Application of Probabilistic Methods in Construction Industry

by Kiyoshi Ishii, Ohsaki Research Inst, Japan,
Makoto Suzuki, Ohsaki Research Inst, Japan,
Fumio Yamazaki, Ohsaki Research Inst, Japan,

Document Type: Proceeding Paper

Part of: Structural Safety and Reliability


Recent attempts for theoretical development and engineering application of probabilistic methods, which have been carried out in a Japanese engineering and construction company, are summarized. The first part of the paper describes analytical and numerical tools developed for evaluating structural safety and reliability, especially related to stochastic field theory and stochastic finite element analysis. In the second part, numerical results are demonstrated as practical applications of such probabilistic methods. The examples cover the reliability analyses of various types of structures, the optimum design, and the trade-off between cost and safety. Although these attempts are still preliminary, they will play an important role to rationalize the structural design procedures and the decision making in construction near future.

Subject Headings: Construction methods | Structural analysis | Structural reliability | Probability | Construction industry | Structural safety | Finite element method | Engineering firms

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