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Spreading of rock avalanche debris by mechanical fluidization
Summary Spreading of Rock Avalanche Debris by Mechanical Fluidization Two hypotheses for the motion of large rock avalanches (sturzstroms) are examined: (a) that sturzstrom deposits result from the spreading of a mass of debris in a fluidised state under the influence of gravity, and (b) that the debris becomes fluidised because of the existence of a high shear rate in the basal region. The first hypothesis is supported by data describing the length of sturzstrom deposits, and the second is shown to be in agreement with simple laboratory tests, with the grain-flow theory of Bagnold and with the characteristic features of sturzstrom deposits.
Spreading of rock avalanche debris by mechanical fluidization
Summary Spreading of Rock Avalanche Debris by Mechanical Fluidization Two hypotheses for the motion of large rock avalanches (sturzstroms) are examined: (a) that sturzstrom deposits result from the spreading of a mass of debris in a fluidised state under the influence of gravity, and (b) that the debris becomes fluidised because of the existence of a high shear rate in the basal region. The first hypothesis is supported by data describing the length of sturzstrom deposits, and the second is shown to be in agreement with simple laboratory tests, with the grain-flow theory of Bagnold and with the characteristic features of sturzstrom deposits.
Spreading of rock avalanche debris by mechanical fluidization
Davies, Timothy R. H. (author)
Rock mechanics ; 15 ; 9-24
1982-06-01
16 pages
Article (Journal)
Electronic Resource
English
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