鉄筋コンクリート骨組の最適設計に関する研究 : その2 最適化計算における初期設計解の推定

概要

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When the mathematical non-linear programming technique is applied to the optimal design of multi-story reinforced concrete frames, the structural analysis must be repeated many times. Consequently, the computational time to obtain the optimum design is increased. It is proposed herein to overcome this difficulty by predicting the initial design values that are nearly equal to the optimum design values. The process to obtain the initial design values is composed of the theorical and numerical procedure. In the theorical procedure, the reinforced concrete frame is partitioned into the story-subframe and the assemblized story-subframes. The preliminary design values in the theorical procedure are obtained by solving the minimum weight design problem with the relative story displacement constraints. The initial design values are obtained by modifying those preliminary design values in an iterative sequential process in which the numerical procedure is applied. The minimum weight design of three types of reinforced concrete frames that are subjected to static loads are carried out by the proposed method, and the results are discussed.
社団法人日本建築学会の論文
1985-04-30