A DAMAGE MODEL FOR SOIL-CEMENT MIXTURE

概要

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In the frame of the continuous damage theory, a damage model for soil-cement mixture is proposed using the unified form with one set of parameters, based on experimental observations. The suggested model can reflect its main mechanical properties : as the confining pressure increases, the strength and strain at peak stress increase remarkably and the stress-strain relations change from strain-softening to strain-hardening while the volumetric strain changes from dilatation to contraction. All the parameters can be calibrated by a group of conventional triaxial tests. Hollow cylinder tests with complicated stress states were conducted to verify the damage model. The results predicted by the damage model agree well with the tests, which implies that the damage model can be applied to complicated stress states.
社団法人地盤工学会の論文
1998-09-15