Results 121 to 130 of about 306 (177)

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open access: yesJAMA Health Forum
Meiselbach MK   +3 more
europepmc   +1 more source

Preconsolidation pressure of desiccated soils

International Journal of Geotechnical Engineering, 2008
Abstract During desiccation soils are subjected to very high shrinkage stresses, often of the order of 1000 kPa. However, studies on re-saturated desiccated soils do not always show evidence of these soils being subjected to very high stresses. This paper address this important issue and the reason can be attributed to the type of saturation, either by
Retnamony Robinson, Mehter Allam
exaly   +2 more sources

Evaluation of preconsolidation stress by shear wave velocity

Smart Structures and Systems, 2011
The behaviors of saturated soils such as compressibility and permeability are distinguished by preconsolidation stress. Preconsolidation stress becomes an important design parameter in geotechnical structures. The goal of this study is to introduce a new method for the evaluation of preconsolidation stress based on the shear wave velocity at small ...
Jong-Sub Lee   +2 more
exaly   +2 more sources

Temperature Effect on Preconsolidation Pressure

Geotechnical Testing Journal, 1989
Abstract A change in temperature is known to affect the deformation properties of a clay specimen. In order to study the effect quantitative y and its dependence on clay type a number of oedometer tests were carried out. Conventional incremental oedometer tests as well as constant-rate-of-strain tests were used. Test results clearly show
M Tidfors, G Sällfors
openaire   +1 more source

A Note on Determination of the Preconsolidation Pressure

Journal of Testing and Evaluation, 2018
Abstract The preconsolidation pressure, σ′y, is commonly interpreted by means of empirical observations (or graphical constructions) with respect to e–logσ′ stress patterns (e = void ratio, and σ′ = effective stress) exhibited in the conventional oedometer test.
Amin Soltani   +3 more
openaire   +2 more sources

Effect of Preconsolidation of Settlements

Journal of the Soil Mechanics and Foundations Division, 1964
By a theoretical investigation and by settlement analysis and observations on a large oil tank, it is shown that the ratio between the settlements along the periphery and in the center of a uniformly loaded area can vary within a wide range, depending on the degree of preconsolidation of the subsoil.
openaire   +1 more source

Prediction of the Preconsolidation Pressure and Recompression Index of Soils

Geotechnical Testing Journal, 1985
Abstract Based on the generalized compressibility equation a procedure is given to estimate the preconsolidation pressure and the recompression index of stress and time dependent overconsolidated soils. This is based on knowledge of (1) the in-situ void ratio, (2) the liquid limit of the soil, (3) the in-situ overburden pressure, and (4)
TS Nagaraj, BR Srinivasa Murthy
openaire   +1 more source

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