Investigation of Parametric Stability of Geogrid Reinforced Earth Walls and Assessment of Tyreshred-Sand Mixture as a Backfill Material

¹ Former M. Tech Student, SET, Civil Engineering department, Navrachana University, Vadodara, India
² Assistant Professor, SET, Civil Engineering department, Navrachana University, Vadodara, India

Abstract

The construction of mechanically stabilized earth walls (MSEW) has become increasingly popular, especially in road and railway infrastructure projects. MSEW provides several advantages over typical retaining walls, including ease of construction, low cost, and low environmental impact. This study has been divided into two parts. The first part focuses on the parametric analysis of a Geogrid Reinforced Earth Wall (GREW), evaluating the influence of various parameters such as height, type of reinforcement, tensile strength of reinforcement, type of backfill, type of foundation soil, and water table fluctuation on the stability of GREW. The second part assesses the use of a rubber tire and sand mixture as a potential backfill material for GREW. This material was chosen because it has been found to outperform other typical materials such as crushed rock, sand, or gravel. The stability of GREW concerning parametric studies and using a sand and shredded rubber tire mix as backfill is analyzed for internal and external stability using the GEO-5 software. Overall, the study provides distinctive insights into the design and analysis of GREW, which might be useful for civil engineers and researchers working in retaining wall applications. The study's findings can assist in improving the safety and durability of retaining walls in various civil engineering applications.