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Title: Three-dimensional yield criterion of c-ϕ material
Authors: Takagi, Shunsuke, 1919-
Keywords: Soils
Soil mechanics
Ideal soil
c-ϕ material
Yield criterion
Soil deformation
Soil plasticity
Mathematical analysis
Mathematical models
Publisher: Cold Regions Research and Engineering Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: Research report (Cold Regions Research and Engineering Laboratory (U.S.)) ; 179.
Description: Research Report
Summary: A general three-dimensional yield criterion of an ideal soil, called c-ϕ material, is determined that can coincide with the shield yield criterion arid the Drucker-Prager yield criterion by giving appropriate values to the parameters contained. When expressed on an octahedral plane in the principal-stress space, the yield criterion is represented by a hexagon of curved sides formed of conic sections. The geometric relationships satisfied by a family of curved hexagons are investigated.
Rights: Approved for public release; distribution is unlimited.
Appears in Collections:Research Report

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