STUDY ON LIQUEFATION OF SOIL FOLLOWING AN EARTHQUAKE
Author(s):
Eshan Gharpure
Keywords:
Liquefaction of soil, Liquefaction in earthquake, Methods of reducing liquefaction hazards, Soil improvement methods, Suitable foundation for liquefiable soil
Abstract
Liquefaction is the phenomena when there is loss of strength in saturated and cohesion-less soils because of increased pore water pressures and hence reduced effective stresses due to dynamic loading. It is a phenomenon in which the strength and stiffness of a soil is reduced by earthquake shaking or other rapid loading. Liquefaction occurs in saturated soils, that is, soils in which the space between individual particles is completely filled with water. This water exerts a pressure on the soil particles that influences how tightly the particles themselves are pressed together. Prior to an earthquake, the water pressure is relatively low. However, earthquake shaking can cause the water pressure to increase to the point where the soil particles can readily move with respect to each other. Earthquake shaking often triggers this increase in water pressure, but construction-related activities such as blasting can also cause an increase in water pressure. When liquefaction occurs, the strength of the soil decreases and, the ability of a soil deposit to support foundations for buildings and bridges is reduced.
Article Details
Unique Paper ID: 155689

Publication Volume & Issue: Volume 9, Issue 1

Page(s): 1892 - 1896
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