Force Chain Characteristics and Effects of a Dense Granular Flow System in a Third Body Interface During the Shear Dilatancy Process


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In order to investigate the characteristics of force chains in a granular flow system, a parallel plate shear cell is constructed to simulate the shear movement of an infinite parallel plate and observe variations in relevant parameters. The shear dilatancy process is divided into three stages, namely, plastic strain, macroscopic failure, and granular recombination. The stickslip phenomenon is highly connected with the evolution of force chains during the shear dilatancy process. The load–distribution rate curves and patterns of the force chains are utilized to describe the load-carrying behaviors and morphologic changes of force chains separately. Force chains, namely, “diagonal gridding,” “tadpole-shaped,” and “pinnate” are defined according to the form of the force chains in the corresponding three stages.

作者简介

S. Hou

Institute of Tribology

编辑信件的主要联系方式.
Email: houshuqing92@126.com
中国, Hefei, Anhui, 230009

W. Wang

Institute of Tribology

Email: houshuqing92@126.com
中国, Hefei, Anhui, 230009

Z. Wang

Institute of Tribology

Email: houshuqing92@126.com
中国, Hefei, Anhui, 230009

Z. Hu

Institute of Tribology

Email: houshuqing92@126.com
中国, Hefei, Anhui, 230009

K. Liu

Institute of Tribology

Email: houshuqing92@126.com
中国, Hefei, Anhui, 230009

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