立坑底部周辺の応力, 変位状態について (第2報)
非線形解析
1970 年 86 巻 981 号 p. 1-7
詳細
1970 年 86 巻 981 号 p. 1-7
This paper describes a study on the states of stress and deformation around the bottom of a circular vertical shaft by means of analysis of finite element method.
The problem is solved by the application of non-linear stress analysis considering the ground as the media under conditions of plane strain and axisymmetric strain.
In this analysis, the authors assume that the ground has a non-linear stress-strain relationship which is derived by using Mohr's yield criterion modified by Griffith's theory of fracture.
From the calculating results, the extents of loose range in the ground around the shaft are, moreover, investigated for two kinds of strength of the material of ground.
