Influence of the percentage of sand on the behavior of gap-graded cohesionless soils | Zendy

Ndriamihaja Livah Andrianatrehina | Zendy; Hanène Souli | Zendy; J. Rech | Zendy; JeanJacques Fry | Zendy; Jean-Marie Fleureau | Zendy; Saïd Taibi | Zendy

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Influence of the percentage of sand on the behavior of gap-graded cohesionless soils

Author(s) -

Ndriamihaja Livah Andrianatrehina,

Hanène Souli,

J. Rech,

JeanJacques Fry,

Jean-Marie Fleureau,

Saïd Taibi

Publication year - 2016

Publication title -

comptes rendus mécanique

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.454

H-Index - 53

ISSN - 1873-7234

DOI - 10.1016/j.crme.2016.03.001

Subject(s) - geotechnical engineering , soil water , internal friction , friction angle , phase (matter) , materials science , sample (material) , geology , composite material , soil science , chemistry , chromatography , organic chemistry

In this work, the effect of the fine content on the undrained mechanical behavior of a granular material is studied. Consolidated undrained triaxial tests were carried out on sand and gravel mixtures. The intact sample contains 30% of sand. In order to simulate suffusion in the sample, degradation consisted in reducing the fines amount to 20, 10 and 5%.The undrained peak strength and the dilative phase amplitude decrease when the fine content decreases, with the highest values for the intact sample and the lowest values for the sample with 5% fines. On the other hand, the contractive phase progressively increases with the fine content. The degraded samples present a higher internal friction angles than the intact one

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