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島根大学農学部研究報告 21 巻
1987-12-21 発行
コンクリートに対する増分型Endochronic理論の材料パラメータについて
On Material Parameters in the Incremental Version of Endochronic Theory for Concrete
藤居 良夫
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内容記述
The incremental version of Endochronic theory proposed by Bazant is a unified and comprehensive material model for concrete. This theory offers a possibility to accurately describe the behaviour of concrete under multiaxial stresses in a wide range of loading conditions without recourse to the concept of yield surface and the specification of unloading-reloading criteria.
However, this theory generally involves many functions and material parameters which are obtained by a rather complicated procedure. In the present paper, the effect of the change of material parameters on the stress-strain relationship is investigated. It is shown that sixteen out of forty-four parameters in the modified incremental version of Endochronic theory have much influence on the shape of the stress-strain curve.
However, this theory generally involves many functions and material parameters which are obtained by a rather complicated procedure. In the present paper, the effect of the change of material parameters on the stress-strain relationship is investigated. It is shown that sixteen out of forty-four parameters in the modified incremental version of Endochronic theory have much influence on the shape of the stress-strain curve.
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