EVALUATION OF LIQUEFACTION POTENTIAL OF THE ALLUVIAL SOIL WITH INITIAL ACCELERATION METHOD, PROVINCE OF BATMAN CASE
Published: 29 Jul 2017
Abstract: Soil structures which mostly have alluvial are the most problematic soils in terms of convenience to settlement. Especially in the areas where there are new settlements, it gains importance to evaluate alluvial soil structures in detail. For settlement, alluvial soil needs to be analyzed in terms of liquefaction risk, bearing capacity and durability. Liquefaction of soil which is one of the most important problems in the soil is that layers lose their strength and act like viscous liquid instead of solid. Soil structures of alluvial soils that contain sand, silt and sometimes pebble but do not contain clay have higher liquefaction potential. Liquefaction issue which causes different deformations in each soil type can lead to bigger damages by effecting settlements negatively. There is a relation between soil type and liquefaction risk which can happen in the soil. Underground water nearer than 10 meters to the surface increases liquefaction. Especially in the layers where groundwater level is high, it is seen that liquefaction risk of partly compressed silt and sand is much higher. In this study, the focus is on the evaluation of liquefaction mechanism in alluvial soils and liquefaction potential of the soil. In the evaluation of liquefaction potential of the soil, there are various empirical relation, analysis and methods. In this study, various calculations and evaluations are made using Initial Acceleration Method (Dobry et.al., 1981) which is one of the main methods that examine liquefaction potential.
Keywords: alluvial soil, liquefaction, acceleration, sand
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