基于拟力法的剪力墙结构力学模型研究初探

发布时间：2017-12-27 22:02

本文关键词：基于拟力法的剪力墙结构力学模型研究初探　出处：《世界地震工程》2015年04期 　论文类型：期刊论文

【摘要】：剪力墙局部变形机制与整体变形之间的关系是建立基于拟力法的剪力墙结构理论模型的关键环节之一。拟力法以位移变化替代以往通过刚度变化求解非线性的思想,减少了刚度的存储空间,提高了求解效率和稳定性,为结构的非线性动力反应分析提供了理想的途径。首先简要介绍了拟力法的基本理论,论述了建立基于拟力法的剪力墙结构力学模型的核心思想;其次,系统总结了剪力墙分析的两大类方法、剪力墙的破坏形态、破坏机理及其骨架曲线确定方法的研究现状;最后,对基于拟力法的剪力墙结构力学模型的研究提出了建议及展望,这是对剪力墙分析的新的探索,也是对拟力法理论体系的补充和完善。
[Abstract]:The relationship between the local deformation mechanism and the whole deformation of the shear wall is one of the key links in the establishment of a theoretical model of shear wall structure based on the pseudo force method. The pseudo force method takes displacement instead of the idea of solving nonlinearity by stiffness variation. It reduces the storage space of stiffness, improves the efficiency and stability, and provides an ideal way for nonlinear dynamic response analysis of structures. Firstly, this paper briefly introduces the basic theory of force analogy method, and discusses how to set up the core idea of shear wall structure mechanical model based on the pseudo force method; secondly, summarizes the two kinds of methods, the analysis of shear wall shear wall failure mode, failure mechanism and skeleton curve determine method to study the status quo; finally, the study of shear the wall structure mechanical model of force analogy method based on suggestions and prospects are put forward, which is a new exploration and analysis of the shear wall, but also a supplement to the theoretical system of force analogy method and improvement.
【作者单位】：大连理工大学建设工程学部土木学院工程力学研究所;大连理工大学工业装备结构分析国家重点实验室;
【基金】：国家自然科学基金资助(项目编号:51108064) 工业装备结构分析国家重点实验室开放基金项目资助(项目编号:GZ1211) 中央高校基本科研业务费专项资金资助(项目编号:DUT13LK26)
【分类号】：TU398.2
【正文快照】： 引言作为结构抗震的第一道防线,钢筋混凝土剪力墙以其良好的抗侧移能力在结构中发挥着重要作用。针对工程具体问题研究适合的剪力墙分析模型和建模方法极为必要。最早由Lin等人于1968年提出的拟力法,是一种变位移的非线性分析方法。与传统的变刚度法相比,拟力法计算量小(占用

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