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From the given data, shows a sieve analysis of soil samples. Soil Sample Sieve Diam A no. (mm) # 4 4.760 90 100 100 #8 2.380 64 90 100 # 10 2.000 54 77 98 #20 0.840 34 59 92 # 40 0.420 22 51 84 # 60 0.250 17 42 79 #100 0.149 35 70 # 200 0.074 33 63 Characteristics of - 40 fraction LL 46 47 PL 29 24 5.

From the given data, shows a sieve analysis of soil samples. Soil Sample Sieve Diam A no. (mm) # 4 4.760 90 100 100 #8 2.380 64 90 100 # 10 2.000 54 77 98 #20 0.840 34 59 92 # 40 0.420 22 51 84 # 60 0.250 17 42 79 #100 0.149 35 70 # 200 0.074 33 63 Characteristics of - 40 fraction LL 46 47 PL 29 24 5.

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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Classify Soil A, B, C using AASHTO method.
From the given data, shows a sieve analysis of soil samples. Soil Sample Sieve Diam A no. (mm) # 4 4.760 90 100 100 #8 2.380 64 90 100 #10 2.000 54 77 98 #20 0.840 34 59 92 # 40 0.420 22 51 84 # 60 0.250 17 42 79 #100 0.149 35 70 # 200 0.074 33 63 Characteristics of - 40 fraction LL 46 47 PL 29 24 B. 5.
Transcribed Image Text:From the given data, shows a sieve analysis of soil samples. Soil Sample Sieve Diam A no. (mm) # 4 4.760 90 100 100 #8 2.380 64 90 100 #10 2.000 54 77 98 #20 0.840 34 59 92 # 40 0.420 22 51 84 # 60 0.250 17 42 79 #100 0.149 35 70 # 200 0.074 33 63 Characteristics of - 40 fraction LL 46 47 PL 29 24 B. 5.
Granular Materials (35% or less passing the 0.075 mm sieve) Silt-Clay (>35% passi mm sieve) General Classification A-1 А-2 Group Classification A-3 A-2- A-2- A-2- A-2- A-4 A-5 А-1-а А-1-b 4 7 Sieve Analysis, passing 2.00 mm (No. 10) 50 max …. 51 30 max 50 max min 0.425 (No. 40) ... .... ... ... ... ... 10 15 max 25 max| 35 35 35 35 36 36 0.075 (No. 200) max max max max max min min Characteristics of fraction passing 0.425 mm (No. 40) 40 41 40 41 40 41 Liquid Limit ... ... max min max min max min 10 N.P. 10 11 11 10 10 Plasticity Index 6 max max max min min max max stone Usual types fragments, significant constituent gravel fine silty or clayey gravel silty soils and sand and sand materials sand General rating as subgrade a excellent to good fair to poor Note: Plasticity index of A-7-5 subgroup is equal to or less than the LL - 30. Pl of A-7-6 subgroup is greater than LL - 30 In the AASHTO system: gravel is material smaller than 75 mm (3 in.) but retained on a No. 10 si coarse sand is material passing a No 10 sieve but retained on a No. · fine sand is material passing a No. 40 sieve but retained on a No. 200 sie Material passing the No. 200 sieve is silt-clay and is classified based 1:mite.
Transcribed Image Text:Granular Materials (35% or less passing the 0.075 mm sieve) Silt-Clay (>35% passi mm sieve) General Classification A-1 А-2 Group Classification A-3 A-2- A-2- A-2- A-2- A-4 A-5 А-1-а А-1-b 4 7 Sieve Analysis, passing 2.00 mm (No. 10) 50 max …. 51 30 max 50 max min 0.425 (No. 40) ... .... ... ... ... ... 10 15 max 25 max| 35 35 35 35 36 36 0.075 (No. 200) max max max max max min min Characteristics of fraction passing 0.425 mm (No. 40) 40 41 40 41 40 41 Liquid Limit ... ... max min max min max min 10 N.P. 10 11 11 10 10 Plasticity Index 6 max max max min min max max stone Usual types fragments, significant constituent gravel fine silty or clayey gravel silty soils and sand and sand materials sand General rating as subgrade a excellent to good fair to poor Note: Plasticity index of A-7-5 subgroup is equal to or less than the LL - 30. Pl of A-7-6 subgroup is greater than LL - 30 In the AASHTO system: gravel is material smaller than 75 mm (3 in.) but retained on a No. 10 si coarse sand is material passing a No 10 sieve but retained on a No. · fine sand is material passing a No. 40 sieve but retained on a No. 200 sie Material passing the No. 200 sieve is silt-clay and is classified based 1:mite.
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