Strength of Sand with varying Fine Content in Northeast Thailand
doi: 10.14456/mijet.2018.1
Keywords:
Sand, Fine content, Strength, Triaxial, cohesion, Internal friction angleAbstract
Silty sand and sandy silt can be found in most areas of Northeast of Thailand. We measured the effective cohesion and internal friction angle of the soil in different proportions between coarse grain and fine grain. Soil samples from Khon Kaen province were separated into two different types: coarse grain and fine grain, and then were mixed in ratios of 0 to 100%. The effective cohesion and internal friction angle values were derived from drain triaxial tests.The finding showed that soil specimens were SM (USCS) or A-2-6 (AASHTO), and the effective cohesion and internal friction angle of the reconstituted had 3-7 t/m2 and 20°-27°. Functional relationships between the parameters to the fine content were also derived, which could be used to estimate the value of the effective cohesion and internal friction angle.
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