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R/C frame-infill interaction model and its application to Indonesian buildings

机译：钢筋混凝土框架-填充物相互作用模型及其在印尼建筑中的应用

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This paper proposes a new analytical model for masonry-infilled R/C frames to evaluate the seismic performance considering R/C frame-infill interactions. The proposed analytical model replaces masonry infill with a diagonal compression strut, which represents distributed compression transferred between frame and infill interfaces. The equivalent strut width is presented as a function of the frame-infill contact length, which can be evaluated by static equilibriums related to compression balance and lateral displacement compatibility at the frame-infill interfaces. The proposed analytical model was verified through comparisons with experimental results obtained for several brick masonry-infilled R/C frames representing a typical R/C building with nonstructural masonry infill in Indonesia. As a result, good agreements were observed between the experimental and analytical values of the lateral strength and ductility of the infilled frames. The seismic performances of two earthquake-damaged R/C buildings with different damage conditions were evaluated considering infill effects by applying the proposed analytical model. Consequently, the nonstructural brick masonry infill significantly affected the seismic resistances of the buildings, which seemed to lead to differing levels of damage for each building. These results indicate that the proposed analytical model can be an effective tool for more precisely screening earthquake-vulnerable existing R/C buildings in Indonesia. Copyright (c) 2016 The Authors. Earthquake Engineering & Structural Dynamics Published by John Wiley & Sons Ltd.
机译：本文提出了一种砌体填充R / C框架的新分析模型，以考虑R / C框架与填充物之间的相互作用来评估抗震性能。所提出的分析模型用对角压缩支柱代替了砖石填充物，该对角压缩支柱表示框架和填充物界面之间传递的分布式压缩。等效支杆宽度表示为框架填充物接触长度的函数，可以通过与框架填充物界面处的压缩平衡和横向位移相容性相关的静态平衡来评估。通过与填充砖石砌筑的R / C框架所获得的实验结果进行比较，对所提出的分析模型进行了验证，这些砖砌砌筑的R / C框架代表了印度尼西亚非结构砌筑物的典型R / C建筑物。结果，在填充框架的侧向强度和延展性的实验值和分析值之间观察到良好的一致性。应用所提出的分析模型，考虑了填充效应，对两座不同破坏条件的R / C建筑物的地震性能进行了评估。因此，非结构砖砌体填充物显着影响了建筑物的抗震性能，这似乎导致每座建筑物的破坏程度不同。这些结果表明，所提出的分析模型可以成为更准确地筛选印度尼西亚现有地震易受伤害的R / C建筑物的有效工具。版权所有（c）2016 The Authors。地震工程与结构动力学，约翰·威利父子有限公司出版

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