299837311-Conclusion.pdf - WAN MAHFUZAH NABIHAH BINTI WAN MUHAMMAD 151333584 CONCLUSION As a conclusion based on my experiment the hydrometer analysis

299837311-Conclusion.pdf - WAN MAHFUZAH NABIHAH BINTI WAN...

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WAN MAHFUZAH NABIHAH BINTI WAN MUHAMMAD 151333584 CONCLUSION As a conclusion based on my experiment, the hydrometer analysis is used to determine the grain size distribution for the fraction of soil that is smaller than 0.063mm of diameter from sieves analysis. Finer soil particles are dispersed by soaking the soil sample in a dispersing agent and by rapid stirring to neutralize the charges between the soil particles. During this experiment, its used a type of 152H hydrometer calibrated to give the mass of solids with specific gravity equal to 2.65 in suspension. Therefore, as particles get larger, the variance from spherical increase, a minor error will be caused.
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WAN MAHFUZAH NABIHAH BINTI WAN MUHAMMAD 151333584 REFERENCES 1) 2) Bowles, Joseph E.Engineering Properties of Soils.4 th .Bostom:Irwin McGraw-Hill. 1992. 3) ASTM Standard D 422-63, “Standard Test Method for Particle – Size Analysis of Soils”, ASTM International, West Conshohocken, PA 4) 5) Das, BrajaM.Principles of Geotechnical Engineering.6 th .Toronto, ON: Thomson Canada Ltd, 2006. 6) R. Krishna, “Engineering Properties of Soils Based onLaboratory Testing,” UIC 44 Experiment 6 Grain SizeAnalysis (Sieve and Hydrometer), University of Nebraska, Lincoln, 2007, pp. 44-59. 7) B. M. Das, “Soil Mechanics Laboratory Manual,” 6 th Edition, Oxford, New York, 2002, p. 277. 8) Yong R. N., and Warkentin, B. P. (1966) Introduction of Soil Behaviour, Macmillan, NY, USA. 9) Das B.M. and Sobhan K. (2014). Principles of Geotechnical Engineering, 8th edition, CengageLearning, NY, USA. DISCUSSION
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WAN MAHFUZAH NABIHAH BINTI WAN MUHAMMAD 151333584 For classcification of soil for engineering purposes, we both to know the distribution of the grain sizes in given soil mass especially the one obtain from the construction site or burrow pits. Particle size distribution test, also known as sieve analysis test is method used to determine the grain (granular) size distribution of soil samples. Grain size analysis is widely used in engineering classcifications of soils. The standard grain size analysis test determines the relative proportions of different grain sizes distribution of soil is determined. This test is done by letting a sample of soil pass through a stack of sieves of decreasing mesh opening sizes and by measuring the weight retained on each sieves. The main concept in this process is too retain the large particles not able to pass through yhe varying of sieve sizes. The sieve
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