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Classify the soils by AASHTO classification system. Sol Sample Dia. (mm) 4.76 Percent 100 100 100 finer than No. 4 sieve Percent 2 92 98 finer than No. 10 sieve Percent 0.42 53 51 84 finer than No. 40 sieve Percent 0.074 17 33 63 finer than No. 200 sieve Liquid 36 46 47 imit Plastic 20 28 24 imit 14. What is the classification of soil A? a. A-2-6(5) c. A-1-a(0) b. A-2-6(0) d. A-2-7(2) 15. What is the classification of soil B? a. A-2-7(1) C. A-2-6(4) b. А-2-5(1) d. A-2-4(3) 16. What is the classification of soil C? b. A-5(8) d. A-7-6(12) a. A-4(6) С. А-7-5(10)

Classify the soils by AASHTO classification system. Sol Sample Dia. (mm) 4.76 Percent 100 100 100 finer than No. 4 sieve Percent 2 92 98 finer than No. 10 sieve Percent 0.42 53 51 84 finer than No. 40 sieve Percent 0.074 17 33 63 finer than No. 200 sieve Liquid 36 46 47 imit Plastic 20 28 24 imit 14. What is the classification of soil A? a. A-2-6(5) c. A-1-a(0) b. A-2-6(0) d. A-2-7(2) 15. What is the classification of soil B? a. A-2-7(1) C. A-2-6(4) b. А-2-5(1) d. A-2-4(3) 16. What is the classification of soil C? b. A-5(8) d. A-7-6(12) a. A-4(6) С. А-7-5(10)

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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SITUATION 3: The following are data's taken from sieve analysis of three soil samples. Classify the soils by AASHTO classification system. Sol Sample Dia. (mm) 4.76 Percent 100 100 100 finer than No. 4 sieve Percent 92 77 98 finer than No. 10 sieve Percent 0.42 53 51 84 finer than No. 40 sieve Percent 0.074 17 33 finer than No. 200 sieve Liquid 36 46 47 limit Plastic imit 20 28 24 14. What is the classification of soil A? b. A-2-6(0) d. A-2-7(2) a. A-2-6(5) c. A-1-a(0) 15. What is the classification of soil B? a. A-2-7(1) c. A-2-6(4) b. A-2-5(1) d. A-2-4(3) 16. What is the classification of soil C? b. A-5(8) d. A-7-6(12) a. A-4(6) A-7-5(10) 2.
Transcribed Image Text:SITUATION 3: The following are data's taken from sieve analysis of three soil samples. Classify the soils by AASHTO classification system. Sol Sample Dia. (mm) 4.76 Percent 100 100 100 finer than No. 4 sieve Percent 92 77 98 finer than No. 10 sieve Percent 0.42 53 51 84 finer than No. 40 sieve Percent 0.074 17 33 finer than No. 200 sieve Liquid 36 46 47 limit Plastic imit 20 28 24 14. What is the classification of soil A? b. A-2-6(0) d. A-2-7(2) a. A-2-6(5) c. A-1-a(0) 15. What is the classification of soil B? a. A-2-7(1) c. A-2-6(4) b. A-2-5(1) d. A-2-4(3) 16. What is the classification of soil C? b. A-5(8) d. A-7-6(12) a. A-4(6) A-7-5(10) 2.
AASHTO TABLE 3.1 A B E F H J K Silt-clay Materials (more than35% of total sample passing No.200) A-5 General classification Granular Materials (35% or less of total sample passing No.200) Group A4 A-6 A-7 classification A-1 А-2 А-7-5° A-7-6 А-1-а A-1-b А-3 A-2-4 А-2-5 A-2-6 A-2-7 Sieve Analysis(percentage passing) No.10 No.40 No.200 50 max 30 max 50 max 51 min 15 max 25max 10max 35max 35max 35max 35max 36 min 36min 36min 36min Characteristics of fraction passing No.40 Liquid Limit Plasticity Index 40max 41min 40max 41min 40max 41min 40max 41min 6 mаx NP 10max 10max 11min 11min 10max 10max 11min 11min Usual types of significant constituent material Silty soils Silty or clayey gravel and sand Clayey soils Stone fragments, gravel and sand Fine Sand Excellent to good General Subgrade rating Fair to poor For A-7-5, PI < LL-30 ForA-7-6, PI >LL-30
Transcribed Image Text:AASHTO TABLE 3.1 A B E F H J K Silt-clay Materials (more than35% of total sample passing No.200) A-5 General classification Granular Materials (35% or less of total sample passing No.200) Group A4 A-6 A-7 classification A-1 А-2 А-7-5° A-7-6 А-1-а A-1-b А-3 A-2-4 А-2-5 A-2-6 A-2-7 Sieve Analysis(percentage passing) No.10 No.40 No.200 50 max 30 max 50 max 51 min 15 max 25max 10max 35max 35max 35max 35max 36 min 36min 36min 36min Characteristics of fraction passing No.40 Liquid Limit Plasticity Index 40max 41min 40max 41min 40max 41min 40max 41min 6 mаx NP 10max 10max 11min 11min 10max 10max 11min 11min Usual types of significant constituent material Silty soils Silty or clayey gravel and sand Clayey soils Stone fragments, gravel and sand Fine Sand Excellent to good General Subgrade rating Fair to poor For A-7-5, PI < LL-30 ForA-7-6, PI >LL-30
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