考虑材料劣化的RC剪力墙结构数值建模方法研究
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国家科技支撑计划(2013BAJ08B03);国家自然科学基金(50978218、51108376);教育部高等学校博士学科点专项科研基金(20136120110003);陕西省科研项目(2012K12-03-01、2011KTCQ03—05、2013JC16)


Research on numerical modeling method of RC shear wall structure based on material degradation
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    摘要:

    采用结构分析软件SAP2000中的分层壳单元模型对3个剪力墙构件试验进行数值模拟,在考虑不同龄期的影响下进行了Pushover分析,将最终所得Pushover曲线与试验数据进行对比,发现拟合度较高,进而采用同样方法对某12层剪力墙结构建立数值模型并进行非线性动力时程分析,对其层间位移角等相关性能指标进行分析,发现在不同龄期下,其性能退化表现与实际结构的宏观性能退化表现相符。结果表明:利用分层壳单元在基于劣化的情况下对RC剪力墙结构进行数值模拟的方法是可行的。

    Abstract:

    The software ,SAP2000,is used for the pushover analysis of three shear wall components which is form three finished experiments using layered shell element model based on effect of different age, and after comparing the the skeleton curves of the hysteresis curves obtained from the finished experiments with the PUSHOVER curves, We found that these two curves are similar. Then we analyzed the nonlinear dynamic time history of a 12 story shear wall structure with sap2000 in the same way above and analyzed different indicators of the structure model, figured out that the behavior of the structure model is matched with the real structure.The final conclusion is that The numerical simulation of the RC shear wall structure is feasible by using the layered shell element method based on material degradation and this method can also provide certain guidance to the practical engineering.

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李强强,郑山锁,秦卿,左河山.考虑材料劣化的RC剪力墙结构数值建模方法研究[J].土木与环境工程学报(中英文),2015,37(Z2):56-63. LI Qiangqiang, Zheng Shansuo, Qin Qin, Zuo Heshan. Research on numerical modeling method of RC shear wall structure based on material degradation[J]. JOURNAL OF CIVIL AND ENVIRONMENTAL ENGINEERING,2015,37(Z2):56-63.[doi]

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  • 收稿日期:2015-11-10
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  • 在线发布日期: 2016-03-14
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