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SPT and the compressibility of cohesionless soils
2021Besides the methods of direct settlement estimates from SPT results there are other ones which introduce the use of modulus of compressibility, estimated from SPT tests along with the applications of the theory of elasticity, as also the method suggested by Parry which has the form of an elastic equation where E is replaced by N.
A.G. Anagnostopoulos, B.P. Papadopoulos
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Soil compressibility as measured in the oedometer
Géotechnique, 1978The evaluation of oedometer tests and the calculation of settlement can be based on the linear plot of the constrined modulaus D with consolidation pressure p. This plot has a U shape and presents the following advantages: it reveals the minumum value of D and the pressure where it occurs; it shows the range of pressures where the soil is strain ...
A. C. Stamatopoulos, P. C. Kotzias
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2018
In this chapter, the probabilistic porous-solid model is used to determine the mean effective stress of soils at failure. The plots of the deviator stress against the mean effective stress show a unique failure line for a series of triaxial tests performed at different confining net stress and suctions for both wetting and drying paths. This result
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In this chapter, the probabilistic porous-solid model is used to determine the mean effective stress of soils at failure. The plots of the deviator stress against the mean effective stress show a unique failure line for a series of triaxial tests performed at different confining net stress and suctions for both wetting and drying paths. This result
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Soil Deformation Under Compressive Forces
1989Recent developments are presented with respect to: seasonal fluctuation of soil physical condition, equivalent precompaction stresses, estimation of stresses and strains, central-tire-inflation-system, capillary crumbling model, physical-chemical considerations, unstable and stable behavior, inter- vs intra-aggregate strength, flow, wet compaction ...
Kolen, A.J., Kuipers, H.
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Secondary compression of sabkha “saline” soils
Engineering Geology, 1991Abstract Sabkha soils are coastal and inland saline deposits of arid climates consisting mainly of loosely cemented sandy silt to silty clay particles. Invariably the soils contain an appreciable amount of organic material and therefore are characterized by being highly compressible.
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Compressing soil structural information
2020<p>The ability of correlation functions to describe structure (Karsanina et al., 2015; Karsanina et al., 2018) and provide means to reconstruct the structure based on correlation functions (Gerke and Karsanina, 2015; Karsanina and Gerke, 2018) alone was proposed as means to effectively compress and store structural information ...
Marina Karsanina +5 more
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Compression model for cohesionless soils
Géotechnique, 1995A simple four-parameter elasto-plastic model describes the non-linear volumetric behaviour of freshly deposited cohesionless soils in hydrostatic and one-dimensional compression. It expresses the tangent bulk modulus as a separable function of the current void ratio and mean effective stress using natural strains.
J. M. Pestana, A. J. Whittle
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Compressibility and Consolidation of Soils
2015The total compression of soil under load is composed of three components (i.e. elastic settlement, primary consolidation settlement, and secondary compression). The consolidation component is time-dependent and its analysis is usually based on Terzaghi's theory.
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Soil Compactability and Compressibility
1994Summary The strength of structured soils during loading depends on both effective stresses and neutral stresses. Thus, soil compaction affects the inter- as well as the intra-aggregate pore size distribution and results in changes of several parameters of the effective-stress equation.
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Consolidation and compressibility of soil
Chapter 5 outlines the fundamental stress-strain relationships in soils, essential for understanding deformation and settlement behaviour. It covers the consolidation test and key compressibility parameters, which help assess soil response under loading. The mechanics of primary consolidation are explained, focusing on pore water dissipation and volumeopenaire +1 more source