“EFFECTS OF DIFFERENT BACKFILL ON REINFORCED MSE WALL”

Geotech engineering ( Civil Engineering)

A mechanically stabilized earth (MSE) wall acting as flexible element is able to resist loading and deformation of the wall due to interaction between the reinforcement and backfill material. Shall have good compressive strength and reinforcement have the capacity to resist/transfer the load so that Geo-synthetic reinforced soil wall have been used successfully as earth retaining structure. A model study on MSE wall is carried out to study of load displacement behavior of the wall. Model size of 990mm X 710mm X 750mm, making from MS angle section and side wall are from acrylic sheet for observation of the ME wall. For the finding the interaction between reinforcement and backfill material modified box shear has been done at the laboratory. In MSE wall material use as backfill are silty sand, poorly graded sand and silty sand in dry condition, which are filled in model at different relative densities which are 40%, 55%, 70% and 85%. Reinforcement length, spacing, stiffness, type and geometry are constant during all the tests on MSE wall. Axial loading is applied through the hydraulic on footing plate and the study of the deformation of facing panel and settlement of the footing plate.

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