首页> 外文会议>The 7th China-Japan-Korea joint symposium on optimization of structural and mechanical systems >SEISMIC RESPONSE ANALYSES OF MINIMUM COST AND MINIMUM WEIGHT STEEL FRAMES
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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响应分析

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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的钢框架之间比较了最佳解决方案和地震响应。遗传算法(GA)提出并解决了根据日本地震法规在结构约束下使结构重量最小的最小重量问题和使钢材成本和制造成本之和最小的最小成本问题。在数值示例中,最小重量的内梁和外梁框架的深度不相同,而最小成本框架的深度相同。根据时间历史分析,最小成本框架的地震响应略大于最小权重框架。

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