シミュレーションに基づく荷重組合わせ係数の評価

概要

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It is widely recognized that probabilistic method is, at present, the best approach for structural reliability analysis, and its application to design codes has been discussed in various research committees. However there are some important problems left to be considered with respect to it. One of them is the problem how to evaluate the design value of combined loads probabilistically. Though some stochastic load combination models have been put forward, they are yet incomplete and the application of computer-simulation technique is considered to be the best way to do such evaluation now. Thus, in this paper, load combination factors for the combination of two different loadtypes are obtained by computer-simulation based on the assumption that load combination factors and design values of each load are the same as the load combination in the design codes proposed by Japan Society of Civil Engineers. In this computer-simulation, only the four factors-load-intensity variation, duration of load effect, load occurrence rate, and intensity ratio of each load-are considered. In addition, the problem of how to express the combined loads in design code is also discussed.
山梨大学の論文