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Question 1 A sieve analysis of a soil sample gives the following results. particle size/mm mass of grain group particle size/mm mass of grain group (g) (g) 20-10 145 0.25~0.10 10 10-5 75 0.10~0.05 0. 5~2 0.05~0.01 0. 2~1 30 0.01~0.005 0. 1~0.5 100 0.005~0.002 0. 0.5~0.25 140 and the total mass of the soil sample is 500g; (a) Plot the particle size distribution curve. (b) Determine the dio and d6o. (c) Determine whether the grain gradation of the soil is good or not.

Question 1 A sieve analysis of a soil sample gives the following results. particle size/mm mass of grain group particle size/mm mass of grain group (g) (g) 20-10 145 0.25~0.10 10 10-5 75 0.10~0.05 0. 5~2 0.05~0.01 0. 2~1 30 0.01~0.005 0. 1~0.5 100 0.005~0.002 0. 0.5~0.25 140 and the total mass of the soil sample is 500g; (a) Plot the particle size distribution curve. (b) Determine the dio and d6o. (c) Determine whether the grain gradation of the soil is good or not.

Principles of Geotechnical Engineering (MindTap Course List)
Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
ISBN:9781305970939
Author:Braja M. Das, Khaled Sobhan
Publisher:Braja M. Das, Khaled Sobhan
Chapter17: Subsoil Exploration
Section: Chapter Questions
Problem 17.2P
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Question 1 A sieve analysis of a soil sample gives the following results. particle size/mm mass of grain group particle size/mm mass of grain group (g) (g) 20-10 145 0.25~0.10 10 10~5 75 0.10~0.05 5~2 0.05~0.01 2~1 30 0.01~0.005 1~0.5 100 0.005~0.002 0.5~0.25 140 and the total mass of the soil sample is 500g; (a) Plot the particle size distribution curve. (b) Determine the dio and deo. (c) Determine whether the grain gradation of the soil is good or not.
Transcribed Image Text:Question 1 A sieve analysis of a soil sample gives the following results. particle size/mm mass of grain group particle size/mm mass of grain group (g) (g) 20-10 145 0.25~0.10 10 10~5 75 0.10~0.05 5~2 0.05~0.01 2~1 30 0.01~0.005 1~0.5 100 0.005~0.002 0.5~0.25 140 and the total mass of the soil sample is 500g; (a) Plot the particle size distribution curve. (b) Determine the dio and deo. (c) Determine whether the grain gradation of the soil is good or not.
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