Dynamic response of wrap-faced cement treated reinforced clayey soil retaining walls

Abstract

This paper presents model studies conducted on geotextile wrap faced reinforced soil walls under dynamic conditions mounted on a shake table. Untreated and cement-treated clay soils were used as backfill soils. Numerical modeling has been done by PLAXIS software. The surcharge pressure, frequency of shaking, base acceleration, and a different number of reinforcement layers were varied in model tests. The influence of these various parameters at different elevations of the retaining wall, settlement at the crest, and horizontal face displacement are presented in this paper. All model walls were subjected to 20 cycles of sinusoidal shaking, and the slope was kept at 45°. It was seen that vertical crest settlement and horizontal displacement of reinforced soil wall decrease with an increase in reinforcing layers.