OasisLMS

Liquefaction is the phenomenon by which the saturated sandy soil loses much of its strength or stiffness during earthquake event (predominantly) due to the increase in porewater pressure and decrease in effective stress. To mitigate the liquefaction, ground improvement techniques are used by densifying the soil, increase the strength by mixing additives or by providing drainage. Each ground improvement creates different effect on the soil mass and counteract the liquefaction potential and create a stable soil mass to withstand the structure to avoid failures and in term avoid loss of life and major financial losses. Numerous research is happening to know more about the behavior of the ground improved soil mass to mitigation liquefaction potential. This paper attempts to present the practice of liquefaction mitigation in India and provide an additional insight to the latest research being carried out worldwide and necessity for the adoption of them in the current Indian practice.

Vetriiselvan Arumugam, Bauer Engineering India Private Limited; Purantharan Arumugam, Bauer Engineering India Pvt. Ltd.

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