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contributor authorKhalid A. Alshibli
contributor authorStein Sture
date accessioned2017-05-08T21:27:00Z
date available2017-05-08T21:27:00Z
date copyrightJune 2000
date issued2000
identifier other%28asce%291090-0241%282000%29126%3A6%28495%29.pdf
identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/51899
description abstractA series of biaxial (plane strain) experiments were conducted on three sands under low (15 kPa) and high (100 kPa) confining pressure conditions to investigate the effects of specimen density, confining pressure, and sand grain size and shape on the constitutive and stability behavior of granular materials. The three sands used in the experiments were fine-, medium-, and coarse-grained uniform silica sands with rounded, subangular, and angular grains, respectively. Specimen deformation was readily monitored and analyzed with the help of a grid pattern imprinted on the latex membrane. The overall stress-strain behavior is strongly dependent on the specimen density, confining pressure, sand grain texture, and the resulting failure mode(s). That became evident in different degrees of softening responses at various axial strains. The relationship between the constitutive behavior and the specimens' modes of instability is presented. The failure in all specimens was characterized by two distinct and opposite shear bands. It was found that the measured dilatancy angles increase as the sand grains' angularities and sizes increase. The measured shear band inclination angles are also presented and compared with classical Coulomb and Roscoe solutions.
publisherAmerican Society of Civil Engineers
titleShear Band Formation in Plane Strain Experiments of Sand
typeJournal Paper
journal volume126
journal issue6
journal titleJournal of Geotechnical and Geoenvironmental Engineering
identifier doi10.1061/(ASCE)1090-0241(2000)126:6(495)
treeJournal of Geotechnical and Geoenvironmental Engineering:;2000:;Volume ( 126 ):;issue: 006
contenttypeFulltext


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