The paper presents the numerical study of the bearing capacity behavior of the model footing placed on the top of reinforced embankment slopes made up of Pozzolanic waste materials such as fly ash and ground granulated blast furnace slag (GGBFS). The present investigation is aimed at studying the efficacy of the different types of reinforcement (geogrid and rubbergrid) in improving the load bearing capacity of the embankment slopes made up of waste materials. The effect of various parameters such as slope angle, location of the footing with slope crest, embedment depth of the reinforcement is studied on the strength behavior of the embankment. The analysis is carried out on unreinforced fly ash and GGBFS embankments for three slope angles and three locations of the footing with respect to slope crest, i.e., edge distance. The fly ash slopes reinforced with geogrid and rubber grid reinforcement is also analyzed for all the three slope angles and edge distances as that in unreinforced fly ash embankment slope and further, for various embedment depths of the layer of reinforcement. The GGBFS embankment reinforced with geogrid layer is analyzed with respect to critical slope angle and edge distance and optimum embedment depth of the reinforcement deduced from the unreinforced fly ash and GGBFS embankment and reinforced fly ash embankment. The analysis demonstrated that the load carrying capacity of the embankment slope decreases with increase in slope angle and edge distance in respect of unreinforced and reinforced fly ash slope and the optimum embedment depth ratio seems to be 1.2. Further, the rubbergrid reinforcement is found to perform better than the geogrid. The performance of geogrid reinforced GGBFS embankment is also noteworthy. The study underscores the effective utilization of Pozzolanic waste materials as the embankment slope and the rubbergrid derived out of discarded tyres.

本文对设置在由火山灰废料（如粉煤灰和磨碎的高炉矿渣（GGBFS））组成的加筋路堤斜坡顶部的模型基础的承载力特性进行了数值研究。本研究旨在研究不同类型的增强材料（土工格栅和橡胶格栅）在提高由废料组成的路堤边坡的承载能力方面的功效。研究了各种参数对路堤强度特性的影响，例如，坡度角，带坡顶的基础位置，钢筋的埋深等。该分析是在未增强的粉煤灰和GGBFS路堤上进行的，以三个坡度角和三个相对于坡度的立足位置为基础，即边距。还分析了用土工格栅和橡胶格栅加固的粉煤灰边坡的所有三个坡度角和边距，与未加固的粉煤灰路堤边坡中的边坡距离和边距有关，此外，还分析了加固层的各种埋深。分析了土工格栅层加筋的GGBFS路堤的临界坡度和边距，以及由未加筋的粉煤灰和GGBFS路堤和加筋的粉煤灰路堤推导出的钢筋的最佳包埋深度。分析表明，相对于未加筋和加筋的粉煤灰边坡，路堤边坡的承载能力随着边坡角度和边距的增加而减小，最佳埋深比似乎为1.2。此外，发现橡胶格栅增强件的性能优于土工格栅。土工格栅加固的GGBFS路堤的性能也值得注意。该研究强调了火山灰废料的有效利用，如路堤边坡和废弃轮胎产生的橡胶网。