Application of Geosynthetics for Geotechnical Challenges

Ksheeraja, A. L. and Srilatha, N. (2022) Application of Geosynthetics for Geotechnical Challenges. In: Indian Geotechnical Conference, IGC 2020, 17 December 2020 through 19 December 2020, Virtual, Online.

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Abstract

Construction over soft soil has always been a challenge for geotechnical engineers. Soft soils are characterized by low shear strength, high compressibility and low bearing capacity. Such factors make the construction of embankment on these soils challenging. If not addressed correctly, soft subsoil can pose serious problems. In this paper, a project site at Kochi Refinery (Kerala) considered, the existing subsoil stratum at the site location was incompetent to satisfy the bearing pressure requirement for the operations of the cranes which were planned for the erection of heavy columns/components. This paper provides an overview of the bearing capacity of the soil at the location of the project site and also to improves the bearing capacity of the soil stratum at the proposed site by adopting suitable ground improvement techniques. Technical aspects of the past research studies in this area of ground improvement are highlighted. Finite element analysis software Plaxis 3D was performed to validate the bearing capacity and settlements of stratified soil deposits and reinforced soil stratum. The results from numerical studies are presented and discussed in detail. © 2022, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

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