초록

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Abstract ▼ AI-Helper

In this study, a reinforced clay model based on the limit equilibrium of forces under direct shear was proposed to predict shear strength increase in clays induced by the steel inclusion. The model accounted for the effects of orientation of inclusion, length, bonding stress between clay and indc...

In this study, a reinforced clay model based on the limit equilibrium of forces under direct shear was proposed to predict shear strength increase in clays induced by the steel inclusion. The model accounted for the effects of orientation of inclusion, length, bonding stress between clay and indclusion and passive soil resistance 1 induced by the inclusion movement, on the behavior of reinforced clays. In order to compare with the theoretical predictions, direct shear tests were performed using a direct shear apparatus formed of an open shear box. Also pull-out tests were conducted to determine the bonding stress between the inclusion and clay. From the experimental results, the increase or decrease in shear strength of reinforced clay samples was found to depend on the orientation of inclusionas well as water content of clay samples. From the comparison of theoretical predictions and experimental results, it was found that the theore tical model predicted reasonably well the influence of orientation of the inclusion as well as passive soil resistance induced by the inclusion movement on the mechanical behavior of reinforced clays.