This paper pertains results of experimental studies carried out on reinforced bottom ash based geomaterial. The proposed geomaterial is prepared by blending bottom ash with expanded polystyrene beads, waste plastic water bottle strips and a binder such as ordinary Portland cement. The mix ratios used in the experimental study were 0.2%, 0.6%, and 1.0%. The plastic strips were used in two different aspect ratios 0.1 and 0.2 with different mix proportions 1%, 2%, and 3%. The cement to bottom ash ratio was considered as 10 %. The effect of mix ratio, percentage of plastic strips and curing period on the compressive strength, stress-strain behaviour, density and secant modulus were studied and results are incorporated in the paper. The result indicated that for a particular mix ratio, the compressive strength increased with increasing aspect ratio. Nonlinear relationship was observed between compressive stress and axial strain for all the mix ratios and curing periods.
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