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Effect of density and compressibility on K 0 of cohesionless soils
Abstract This paper revisits the earth pressure coefficient at rest K 0 of granular materials, with the focus being placed on the variation of K 0 with the internal friction angle, density and compressibility of soils. Following laboratory tests that are carried out to determine K 0 of two granular materials, the experimental data are interpreted using the original hypoplasticity model for sand proposed by von Wolffersdorff [49]. K 0 is generally a function of void ratio, stress level and the critical state friction angle; it can be alternatively related to the compressibility of soil. The results show that Jáky’s equation may still be considered as a reasonable representation of K 0 for granular soils statistically, even though it may not be able to reproduce the experimental data of a specific soil.
Effect of density and compressibility on K 0 of cohesionless soils
Abstract This paper revisits the earth pressure coefficient at rest K 0 of granular materials, with the focus being placed on the variation of K 0 with the internal friction angle, density and compressibility of soils. Following laboratory tests that are carried out to determine K 0 of two granular materials, the experimental data are interpreted using the original hypoplasticity model for sand proposed by von Wolffersdorff [49]. K 0 is generally a function of void ratio, stress level and the critical state friction angle; it can be alternatively related to the compressibility of soil. The results show that Jáky’s equation may still be considered as a reasonable representation of K 0 for granular soils statistically, even though it may not be able to reproduce the experimental data of a specific soil.
Effect of density and compressibility on K 0 of cohesionless soils
Guo, Peijun (author)
Acta Geotechnica ; 5 ; 225-238
2010-08-07
14 pages
Article (Journal)
Electronic Resource
English
Coefficient of earth pressure at rest , Granular material , Hypoplasticity Engineering , Geoengineering, Foundations, Hydraulics , Continuum Mechanics and Mechanics of Materials , Geotechnical Engineering & Applied Earth Sciences , Soil Science & Conservation , Soft and Granular Matter, Complex Fluids and Microfluidics , Structural Mechanics
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