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SETSCI - Volume (2018)
ISAS 2018 - Ist International Symposium on Innovative Approaches in Scientific Studies, Kemer-Antalya, Turkey, Apr 11, 2018

Investigation of The Mechanical Properties of The Soils With Different Plasticity Properties (ISAS 2018_214)
Selim Altun1, Perviz Ahmetzade2, İrem Bozyiğit3*, Hasan İş4, Cahit Yerdelen5
1Civil Engineering Dept., Ege University, İzmir, Turkey
2Civil Engineering Dept., Ege University  , İzmir, Turkey
3Ege University, İzmir, Turkey
4Ege University, İzmir, Turkey
5Civil Engineering Dept., Ege University  , İzmir, Turkey
* Corresponding author: irem.kalipcilar@ege.edu.tr
Published Date: 2018-06-23   |   Page (s): 242-242   |    58     3

ABSTRACT Plasticity index is one of the most important parameters affecting the behavior of fine-grained soils under monotonic and dynamic loads. Besides, various correlations between plasticity index and strength properties of fine grained soils can be obtained depending on loading type, drainage, and loading rate conditions. In this study, mechanical properties of soils with different plasticity index prepared by mixing kaolin and montmorillonite clay at various ratios were investigated. Atterberg limits and unconfined compression test were performed on the obtained mixed soils. Firstly, Atterberg limit values of specimens prepared with at 10, 20, 30, 40 and 50 % montmorillonite replacement level were obtained. According to the determined Atterberg limits, specimens with different liquidity index were subjected to unconfined compression tests. The unconfined compressive strengths of the specimens are analyzed according to the percentage of different clay minerals and liquidity index also the relation between these parameters were explained. Significant decreases in the unconfined compressive strength have been observed with the increase in montmorillonite clay contents. Besides, the strength of specimens decreased when the liquidity index value of the prepared samples increased from 0 to 1.  
KEYWORDS Unconfined compressive strength, liquidity index, montmorillonite, kaolin

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