Classify the following soils by the AASHTO classification system.DescriptionSoil ASoil BSoil CPercent finer than No.10 sieve8310048Percent finer than No.40 sieve489228Percent finer than No.200 sieve20866Liquid Limit2070-Plasticity Index532Nonplastic 4. Classify the following soils by the AASHTO classification system.DescriptionSoil APercent finer than No.10 sieve83Percent finer than No.40 sieve4820Percent finer than No.200 sieveLiquid Limit20Plasticity Index5Soil B10092867032Soil C48286Nonplastic

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4. Classify the following soils by the AASHTO classification system. Description Soil A Percent finer than No.10 sieve 83 Percent finer than No.40 sieve 48 Percent finer than No.200 sieve 20 Liquid Limit 20 Plasticity Index 5 Soil B 100 92 86 70 32 Soil C 48 28 6 Nonplastic

4. Classify the following soils by the AASHTO classification system. Description Soil A Percent finer than No.10 sieve 83 Percent finer than No.40 sieve 48 Percent finer than No.200 sieve 20 Liquid Limit 20 Plasticity Index 5 Soil B 100 92 86 70 32 Soil C 48 28 6 Nonplastic

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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Problem D: For problems 14 to 17. Classify the following soils by the AASHTO classification System. Description Percent finerthan No. 10 sieve A B C 83 100 48 90 Percent finerthan No. 40 sieve 48 92 28 76 Percentfinerthan No. 200 sieve 20 86 34 Liquid Limit Plasticity Index 20 70 37 12 plastic 32 Non- 14) Soil A is? a) A-2-4(0) b) A-2-6 (0) c) A-2-7 (1) d) A-1-b (0) 15) Soil Bis ? a) A-7-5(13) b) A-1-b(0) c) A-7-5 (16) d) A-7-5 (33) 16) Soil Cis ? a) A-6(5) b) A-7-6 (8) c) A-6 (2) d) A-1-a (0) 17) Soil D is ? a) A-6 (2) b) A-1-a (0) c) A-7-6 (4) d) A-2-6 (0)
Classify the following soils by the Unified (USCS) and AASHTO methods. Where necessary, assume CU = 7 and Cc=2.5. Soil No. 2 62 % Passing Soil No. 1 # 4 95 41 #10 88 # 40 33 11 81 2676 #200 65 21 LL 53 12 PL 36 USCS AASHTO Usily
Classify the following soils using the AASHTO classification system. Give group indexes as well.
Afine-grainedsoilisfoundtohavealiquidlimitof70%andaplasticlimitof38%. (a) On the plasticity chart for the Unified Soil Classification System, what soil type is this?(b) On the plasticity chart for the AASHTO classification system, what soil type is this?
By referring to USCS table 1 (below), what is the soil type if the results from sieve test show; i. Less than 5% of soil passing No.200 sieve, ii. Less that 50% of soil passing No. 4 sieve, and iii. Cu is 5 and Cc is 2. (Answer in symbol only i.e. SP, SW) Major division Typical name Classification criteria Group Eymbal GW Wel-graded gravels and gravel- sand mitures, inte or no fines U- DJD, greater than 4 C-0»(O x O between 1 and 3. GP Poorly-graded 9graveis and gravel-sand mixtures, inte or no fines. Not meeting both criteria for GW. Sity gravels. gravel-sand-sit motures GM Alterberg limits plot below A-ine or plasticity index less than 4. Clayey mitures GC Alterberg limits piot above Aine or plasticity index less than 4. Sw Wel-graded sands and gravelly sands, itte or no fines. U greater than 6 C, between 1 and 3 Not meeting both criteria for SW. Poorly-graded sands gravelly sands, tle or no fines. SP and SM Attorberg imits plot below A-ine or plasticity index less than 4. Sity…
Classify the following soils by the AASHTO classification system. Sieve Analysis- Percent Finer Plasticity Index Liquid Limit Soil No.10 No.40 No.200 A 92 68 30 42 18 90 48 22 31 A) AASHTO CIlassification for Soil A B) Group Index for Soil A C) AASHTO CIlassification for Soil B D) Group Index for Soil B
PROBLEM No. 2 Classify the following soils by the AASHTO classification system: Soil A Soil B Soil C Percent finer than #10 sieve 83 100 48 Percent finer than #40 sieve 48 90 28 Percent finer than #200 sieve 20 86 6 Liquid limit Plasticity Index 20 65 5 32 non plastic
Problem D: For problems 14 to 17. Classify the following soils by the AASHTO classification System. Description A D Percent finerthan No. 4 sieve 100 | 92 100 94 Percent finerthan No. 10 sieve 100 85 80 80 Percent finerthan No. 40 sieve 96 71 78 51 Percent finerthan No. 200 sieve 72 56 59 15 Liquid Limit Plasticity Index 16) Soil A is ? 58 35 42 26 23 19 13 12 a) A-7-5(19) b) A-2-6 (0) c) A-7-6 (18) d) A-7-5 (18) 17) Soil Bis ? a) A-6(13) b) A-7-5(0) c) A-6 (7) d) A-6 (8) 18) Soil Cis ? a) A-7-6(5) 19) Soil D is ? a) A-2-6(2) b) A-7-6 (8) c) A-7-6 (7) d) A-7-6(6) b) A-3 (0) c) A-2-6 (0) d) A-2-6 (2)
Classify the following soils by the AASHTO classification system. Description Percent finer than No. 10 sieve Percent finer than No. 40 sieve Percent finer than No. 200 sieve Soil A Soil B Soil C 100 92 94 82 38 81 85 51 52 Liquid limit Plastic Limit 42 29 43 23 16 34 Table 3.1: Classification of Highway Subgrade Materials General class fication Granular materials (35% or less of total sample passing No. 200) A-2 A-1 Group classification Sieve analysis (percentage passing) No. 10 No. 40 No. 200 Characteristics of fraction passing No. 40 Liquid limit Plasticity index Usual types of significant constituent materials A-1-a A-1-b A-3 A-2-4 A-2-5 A-2-6 A-2-7 50 max. 30 max. 50 max. 51 min. 15 max. 25 max. 10 max. 35 max. 35 max. 35 max. 35 max. 40 max. 41 min. 40 max. 41 min. 10 max. 10 max. 11 min. 11 min. 6 max. NP Stone fragments, gravel, and sand Fine sand Sity or clayey gravel and sand General subgrade rating Excellent to good What is the classification of Soil A? O A-5(3) A-7-5(3) O…
Classify the following soils by AASHTO classification system. Percent finer than (sieve analysis) Liquid Limit Plasticity Index Soil No. 4 No. 10 No. 40 No. 200 1 95 82 55 41 32 12 94 80 51 15 26 12 Silty-Clay Materials (more than 35 % passing No. 200 sieve) A-7 General Granular Materials Highly Organic Classification (35 % or less passing No 200 sieve) A-1 A-2 Group Classification A-1-a A-1-b A-3 A-2-4 A-2-5 A-2-6 A-2-7 A-4 A-5 A-6 A-7-5 A-8 A-7-6 Sieve Analysis percent passing: # 10 < 50 # 40 # 200 S 30 5 50 s 51 <15 25 $10 <35 35 s 35 35 236 2 36 2 36 236 Characteristics of fraction passing #40 Liquid limit Plasticity index < 40 241 40 241 NP3 <40 241 40 241 2 11 11 10 <10 211 211 < 10 <6 Stone <10 Usual types of signifcant constituent materials fragments; gravel and sand Fine Peat or sand Silty or clayey gravel and sand Sity soils Clayey soils muck General ratins as Excellent to good Fair to Poor Unstable subgrade VI VI VI VI VI
The sieve analysis of (2) soils and the liquid and plastic limits of the fraction passing through the No. 40 sieve are given in the folllowing table. 1. Classify the soils according to Unified soil classification system (USCS) given the group symbol and name 2. Classify the soils according to AASHTO sistem and find the group index (GI) D10 Soil A B 4 98 100 Seive No % passing 20 40 50 28 100 99 10 86 100 60 100 200 18 14 10 95 90 73 Attereberg limits L.L P.L N.P 27 55 D30 D60 1.5 0.075 0.43 0.001 0.003 0.053
Soil Classifications Classify the following soils by the AASHTO classification system. Description Soil A Soil B Soil C Percent finer than No. 10 sieve 83 100 48 48 92 28 Percent finer than No. 40 sieve 20 86 6 Percent finer than No. 200 sieve 20 70 Liquid limit Plasticity index 32 Nonplastic

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Description	Soil A	Soil B	Soil C
Percent finer than No.10 sieve	83	100	48
Percent finer than No.40 sieve	48	92	28
Percent finer than No.200 sieve	20	86	6
Liquid Limit	20	70	-
Plasticity Index	5	32	Nonplastic