Mechanical analysis on four different samples designated as A, B, Cand Dwere carried out in a soil laboratory. The results of tests are given below. Hydrometer analysis was carried out on sample D. The soil is non-plastic. Sample D. liquid limit = 42. plastic limit = 24. plasticity index = 18 Classify the soils per the Unified Soil Classification System. Samples ASTM Sieve Percentage finer than Designation 63.0 mm 100 93 20.0 mm 64 76 6.3 39 100 65 2.0 mm 24 98 59 600 212 63 A 20 12 90 54 5 9 47 100 2 34 95 23 69 46 2 31 Samples A,Bandc 100 60 20 Sand Coarse le medium Coles >76.2 mm Clay Silt Gravel Fine 0.001 001 0.075 0.1 10 100 Particle size (mm) Figure Ex. 3.21 Percentage finer

Mechanical analysis on four different samples designated as A, B, Cand Dwere carried out in a soil laboratory. The results of tests are given below. Hydrometer analysis was carried out on sample D. The soil is non-plastic. Sample D. liquid limit = 42. plastic limit = 24. plasticity index = 18 Classify the soils per the Unified Soil Classification System. Samples ASTM Sieve Percentage finer than Designation 63.0 mm 100 93 20.0 mm 64 76 6.3 39 100 65 2.0 mm 24 98 59 600 212 63 A 20 12 90 54 5 9 47 100 2 34 95 23 69 46 2 31 Samples A,Bandc 100 60 20 Sand Coarse le medium Coles >76.2 mm Clay Silt Gravel Fine 0.001 001 0.075 0.1 10 100 Particle size (mm) Figure Ex. 3.21 Percentage finer

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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The results of a sieve analysis are reported in table 1. The total weight of the sample was 500 g. Plot the gradation curve, calculate CU and Cz, and use these coefficients the determine whether the soil is well graded or poorly graded. Table 1. Results of the sieve analysis Sieve size Weight retained (g) # 4 #10 14.8 #20 98 # 40 90.1 #100 181.9 # 200 108.8 Pan 6.1
U B. ( A Soil Specimen has the following characteristics: % passing No.4 sieve = 85 % passing No.200 sieve = 11 D60 = 2 mm D30 = 0.35 mm D₁0 = 70 μm L.L = 36% P.L = 31% D8 = 2 µm 1. Classify the specimen according to the Unified Soil Classification System (USCS). Assign the group name and the group symbol. 2. Determine the soil activity. 3. Determine the soil Liquidity index and consistency index if we = 26%.
Soil mechanics
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Mechanical analysis on four different samples designated as A, B. Cand Dwere carried out in a soil laboratory. The results of tests are given below. Hydrometer analysis was carried out on sample D. The soil is non-plastic. Sample D D. liquid limit w 42, plastic limit = 24. plasticity index = 18 Classify the soils per the Unified Soil Classification System. Samples ASTM Sieve Percentage finer than Designation 63.0 mm 100 93 20.0 mm 64 76 6.3 39 100 65 20 mm 600 212 63 A 20 24 98 59 12 90 54 9. 47 100 34 95 23 69 7. 46 2 31 B and 100 60 20 Sand Course lo medium Cotles l>762 mm Clay Silt Gravel Fine 0.001 001 0.075 0.1 10 100 Particle size (mm) Figure Ex. 3.21 Percentage finer
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As a result of sieve analysis and hydrometer analysis on a soil sample, gravel 40% and sand 18%. Liquid limit value of the soil 58% and plasticity index was determined as 32%. D60, D30 and D10 values according to grain distribution curve 2.4mm, 0.9mm and 0.2mm respectively. According to the findings obtained, the soil sample Make USCS classification.
Question 11 The results of the particle-size analysis of a soil are as follows: Percent passing the No. 10 sieve = 80 • Percent passing the No. 40 sieve = 40 Percent passing the No. 200 sieve = 20 %3D The liquid limit and plasticity index of the minus No. 40 fraction of the soil are 30 and 5, respectively. Classify the soil by the AASHTO system. A A-2-4 B А-2-6 C) A-3 D A-2-5
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b) Determine D10, D30 and D60 for each soil. c) Calculate the uniformity coefficient and coefficient of gradation Cu and Ccrespectively.