1. Classify the following soils by the AASHTOclassification system.Sieve Analysis- Percent FinerPlasticityLiquid LimitIndexSolNo.10No.40No.200A90743228B86568.NP4228121813A) AASHTO CIlassification for Soil AB) Group Index for Soil AC) AASHTO Classification for Soil BD) Group Index for Soil BE) AASHTO Classification for Soil CF) Group Index for Soil C

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1. Classify the following soils by the AASHTO classification system. Sieve Analysis- Percent Finer Liquid Limit Plasticity Index Soil No.10 No.40 No.200 90 74 32 28 B 86 56 NP 42 28 12 18 13 A) AASHTO Classification for Soil A B) Group Index for Soil A C) AASHTO Classification for Soil B D) Group Index for Soil B E) AASHTO Classification for Soil C F) Group Index for Soil C

1. Classify the following soils by the AASHTO classification system. Sieve Analysis- Percent Finer Liquid Limit Plasticity Index Soil No.10 No.40 No.200 90 74 32 28 B 86 56 NP 42 28 12 18 13 A) AASHTO Classification for Soil A B) Group Index for Soil A C) AASHTO Classification for Soil B D) Group Index for Soil B E) AASHTO Classification for Soil C F) Group Index for Soil C

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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No.5
Grain size distributions curves are given for 9 soils in Figures 1, 2 and 3. The LiquidLimit and Plastic Limit for the fine-grained portion of these soils are given in Table 1.a) Classify the soils according to ASTM/USCS (i.e., give both the Group Symboland Group Name).b) It is proposed that Soil 3 (Figure 2) be used for a highway subgrade. What is theAASHTO soil classification for this soil (see classification table on the last page ofthis assignment)? What is this soil's general rating as a subgrade?
1. The following results were obtained in a sieve analysis for three different soils. Classify the soils according to the AASHTO classification system. Soil 1 2 3 No. 10 79 80 95 Percent passing No. 401 62 60 78 No. 200 6 33 45 L.L. 38 36 P.L. N.P. 29 16
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Problem 2: Classify the following soils using USCS Sieve analysis- Percent finer Soil No. 4 No, 200 Liquid limit Plasticity index 1 70 30 33 21 48 20 41 22 3 95 70 52 28 Classify the following soils using AASHTO Sieve analysis-Percent finer Soil No. 10 No. 40 No. 200 Liquid limit Plasticity index 1 85 55 45 28 20 92 75 62 43 28 3 97 60 30 25 16
Classify the following soil using U.S. Department of Agriculture textural classification chart. Determine soil C Particle Size Distribution (%) Soil A B C Loam Select the correct response. Sandy Loam Sandy Clay Gravel Clay 12 2 Sand 20 45 53 Silt 20 33 5 Clay 60 11 40
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Find the ff: Using USCS, determine the classification of soil A. Write the symbol and the corresponding soil classification (e.g. GW – Well graded gravel) Using USCS, find the classification of soil B. Write the symbol and the corresponding soil classification. (e.g. GW – Well graded gravel) Using USCS, compute the classification of soil C. Write the symbol and the corresponding soil classification. (e.g. GW – Well graded gravel)
• Particle size analyses were carried out on two soils-Soil A and Soil B-and the particle size distribution curves are shown in Figure % Finer Clay 100 90 80 70 60 50 40 30 20 10 0 0.001 + Silt Soil A Sand Soil B 0.01 0.1 1 Particle size (mm) - log scale Gravel 10 Soil A B 1. Classify these soils according to USCS and ASTM-CS 2. Is either of the soils organic? LL 26 (oven-dried; assume same for not dried) Nonplastic PL 18
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