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Minimum cost performance-based seismic design of reinforced concrete frames with pushover and nonlinear response-history analysis

机译：钢筋混凝土框架钢筋混凝土框架的最低成本性能 - 历史分析

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摘要

Previous studies compare results of pushover and nonlinear response-history analysis of predesigned reinforced concrete frames. The present study employs nonlinear response-history analysis and pushover analysis with the N2 method in a computational framework for the minimum cost performance-based seismic design of reinforced concrete frames according to the fib Model Code 2010 methodology and compares their obtained design solutions in terms of cost and structural performance. It is found that the minimum costs of pushover-based designs are similar to the costs from response-history analysis for regular frames but the pushover-based designs can be more expensive for irregular frames. Furthermore, the pushover-based designs are not guaranteed to satisfy performance objectives when subjected to response-history analysis even when more than one lateral load distributions are applied.
机译：以前的研究比较了预测钢筋混凝土框架的推进器和非线性反应历史分析的比较。本研究采用非线性响应历史分析和推送分析与根据FIB模型2010的FIB模型编码的钢筋混凝土帧的最小成本性能的地震设计中的计算框架中的N2方法，并将其获得的设计解决方案进行了比较成本和结构性。结果发现，基于乘机的设计的最低成本与常规帧的响应历史分析的成本类似，但是基于滑移的设计对于不规则框架来说可能更昂贵。此外，即使应用了多于一个横向载荷分布，基于推送的基于电梯的设计也不保证满足响应历史分析。

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