Force transmission in three-dimensional hexagonal-close-packed granular arrays submitted to a point load | Zendy

Miao Tian-de | Zendy; Yi Chen-Hong | Zendy; Yanli Qi | Zendy; Qingsong Mu | Zendy; Yuan Liu | Zendy

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Force transmission in three-dimensional hexagonal-close-packed granular arrays submitted to a point load

Author(s) -

Miao Tian-de,

Yi Chen-Hong,

Yanli Qi,

Qingsong Mu,

Yuan Liu

Publication year - 2007

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.56.4713

Subject(s) - materials science , hexagonal crystal system , transmission (telecommunications) , symmetry (geometry) , point (geometry) , layer (electronics) , condensed matter physics , mechanics , composite material , physics , geometry , crystallography , computer science , telecommunications , chemistry , mathematics

In this article, the aluminium-plastic board and carbon paper technique are combined to investigate the contact force at bottom boundary of three-dimensional ordered granular arrays in response to a point load. Arching effects were observed with all arrays, and the force distribution markedly depends on the crystal structure and has a 120°-symmetry at every layer of the crystals while the heterogeneity in force distribution in the pure hcp arrays is minimal of all the arrays. Non-main force chains were observed to have the “focalization" phenomena. These results can be explained by a force-transmission model.

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