1. The following are the results of a sieve analysis: U.S. Sieve No. Mass of Soil Retained on each Sieve (g) 4 10 25.2 20 40.2 40 70.3 60 81.8 100 64.1 200 34.2 Pan 14.3 Determine the percent finer than each sieve size. (Enter your answers to three significant figures.) Percent finer () a. U.S. Sieve No. 4 10 20 40 60 100 200 pan From the graph D60= 0.44 ; D30= 0.22 ; D10= 0.13 . b. Calculate the uniformity coefficient, Cu. c. Calculate the coefficient of gradation, Cc.

1. The following are the results of a sieve analysis: U.S. Sieve No. Mass of Soil Retained on each Sieve (g) 4 10 25.2 20 40.2 40 70.3 60 81.8 100 64.1 200 34.2 Pan 14.3 Determine the percent finer than each sieve size. (Enter your answers to three significant figures.) Percent finer () a. U.S. Sieve No. 4 10 20 40 60 100 200 pan From the graph D60= 0.44 ; D30= 0.22 ; D10= 0.13 . b. Calculate the uniformity coefficient, Cu. c. Calculate the coefficient of gradation, Cc.

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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Do the following: a) Calculate the percent retained and percent passing each sieve, and graph the results on a semi-log graph (you may use the attached chart, or graph in Excel and include with your submission). Then, characterize the gradation of the material. b) Calculate the values of D10, D30, D60, Cu, and Cc c) If the LL is 48 and the PL is 26, determine the USCS classification of the soil, and state its suitability for the purpose stated in the scenario.
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