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首页> 外文期刊>Bulletin of earthquake engineering >Assessment of the seismic performance of low-rise RC structures by procedures with different levels of complexity
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Assessment of the seismic performance of low-rise RC structures by procedures with different levels of complexity

机译：通过不同复杂程度的程序评估低层RC结构的抗震性能

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摘要

In the paper, five procedures for the assessment of the seismic performance of low-rise RC buildings at different levels of complexity are presented and discussed. They include simple procedures based on methods originally developed in Japan (levels 1 and 2), the N2 method with two variants of the mathematical model (levels 3 and 4), and non-linear dynamic analysis (level 5). The procedures have been applied to seismic assessments of three RC building structures. A small difference between the N2 and NDA results was observed, whereas the results of the procedures at the first two levels are much more conservative. On the other hand, the amount of input data and of computational work increases with the increasing complexity level. Research is still needed on the definitions of capacities, especially the shear capacity of the structural members, and on the capacity of the whole structure. The initial effective stiffness of the structure proved to be the most important quantity which determines the seismic demand.
机译：本文提出并讨论了五种评估低层钢筋混凝土建筑在不同复杂程度下的抗震性能的程序。它们包括基于日本最初开发的方法（级别1和2），具有数学模型的两个变体的级别2（级别3和4）以及非线性动态分析（级别5）的简单过程。该程序已应用于三个钢筋混凝土建筑结构的地震评估。观察到N2和NDA结果之间的微小差异，而前两个级别的操作结果更为保守。另一方面，输入数据和计算工作量随着复杂度的增加而增加。仍需要对承载力的定义进行研究，尤其是结构构件的剪切承载力，以及整个结构的承载力。事实证明，结构的初始有效刚度是决定地震需求的最重要量。

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