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2020 | OriginalPaper | Chapter

Study on Effect of Particle Shape on Interlocking

Authors : Ashwani Kumar Bindal, Arghya Das, Animesh Das

Published in: Advances in Computer Methods and Geomechanics

Publisher: Springer Singapore

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Abstract

The mechanical response of a granular system depends on various factors at macroscopic (continuum scale) and microscopic (grain scale) levels. Interlocking between the aggregates is one of the microscopic features that affect the response of granular assembly. The present study deals with the study of the effect of aggregate shape on interlocking. Aluminum rods of circular cross-section are used as the basic elements idealizing the aggregates under plane strain conditions. A biaxial compression setup is fabricated. The load is applied vertically at a constant displacement rate and the lateral displacements of the vertical walls are measured. These vertical walls are partially restrained by horizontal springs. The stiffness of the rod assembly and the translation and rotation of some selected rods are considered as the surrogate parameters indicative of the degree of interlocking. Rods with square or triangular cross-sections are used as intrusions, at various area percentages. The present study suggests that, in general, the stiffness of assembly increases, and translation and rotation decreases as more angular particles are used in the assembly. However, no appreciable difference in the response is observed between the two types of angular particles (that is, rods with triangular and square cross-sections) used in the present study.

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Metadata
Title
Study on Effect of Particle Shape on Interlocking
Authors
Ashwani Kumar Bindal
Arghya Das
Animesh Das
Copyright Year
2020
Publisher
Springer Singapore
DOI
https://doi.org/10.1007/978-981-15-0890-5_38