Analysis of the Stability ofReinforced PlasticWaste TreatedClay as Embankment Fill on Soft Soils

Abstract

e purpose of this study is to analyze the suitability and stability of clay soil treated with plastic waste as an embankment ­ll. Plastic wastes are used to stabilize the locally found weak clay. e locally found weak clay soil is stabilized with plastic waste. e stability analyses of the proposed slope have been done by ­nite element method using geotechnical software PLAXIS 2D. e stability analyses were performed for di erent conditions considering the geometry of the embankment, characterization of ­ll material, and the strength of reinforcement. Di erent models were analyzed to determine the safe height, side slope, and tensile strength of geogrid required to stabilize the embankment in addition to that of unreinforced embankments. e factor of safety of each trial is taken to check the stability of the modeled embankments. Accordingly, the factor of safety increases as geogrid axial sti ness increases greater than 500 kN/m. e analysis results revealed that with increasing slope height and slope angle the factor of safety decreases. is study found that plastic waste treated clay could be used as embankment ­ll when reinforced with geogrid.