Seismic stability of reinforced-soil retaining walls by tilting and shaking table tests

概要

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A series of tilting tests, shaking table tests with regular wave and irregular wave were carried out to investigate the seismic stability of the reinforced-soil retaining and conventional retaining walls. The seismic resistance of reinforced-soil retaining wall models was higher than that of the conventional retaining wall models which agree with the damage observed after Hyogoken-Nanbu earthquake. The experiments revealed that by extending the upper reinforced material, the seismic stability of the reinforced-soil retaining wall could be improved more effectively than by extending all reinforced material. The reinforced area showed a shear deformation and the failure plane did not penetrate into the reinforced area which is not considered in the current earthquake resistance designing procedure.
国際ジオシンセティックス学会日本支部の論文