不規則交通流が作用する道路橋の非正規過程による解析

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This paper concerns the probability distribution function to the response of highway bridges with stochastic traffic flows. Assuming randomly arriving vehicles with random weight as the compound Poisson process, the response is characterized by a filtered Poisson process. Under this assumption, cumulants for the bending moment and its derivative are derived. The probability distribution functions of the response for simple supported girder bridge are represented by the form of statistical Laguerre expantion series and Hermite expantion series using by these cumulants. Results obtained by this method are compared with numerical results which are directly obtained from the characteristic function of responses.
長崎大学工学部,Faculty of Engineering, Nagasaki Universityの論文