鉄筋コンクリート単純ばりの曲げ強度に関する確率論的研究

Abstract

This study, in the Experiment I and II, examined variability of strength of materials such as reinforcing bars and concrete composing reinforced concrete beams, and offered data to simulate occurrence of the probability distribution of materials used. In the Experiment III, fourty-eight reinforced concrete beams were fabricated, and the probability distridution of variations in steel placement, variability of the size of cross area were examined and variability of ultimate flexural strength of reinforced concrete simple beams were tested, Supposing the probability distribution of materials used and dimension variations obtained by the Experiment I, II and III as Normal distribution, the computer simulation was done by the Monte Carlo Method, and the result were compared with ones of ultimate flexural strength of reinforced concrete simple beams obtained by the Experiment III. By these comparative studies, possibility to presume the probability distribution of flexural strength of reinforeced concrete beams were examined.