Experimental analysis of earth pressure against rigid retaining walls under translation mode

A series of physical model tests was conducted for the active case of a rigid retaining wall subjected to horizontal translation. The behaviour of a granular retained soil was investigated experimentally using a set of precise miniature pressure cells and particle image velocimetry. The good agreement between the experimental results and the arch-action-based theories for lateral active earth pressure could confirm the arching effect behind the retaining walls in the active translation mode. The distribution of shear strain confirms that, for active wall movement, the failure zone is distinguished from the stationary zone by a shear band behind the wall.

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