| Journal: |
4th African Regional Conference on Geosynthetics - GeoAfrica 2023
4th African Regional Conference on Geosynthetics - GeoAfrica 2023, Cairo, Egypt, February 20 – 23, 2023.
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| Abstract: |
The basic function of retaining walls is to support soil backfill and water. This function has to be adequate under different conditions of loading with permissible deformations. Researches are addressing the reduction of the exerted lateral earth thrust and water pressures to satisfy the adequacy in reasonable costs. Expanded polystyrene geofoam, EPSG, is the most popular material adopted to decrease lateral earth thrust on retaining walls. This paper presents an article review on research on this aspect. Equations were proposed for reduction in lateral forces and overturning moments. Its aim is to optimize the design of an 8.0 m gravity retaining wall with the installation of EPSG. Future studies can address different heights, dimensions, and types of retaining walls, as well as different configurations of EPSG.
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