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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
engineering
Laboratory study on the liquefaction resistance of sand-silt mixtures: Effect of grading characteristics
Granular Matter, Volume 13, No. 5, Year 2011
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Description
The liquefaction susceptibility of saturated medium sand-silt mixture samples is evaluated by monotonic and cyclic undrained triaxial laboratory tests that were carried out on reconstituted specimens at various relative densities (D r = 20, 53 and 91%) and a constant confining pressure (σ′ 3=100kPa). The test results were used to conclude on the effect of grading characteristics and other parameters on the liquefaction resistance of the sand-silt mixtures. The monotonic test results indicate that the undrained shear strength at the peak and the undrained residual strength can be correlated to the coefficient of uniformity (C u) and the average diameter (D 50). Indeed, they decrease linearly with the increase of the uniformity coefficient and decrease of the average diameter. It is found that a relationship between the liquefaction resistance and any of the diameters (D 10 or D 50) and the coefficient of uniformity (C u) would be more realistic than to build a relation between the coefficient of gradation (C c) and the liquefaction resistance. Undrained cyclic triaxial tests indicate that the cyclic liquefaction resistance of the sand-silt mixtures decreases linearly with the decrease of the effective diameter (D 10) and mean size (D 50) and increase of the fines content for the fines content range tested (Fc = 0-40%). © 2011 Springer-Verlag.
Authors & Co-Authors
Belkhatir, Mostefa
Algeria, Chlef
University Hassiba Benbouali - Chlef
Arab, Ahmed
Algeria, Chlef
University Hassiba Benbouali - Chlef
Schanz, Thomas
Germany, Bochum
Ruhr-universitat Bochum
Missoum, Hanifi
Algeria, Mostaganem
Université Abdelhamid Ibn Badis Mostaganem
Della, Noureddine
Algeria, Chlef
University Hassiba Benbouali - Chlef
Statistics
Citations: 88
Authors: 5
Affiliations: 3
Identifiers
Doi:
10.1007/s10035-011-0269-0
ISSN:
14345021