[KSCI] Korea Science Citation Index Service

Shear Band Formation in Granular Materials with Different Particle Shapes behind a Retaining Wall

Zhuang, Li (DAELIM Industrial Co., Ltd.)
Kim, Ukgie (Korea Institute of Construction Technology)

Publication Information

Journal of the Korean GEO-environmental Society / v.14, no.9, 2013 , pp. 39-47 More about this Journal

Abstract

Local deformations in back filling materials of two sands and one glass bead with different particle shapes behind a rigid retaining wall were studied. Two kinds of boundary conditions were compared: active wall translation and active rotation of the wall about its toe. Effect of the speed of active wall translation was also investigated. The digital image correlation method was used to analyze local deformation developments inside the materials. Test results showed that particle shape and density mainly influence the inclination angle and width of the shear band. The general shear band pattern is strongly dependent on the wall movement mode, while it was little influenced by particle shape. Within a limited range of wall speed in this study, shear band became wider and local deformation became larger with increase of wall speed.

Keywords

Retaining wall; Model test; Shear band; DIC; Particle shape; Unloading speed;

Citations & Related Records

Reference

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