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ABSTRACT

Liquefaction is a phenomenon happens in a loose, fully saturated cohesionless soil in undrained condition subjected to cyclic loading. During liquefaction of the soil lost its shear strength when the mean effective stress is made equal to zero due to the progressively increasing excess pore water pressure. Liquefaction may cause failure of foundations, resulting in collapse of structure, even if the structure is designed as an earthquake-resistant. Liquefaction depends on characteristics of subsurface soil. Amaravathi is a new capital of Andhra Pradesh State, India. The construction activities in the capital region are swiftly increasing. It is essential that the new structures constructing in capital should be assessed for liquefaction susceptibility. In the present investigation an attempt has been made to assess the liquefaction susceptibility of various sites in the capital of Andhra Pradesh State, India. The liquefaction analysis is carried out by using simplified method which mainly relies on Standard Penetration Test (SPT) value.