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SEISMIC RESPONSE ANALYSES OF MINIMUM COST AND MINIMUM WEIGHT STEEL FRAMES

机译:最小成本和最小重量钢框架的地震反应分析

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摘要

Optimum solutions and seismic responses are compared between minimum weight and minimum cost steel frames. The minimum weight problem to minimize structural weight under constraints based on Japanese seismic code and the minimum cost problem to minimize sum of steel material cost and fabrication cost are formulated and solved by GA.In numerical examples, inner beams and outer beams of the minimum weight frame are not same in depth, while of the minimum cost frame are same in depth.According to time history analyses, seismic responses of the minimum cost frames are slightly larger than those of the minimum weight frames.
机译:在最小重量和最小成本钢框架之间比较最佳解决方案和地震响应。最小重量问题,以最小化基于日本地震代码的约束和最小成本问题,以最小化钢材成本和制造成本的最小成本问题,由Ga.in数值,内束和最小重量的外梁制定帧的深度不相同,而最小成本帧的深度相同。根据时间历史分析,最小成本帧的地震响应略大于最小权重帧的震动。

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