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首页> 外文期刊>Bulletin of earthquake engineering >A novel macromodel for prediction of shear failure in columns of masonry infilled RC frames under earthquake loading
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A novel macromodel for prediction of shear failure in columns of masonry infilled RC frames under earthquake loading

机译：一种新型Macromodel，用于预测地震载荷下砌筑缺陷RC框架柱剪切失效

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摘要

Columns of masonry infilled reinforced concrete frames are prone to shear failure due to the detrimental effect of infill under lateral earthquake loads. This effect is catastrophic in ground storey columns, where the shear force demand is very high. The primary objective of the study is to understand the applicability of the codal recommendations to estimate the shear demand on the columns realistically, and propose an alternative solution for prediction of shear failure of columns by improving the existing macro-modelling techniques. Half-scaled specimens of masonry infilled RC frames tested in an experimental study were considered to evaluate the proposed improvements. Applicability of the improved macromodel was also verified with the results obtained in other past experimental studies. The proposed simplified analytical modelling technique can be used for practical engineering purposes to assess the shear failure of columns and can be utilized for designing or strengthening the shear deficient columns in such frames.
机译：由于潜水下的潜水荷载下的有害效果，砌体净化的钢筋混凝土框架易于剪切故障。这种效果在地面楼柱中是灾难性的，其中剪切力需求非常高。该研究的主要目的是了解Codal建议的适用性，以实际地估计柱子上的剪切需求，并提出通过改善现有的宏观建模技术来预测列的剪切失效的替代解决方案。考虑在实验研究中测试的半缩放的砌体缺陷RC帧被认为评估提出的改进。还通过在其他过去的实验研究中获得的结果来验证改进的Macromodel的适用性。所提出的简化的分析建模技术可用于实际工程目的以评估柱的剪切失效，并且可用于设计或强化这种框架中的剪切缺陷柱。

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