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ARPN Journal of Science and Technology >> Volume 7, Issue 1, January 2017

ARPN Journal of Science and Technology


Evaluation of Some Geo Mechanical Parameters of the Soil Samples from Ganakbari Area, Dhaka, Bangladesh

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Author Md. Emdadul Haque, Hossain Md. Sayem, Md. Hasan Imam
ISSN 2225-7217
On Pages 850-857
Volume No. 3
Issue No. 8
Issue Date September 01, 2013
Publishing Date September 01, 2013
Keywords Geomechanical parameters, unconfined compressive strength, shear strength, compression index.



Abstract

Geo mechanical parameters are evaluated here in. The unconfined compressive strength (q¬u) value ranges from o.38 kg/cm^2 to 1.60 kg/cm^2 and the average value is 1.06 kg/cm^2. The analyzed soil is ‘medium to stiff’ based on ‘qu ‘. The UCS is closer to the typical strength for kaolinite and illite. The soil is brittle to ductile in nature. The values of cohesion (C) vary from 0.1 kg/cm^2 to 0.6 kg/cm^2 in the Madhupur Clay. The values of the angle of internal friction (f) vary from 7º to 34º. The values of cohesion decrease with increasing the values of moisture content. The obtained values of ‘f’ are closer to the typical values for illite and kaolinite. The shear stress increases linearly with increasing normal stress. The compression index (Cc) varies from 0.16 to 0.20 and the average value is 0.18. The soil samples are medium plastic based on compression index values. The compression index (Cc) increases with increasing the value of void ratios and moisture content. The soil might be normally consolidated to over consolidated in nature.


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