Abstract
In this paper limit equilibrium method under pseudo-static approach is applied to evaluate the ultimate bearing capacity of shallow strip footing resting on geosynthetic reinforced soils. The foundation is resting on two layered c − ϕ soils. Chaotic Particle Swarm Optimization algorithm is used to optimize the solution. Failure mechanism has been assumed as linearly varying with depth with different wedge angle. Bearing capacities evaluated for different reinforcement geometries and soil properties. Bearing capacity of shallow strip footing in two-layered soil conveyed as a single coefficient for a coincident resistance of unit weight, surcharge and cohesion. The effect of different parameters on the seismic bearing capacity coefficients is studied in details. A comparison of the present method with other theories is presented, which shows the merits of the present study. Hence, it was concluded that present method for reinforcement layered soils can be prosperously utilized in calculating the bearing capacities of geosynthetic reinforced soils.
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