「破断履歴の相似則」の検証

概要

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A hypothesis named 'similitude law of pre-fracture hystereses' has been applied to estimation of deformation capacity prior to brittle fracture of any type of steel connections from a single curve which describes the relationships between amplitude and accumulation of plastic deformation. However, this method of capacity estimation is open to criticism, because the basic curve was derived only from a limited set of test data, in other words, the similitude law has not yet been proved. This paper is devoted to verifying the law by means of four independent series of experimental data. It is found that the relationships between amplitude and accumulation of plastic deformation governed by ductile as well as brittle fracture can be represented by a single curve with a satisfactory degree of reliability.
社団法人日本建築学会の論文
2001-10-30