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Title: 硬化セメントペーストの圧縮強度評価に対する非線形ボクセル有限要素解法とその適用可能性
Other Titles: Nonlinear Voxel Finite Element Procedure for Compressive Strength Evaluation of Hardened Cement Paste and Its Applicability
Authors: 永井, 学志1 Browse this author
池田, 翔太2 Browse this author
胡桃澤, 清文3 Browse this author →KAKEN DB
Authors(alt): Nagai, Gakuji1
Ikeda, Shota2
Kurumisawa, Kiyofumi3
Keywords: Two-scale analysis
3D digital image
Periodic boundary
Nonlocal isotropic damage
Issue Date: 2010
Publisher: 日本計算工学会
Journal Title: 日本計算工学会論文集
Journal Title(alt): Transactions of the Japan Society for Computational Engineering and Science
Volume: 2010
Start Page: 20100012
Abstract: To predict the macroscopic compressive strengths of hardened cement paste, a digital-image-based finite element procedure for damage evolution due to local tension is developed and its applicability from practical viewpoint is studied through numerical experiments. In the procedure, microscopic three-dimensional geometries of hardened cement paste are assumed to be periodic and each phase is randomly generated by using auto-correlation function evaluated from a two-dimensional SEM image of specimen. Nonlocal isotropic damage model is employed to represented crack evolutions in the geometries. Predicted macroscopic uni-axial compressive strengths are qualitatively consistent with experimental results in terms of water-cement ratio and material age.
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 胡桃澤 清文

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