition of ecological composite wall failure modes to determine the implementation steps of ecological composite wall failure modes in extension identification method.The actual failure modes of test wall and the calculated results were compared and analyzed.Test research and theoretical analysis show that the extension identification method can reflect the types of failure modes on composite wall under horizontal loads with strong recognition ability to provide a key component failure mode of rapid identification method for the evaluation of ecological composite wall structure design theory.
引文
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[2]姚谦峰,黄炜,田洁,等.密肋复合墙体受力机理及抗震性能试验研究[J].建筑结构学报,2004,25(6):67-73.
[3]陈国新.内填不同材料生态复合墙体基于统一强度理论的非线性损伤分析[D].西安:西安建筑科技大学土木工程学院,2010.
[4]成晓峰.基于框格变化的生态复合墙体抗震性能研究及择优评价[D].西安:西安建筑科技大学土木工程学院,2010.
[5]张会会.基于高宽比参数变化的生态复合墙体抗震性能研究[D].西安:西安建筑科技大学土木工程学院,2010.
[6]孟海,姚谦峰.密肋复合墙体弹性刚度试验及计算分析[J].建筑科学与工程学报,2006,23(3):14-20.
[7]曹万林,王敏,王绍合,等.高轴压比下钢管混凝土边框组合剪力墙抗震性能试验研究[J].地震工程与工程振动,2008,28(1):85-90.
[8]Ducman V,Mladenovic A,Suput S.Lightweight aggregate based on waste glass and its alcali-silica reactivity[J].Cement and Concrete Research,2002,14(2):116-121.
[9]席秋红.生态复合墙体破坏模式研究[D].西安:西安建筑科技大学土木工程学院,2009.
[10]郭子雄,吕林西.高轴压比框架柱恢复力模型试验研究[J].土木工程学报,2004,37(5):32-38.
[11]张卫华,赵铭军.指标无量纲化方法对综合评价结果可靠性的影响及其实证分析[J].统计与信息论坛,2005,20(3):33-36.
[12]王璐,李延伟.可拓模式识别方法研究综述[J].中原工学院学报,2011,22(5):53-56.
[13]郝航程,朱方海.基于可拓学理论的边坡潜在破坏模式识别方法[J].地下空间与工程学报,2007,3(4):698-702.
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