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首页> 外文期刊>Journal of structural engineering >Seismic Response Analysis of a Reinforced Concrete Block Shear Wall Asymmetric Building
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Seismic Response Analysis of a Reinforced Concrete Block Shear Wall Asymmetric Building

机译:钢筋混凝土砌块剪力墙不对称建筑物的地震反应分析

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This paper presents detailed analyses of experimental results pertaining to the cyclic behavior of a reduced-scale reinforced masonry (RM) asymmetric building with walls aligned in two orthogonal directions. The current study focuses on analyzing the influence of twist, as a system-level effect, on the displacement and strength demands of the building's individual seismic force resisting system (SFRS) wall components. The study evaluates the individual wall contributions to the overall building response characteristics within both the elastic and the inelastic response phases. Documentation of the compressive strains at the wall toes is also presented and correlated to the damage levels anticipated for each wall. In addition, the building center of rotation and center of strength are determined and the corresponding twist angles and moments and building torsional stiffness values are evaluated throughout the loading history. Moreover, the trends of stiffness degradation for the walls and for the building are presented, and the relationship between the individual walls' and building's stiffness is discussed. Finally, the trends of energy dissipation increase with increased building displacement ductility are established for different system-level ductility levels. The information presented in this paper is expected to provide useful benchmarking data that can contribute to the understanding of RM system-level response and how it compares to the behavior of individual RM SFRS components.
机译:本文介绍了有关缩减规模的钢筋砌体(RM)不对称建筑物(其墙沿两个正交方向对齐)的循环行为的实验结果的详细分析。当前的研究重点在于分析扭曲的影响,作为系统级的影响,对建筑物的各个抗震力系统(SFRS)墙构件的位移和强度要求。该研究评估了弹性和非弹性响应阶段中单个墙体对整体建筑物响应特性的贡献。还介绍了墙脚趾处的压缩应变的文档,并将其与每个墙面预期的损坏程度相关联。此外,确定建筑物的旋转中心和强度中心,并在整个加载历史中评估相应的扭转角和弯矩以及建筑物的扭转刚度值。此外,还提出了墙体和建筑物刚度下降的趋势,并讨论了各个墙体和建筑物刚度之间的关系。最后,针对不同的系统级延性水平,建立了随着建筑物位移延性的增加而增加的能量耗散趋势。预期本文中提供的信息将提供有用的基准数据,有助于理解RM系统级响应以及如何将其与单个RM SFRS组件的行为进行比较。

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