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We study structures which can bear loads, "bridges", in particulate packings. To investigate the relationship between bridges and gravity, we experimentally determine bridge statistics in colloidal packings. We vary the effective magnitude and direction of gravity, volume fraction, and interactions, and find that the bridge size distributions depend only on the mean number of neighbors. We identify a universal distribution, in agreement with simulation results for granulars, suggesting that applied loads merely exploit preexisting bridges, which are inherent in dense packings.
- hard sphere
- comptuer simulation
- crystal nucleation
Haw, M. D., 1 Jan 2015, In: Powder Technology. 270, Part B, p. 412-417 6 p.
Research output: Contribution to journal › Article › peer-reviewOpen AccessFile7 Citations (Scopus)43 Downloads (Pure)