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ANALYSIS OF REINFORCED EARTH WALL UNDER THE INFLUENCE OF CYCLIC SURCHARGE LOADING

This paper describes analysis of reinforced earth wall under the influence of cyclic surcharge loading. The tests where performed with model reinforced earth wall and for simulating strength effects in the model low strength; cotton fabric was used for preparing reinforced earth wall. Two different strength 1.41 kN/m and 2.95 kN/m of reinforcing material was studied using continues warp round technique. Initially surcharge strip load on the surface of wall was increased till the wall fails, Then reinforced earth wall was subjected to cyclic strip load of 25% or 50% of ultimate load. After 1, 10 & 100 cycles, reinforced earth wall was then checked for static strength under surcharge loading. The behavior of reinforced wall was also examined under cyclic surcharge loading with increasing magnitude of load cycle with two different fabrics. The fabric rupture location in the reinforced earth wall was also studied. Results showed that strength of reinforced earth wall increase with stronger fabric and with number of load cycle because of number of load cycles densify reinforced earth wall. The strength of reinforced earth wall mostly decreases with weaker fabric. Ultimate bearing capacity increase with increase in reinforcing layers and lateral displacement decreases with increase in no of reinforcing layers.