Problem D: For problems 14 to 17. Classify the following soils by the AASHTO classification System. Description A В D 100 | 92 100 85 Percent finerthan No. 4 sieve 100 94 Percent finerthan No. 10 sieve 80 80 Percent finer than No. 40 sieve 96 71 78 51 Percent finerthan No. 200 sieve 72 56 59 15 Liquid Limit 58 35 42 26 Plasticity Index 23 19 13 12

Problem D: For problems 14 to 17. Classify the following soils by the AASHTO classification System. Description A В D 100 | 92 100 85 Percent finerthan No. 4 sieve 100 94 Percent finerthan No. 10 sieve 80 80 Percent finer than No. 40 sieve 96 71 78 51 Percent finerthan No. 200 sieve 72 56 59 15 Liquid Limit 58 35 42 26 Plasticity Index 23 19 13 12

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 the soil A & B using USCS system
A sieve analysis test was performed for a dry soil sample with a total weight (490 gm). Sieve Mass of Sieve & Sieve Mass of Opening Retained Soil No. Sieve (gm) (mm) (gm) #4 4.75 512.38 538.25 #10 2.00 464.38 520.68 #20 0.85 411.99 538.21 #40 0.43 368.57 536.42 #60 0.25 528.66 593.34 #200 0.075 340.89 385.07 Pan 374.07 378.97 Calculate the Cc and Cu O a. 1.25 and 3.47 b. 1.1 and 3.6 C. 1.7 and 4.3 O d. 2.1 and 2.3 Ое. 2.4 and 5.3
No.6
No.5
Classify a soil with 30% clay, 15% silt, 32% sand, and 23% gravel. 100 90 10 80, 20 30 70, Clay 60 40 50 50 Sandy 40 Clay Sitty Clay 60 Silty Clay Loam SandyClay Loám 30 Çlay Loam 20, 70 80 Loam Sift Loam Sandy Loan bamy San 10 90 Šilty /San 100 90 80 70 60 50 40 30 20 10 100 Percentage by Weight Sand a. Silt Loam b. Sandy Clay Loam c. Sandy Loam O d. Clay Loam Percentage by Weight Silt Percentage by Weight Clay
Classify soils A, B, C, and D based on the USCS (ASTM D2487 – 17) indicating the symbol and soil description. Additionally, classify the soils according to the AASHTO Soil Classification System indicating the name of the soil group as well as the GI. Sieve Opening (mm) Percent Passing (%) Soil D Soil C Sieve Number Soil A Soil B No. 4 4.750 78 75 60 78 88 88 No. 10 2.000 75 75 75 No. 18 1.000 60 60 60 No. 30 0.600 45 45 45 45 No. 40 0.425 30 30 30 30 No. 60 0.250 22 22 22 22 No. 100 0.150 15 15 15 15 No. 140 0.105 10 10 10 14 No. 200 0.075 8. 4 13 LL 60 60 20 20 PL 25 35 14 14
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
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
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1. Classify the following soils using USCS and give the group symbols. Sieve Analysis, % finer Soil Liquid Limit No. 4 No. 200 1 (SC) 70 30 33 2 (GC) 48 20 41 3 (CH) 95 70 52 4 (CL) 100 82 30 5 (CL) 100 74 35 6 (SC) 87 26 38 7 (CH) 88 78 69 8 (CH) 99 57 54 9 (SP-SC) 71 11 32 10 (SW) 100 2 11 (CL) 89 65 44 12 (SP-SC) 90 8 39 Plasticity Index 21 22 28 19 21 18 38 26 16 NP 21 31 Cu 4.8 7.2 3.9 Cc 2.9 2.2 2.1
The given data sohws a sieve analysis of a soild sample. Classify the soild using AASHTO Method. Sieve No. Diameter (mm) Percent Passing No. 4 4.760 96 No. 8 2.380 80 No. 10 2.000 78 No.20 0.840 61 No.40 0.420 56 No. 60 0.250 48 No. 100 0.150 39 No. 200 0.075 33 Characteristics of No. 40 Fraction LL 38 PL 29