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 论 文 题 目 期刊/会议名称 下载 A shear wall element for nonlinear seismic analysis of super-tall buildings using OpenSees Finite Elements in Analysis & Design, 2015 基于分层壳单元的RC核心筒结构有限元分析和工程应用 土木工程学报, 2009 点击下载 混凝土结构抗震非线性分析模型、方法及算例 工程力学, 2006 点击下载 某钢框架偏心核心筒弹塑性分析 四川建筑科学研究, 2008 点击下载 高强配筋框－剪结构的抗震分析 防灾减灾工程学报, 2007 点击下载 Nonlinear FE model for RC shear walls based on multi-layer shell element and microplane constitutive model Proc. Computational Methods in Engineering And Science (EPMESC X),2006 点击下载 静力和动力荷载作用下钢筋混凝土框－剪结构剪力分配的研究 第一届全国城市与工程安全减灾研究与进展研讨会论文集, 2006 点击下载 分层壳模型在剪力墙结构计算中的应用 防护工程, 2006 点击下载

Abstract: Nonlinear simulations for structures under disasters have been widely focused on in recent years. However, precise modeling for the nonlinear behavior of reinforced concrete (RC) shear walls, which are the major lateral-force-resistant structural member in high-rise buildings, still has not been successfully solved. In this paper, based on the principles of composite material mechanics, a multi-layer shell element model is proposed to simulate the coupled in-plane/out-plane bending and the coupled in-plane bending-shear nonlinear behaviors of RC shear wall. The multi-layer shell element is made up of many layers with different thickness. And different material models (concrete or rebar) are assigned to various layers so that the structural performance of the shear wall can be directly connected with the material constitutive law. And besides the traditional elasto-plastic-fracture constitutive model for concrete, which is efficient but does not give satisfying performance for concrete under complicated stress condition, a novel concrete constitutive model, referred as microplane model, which is originally proposed by Bazant et al., is developed to provide a better simulation for concrete in shear wall under complicated stress conditions and stress histories. Three walls under static push-over load and cyclic load were analyzed with the proposed shear wall model for demonstration. The simulation results show that the multi-layer shell elements can correctly simulate the coupled in-plane/out-plane bending failure for tall walls and the coupled in-plane bending-shear failure for short walls. And with microplane concrete constitutive law, the cycle behavior and the damage accumulation of shear wall can be precisely modeled, which is very important for the performance-based design of structures under disaster loads.
Keywords: shear wall, nonlinear analysis, microplane, finite element, multi-layer shell element

 林旭川, 陆新征, 缪志伟, 叶列平, 郁银泉, 申林, 基于分层壳单元的RC核心筒结构有限元分析和工程应用, 土木工程学报, 2009, 42(3): 51-56. 叶列平, 陆新征, 马千里, 汪训流, 缪志伟, 混凝土结构抗震非线性分析模型、方法及算例, 工程力学, 2006, 23(sup. II): 131-140. 缪志伟, 陆新征, 王载, 黄盛楠, 叶列平, 某钢框架偏心核心筒弹塑性分析, 四川建筑科学研究, 2008, 34(3): 5-10. 姚震宇, 陆新征, 叶列平, 缪志伟, 高强配筋框-剪结构的抗震分析, 防灾减灾工程学报, 2007, 27(Sup.): 133-137. Miao ZW, Lu XZ, Jiang JJ, Ye LP, Nonlinear FE model for RC shear walls based on multi-layer shell element and microplane constitutive model, Proc. Computational Methods in Engineering And Science (EPMESC X), Tsinghua University Press & Springer-Verlag, Aug. 2006, Sanya, Hainan,China, 2006, CDROM. 姚震宇, 缪志伟, 陆新征, 叶列平, 静力和动力荷载作用下钢筋混凝土框－剪结构剪力分配的研究, 第一届全国城市与工程安全减灾研究与进展研讨会论文集, 唐山, 2006: 306-312. 门俊, 陆新征, 宋二祥, 陈肇元, 分层壳模型在剪力墙结构计算中的应用, 防护工程, 28(3), 2006, 9-13.
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