Browsing by Author "Mirata, T"

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    Strength of sands in wedge shear, triaxial shear, and shear box tests
    Mirata, T; Erzin, Y
    Limited tests had indicated peak drained values of angle of internal friction (of gravelly sands measured in the cylindrical wedge shear test (cylwest) to be relatively closer to the (expected from plane strain tests than from triaxial tests. Such a difference was not obtained between the results of the prismatic wedge shear test (priswest) and the triaxial test on gravels and crushed rock. In this study, six sands with <3.35 mm particles were tested. It was seen that the main reason for the difference between the phi values from cylwests and priswests was the difference in the angle delta between the shear plane and the bedding planes. Cylwests, in which delta was nearly the same as in triaxial tests, gave results close to those expected from plane strain tests, and almost identical results to those obtained from shear box tests on specimens so prepared as to make delta the same.