2. The following are the results of a sieve analysis. U.S. Mass of soil sieve no. retained (g) 4 10 18.5 20 53.2 40 90.5 60 81.8 100 92.2 200 58.5 Pan 26.5 a. Determine the percent finer than each sieve and plot a grain-size distri- bution curve. b. Determine Du, Dy, and D, for each soil. c. Calculate the uniformity coefficient C. d. Calculate the coefficient of gradation C.

2. The following are the results of a sieve analysis. U.S. Mass of soil sieve no. retained (g) 4 10 18.5 20 53.2 40 90.5 60 81.8 100 92.2 200 58.5 Pan 26.5 a. Determine the percent finer than each sieve and plot a grain-size distri- bution curve. b. Determine Du, Dy, and D, for each soil. c. Calculate the uniformity coefficient C. d. Calculate the coefficient of gradation C.

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter2: Origin Of Soil And Grain Size

Section: Chapter Questions

Problem 2.6P: Repeat Problem 2.4 with the following data. 2.4 The following are the results of a sieve analysis....

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arrow_forward Question A fine-grained soil has 60% clay with LL 220%, PL 545%, and a natural water content of 6%. A standard Proctor test was carried out in the laboratory and the following data were recorded Diameter of mold = 101.40 mmHeight of mold = 116.70 mmMass of mold = 4196.50 gramSpecific gravity, Gs = 2.69 a) Determine the maximum dry unit weight and optimum water content.b) If the desired compaction in the field is 95% of the standard Proctor test results, what values of dry unit weight and water content would you specify?c) Explain why you select these values.d) What field equipment would you specify to compact the soil in the field, and why?e) How would you check that the specified dry unit weight and water content are achieved in the field? I Need The Answer of part (d) and (e)...
A fine-grained soil has 60% clay with LL 220%, PL 545%, and a natural water content of 6%. Astandard Proctor test was carried out in the laboratory and the following data were recordedDiameter of mold = 101.40 mm Height of mold = 116.70 mm Mass of mold = 4196.50 gram Specific gravity, Gs = 2.69 a) What field equipment would you specify to compact the soil in the field, and why?b) How would you check that the specified dry unit weight and water content are achievedin the field?
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