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

被引：9

作者：

Andrianatrehina, Ndriamihaja Livah ^{[1
]}

Souli, Hanene ^{[1
]}

Rech, Joel ^{[1
]}

Fry, Jean-Jacques ^{[2
]}

Fleureau, Jean-Marie ^{[3
]}

Taibi, Said ^{[4
]}

机构：

[1] Univ Lyon, Ecole Natl Ingenieurs St Etienne ENI St Etienne, Lab Tribol & Dynam Syst, CNRS UMR 5513, 58 Rue Jean Parot, F-42023 St Etienne, France

[2] Elect France, Ctr Ingn Hydraul, F-73073 Le Bourget Du Lac, France

[3] Ecole Cent Paris, CNRS UMR 8579, Lab Mecan Sols Struct & Mat, Grande Voie Vignes, F-92295 Chatenay Malabry, France

[4] Univ Havre, Lab Ondes & Milieux Complexes, CNRS UMR 6294, Rue Philippe Lebon, F-76600 Le Havre, France

来源：

COMPTES RENDUS MECANIQUE | 2016年 / 344卷 / 08期

关键词：

Undrained triaxial tests; Granular materials; Fine content; Internal friction angles; INTERNAL EROSION; UNDRAINED BEHAVIOR; GRANULAR-MATERIALS; NONPLASTIC FINES; SHEAR-STRENGTH; STABILITY; SUFFUSION; FILTERS;

D O I：

10.1016/j.crme.2016.03.001

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

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. (C) 2016 Academie des sciences. Published by Elsevier Masson SAS.

引用

页码：539 / 546

页数：8

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