The Influence of Pore Water Pressure on the Stress in a Soil Mass.
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概要
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This paper emphasizes that the influence of pore water pressure should be kaken into account when we analyze the stress in a soil mass or evaluate the stability of a slope. Although the stress in a soil mass varies with pore water pressures, most of the available FEM computer programs leave it out of consideration.We propose an improved computer program which includes the parameter of pore water pressure based on the Biot's theory. To understand the relationship between the stress and pore water pressure, we discussed two simple cases. In the first case, we concluded that the effect of pore water pressure should be taken into accout in designing a retaining wall.In the second case, we calculated the stress in a slope of a dam model, of which pore water pressures varied with water levesls of the reservoir. The results show that the factor of safety calculated tends to be smaller when the effect of pore water pressure was taken into account.
- 公益社団法人 日本地すべり学会の論文
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