Abstract
We employ the aluminum-plastic board and carbon paper technique to research the contact forces at the bottom boundary of three-dimensional ordered granular arrays with point defects in response to a point load. Our results illuminate that the point defect in the main force chains affects the distribution and transmission of the force greatly while the point defect in the non-main force chains has little effect on the transmission of the force. We further explain these experimental results with a force transmission model. In addition, we find that the point defect in a main force chain not only breaks off this main force chain but also alters the magnitude and direction of other main force chains.
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We thanks for the support by the National Natural Science Foundation of China (Grant No. 10402012).
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Yi, Ch., Liu, Y., Miao, Td. et al. Force transmission in three-dimensional hexagonal-close-packed granular arrays with point defect submitted to a point load. Granular Matter 9, 195–203 (2007). https://doi.org/10.1007/s10035-006-0030-2
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DOI: https://doi.org/10.1007/s10035-006-0030-2