The following data was obtained from sieve analysis test Sieve No. Sieve Mass of Mass of sieve empty sieve (g) + retained soil (g) opening (mm) 4.75 754.4 773.44 8 2.36 696.56 745.44 16 1.18 624.6 667.7 30 0.6 575.49 616.23 50 0.3 531.01 606.63 100 0.15 521.65 729.33 200 0.075 502.72 562.83 pan 484.73 489.18 Total weight equals 500 g 1) complete the table to calculate the percentage finer 2) draw the grain size distribution curve on semi-log scale paper 3) calculate D1o, D30, D60 , Cu and Ce 4) classify the soil

The following data was obtained from sieve analysis test Sieve No. Sieve Mass of Mass of sieve empty sieve (g) + retained soil (g) opening (mm) 4.75 754.4 773.44 8 2.36 696.56 745.44 16 1.18 624.6 667.7 30 0.6 575.49 616.23 50 0.3 531.01 606.63 100 0.15 521.65 729.33 200 0.075 502.72 562.83 pan 484.73 489.18 Total weight equals 500 g 1) complete the table to calculate the percentage finer 2) draw the grain size distribution curve on semi-log scale paper 3) calculate D1o, D30, D60 , Cu and Ce 4) classify the soil

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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Use the table and the curve of the particle size distribution and answer the following questions: 1. What is the percentage of the soil retained on * ?sieve# 4O Percent opening passing (finer) Sieve Sieve 100 No. 90 (mm) 80 3" 75 100.0 70 * 60 * 50 4 4.75 80.1 10 2 74.8 40 20 0.85 57.0 30 30 0.6 47.1 20 40 0.425 33.9 10 60 0.25 7.4 140 0.106 3.4 0.01 0.1 1 10 100 200 0.075 1.6 Particle size (mm) Pan (a) 33.9 % C (b) 47.1% O (c) 52.9 % (d) 66.1 % Percent finer by weight
2b. The following data was obtained from Sieve Analysis conducted at a Soil Lab. Using the data given in Table 02 determine: Table 02: Sieve analysis data of coarse-grained soil i. ii. iii. + Sieve Opening (mm) 20 10 4.75 2.36 1.18 0.6 0.3 0.15 0.075 Pan Mass of Soil Retaining on each Sieve (g) 5.21 20.21 180.21 360.21 280.11 70.11 50.21 17.21 10.11 8 Percentage of clay, silt, sand and Gravel in the soil sample Uniformity coefficient and coefficient of curvature Classify the soil according to BS soil classification system
Problem A: For questions 1 to 7. In the given results of the sieve analysis of a soil. Calculate the following; U.S. Opening Mass Sieve (mm) Retained, grams 4 4.75 10 2.00 21.6 20 0.850 49.50 40 0.425 102.60 60 0.250 89.10 100 0.150 95.60 200 0.075 60.4 Pan 31.2 Sum 1) For the problem above the most probable value for D10=. a) 0.15 mm 2) For D30 =_ a) 0.17 mm 3) For Dso = ? a) 0.27 mm 4) The Uniformity coefficient will be ? a) 4.56 5) The Coefficient of Gradation is? a) 0.90 6) The particle size distribution curve is what type? a) Gap-graded 7) Using the AASHTO system what is the percentage of sand? a) 6.90 b) 0.25 mm c) 0.67 mm d) 0.09 mm b) 0.27 mm c) 0.185 mm d) 0.03 mm b) 0.41mm c) 1.05 mm d) 0.21 mm b) 4.78 c) 3.98 d) 4.21 b) 0.93 c) 0.96 d) 1.15 b) Poorly Graded c) Well-graded b) 4.88 c) 72.90 d) 88.30
Question 44 The given data shows a sieve analysis of a soil sample. Classify the soil using AASHTO Method. Tables are provided below. Sieve No. Diameter (mm) Percent Passing No. 4 No. 8 No. 10 No. 20 4.760 96 2.380 80 2.000 78 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 45 PL 36 General classification Granular materials (35% or less of total sample passing No. 200) A-I A-2 Group classification A-l-a A-1-5 A3 A-24 A-25 A-2-6 A-2-7 Sieve analysis (percent passing) No. 10 No. 40 No. 200 50 max. 30 max. 15 max. 50 max. 25 max. 51 min. 10 max. 35 max. 35 max. 35 max. 35 max. Characteristics of fraction passing No. 40 Liquid limit Plasticity index 40 max. 41 min. 40 max. 41 min. 6 max. NP 10 max. 10 max. 11 min. 11 min. Usual types of significant Stone fragments, gravel, and sand Fine Silty or clayey gravel and sand sand
Grain Size Analysis Problem Set No. 3 Sieve Analysis Results Hydrometer Analysis Results U.S. Mass of soil Time Diameter % finer by retained on each sieve (g) sieve (min) (mm) weight 3. Sieve analysis and hydrometer analysis were performed on a 550 g sample of soil the following results were obtained. Plot the particle size distribution curve for the soil. no. 0.0396 82.2 4 0.0285 68.8 10 14.8 0.0243 64.2 20 98 4 0.0214 59.7 40 90.1 8. 0,0156 53.1 100 181.9 15 0.0116 48.4 200 108,8 30 0.0083 43.9 PAN 56.1 60 0.006 39.5 240 0.0031 30.0 900 0.0017 22.9
Question 3 A sieve analysis was performed Sieve # 4 10 20 40 100 200 Pan Opening size (mm) 4.75 2 0.85 0.425 0.15 0.075 % Finer 80% For the soil passing # 40 sieve, Atterberg limits were measured as follows: Plastic Limit=29 and Liquid Limit = 36. (a) Fill the blanks in the table. (b) Plot the grain size distribution curve on the following semi-log graph. 100% 60% 40% 20% on a soil sample and the results are given below. Mass of soil retained (g) 0 43.4 80.6 124 186 124 62 0% 10.000 % Retained 1.000 E% Retained 0.100 % Finer 0.010 Grain Size (mm) (c) Extract the percentages of gravel, sand, and fine-grained soil (silt and clay). (d) Determine (1) the effective size (D10), (11) the Uniformity Coefficient (Cu), and (iii) the Coefficient of Curvature (Cc).
Q.2) Answer the following question. 1- The sieve analysis below was done for which type Weight of sample = 2000gm Sieve size in. (mm) 3/8" 9.5 mm No.4 4.75 mm No.8 2.36 mm No.16 1.18 mm No.30 0.6 mm No.50 0.3 mm No.100 0.15 mm Pan Percent Weight retained (g) retained 0 2000*100 94 →0 Klcc→ -2000 4032000X100 358-2009 08 72 2212000x100 Percent cumulative @ 4.7 20 i 75 982 57 360 72000 Alco isies 39 492-20000 24.614 · 100 > 95 3 of aggregate. Percent passing 0 5 25 уз 61 86 97 317 ASTM Limit 100 95_100 80_100 40 85 25_60 10_30 2_10
Problem 4: The following are the results of a sieve analysis. a. Determine the percent finer than each sieve and plot a grain-size distribution curve. b. Determine D10, D30, D60, for the soil. c. Calculate the uniformity coefficient Cu. d. Calculate the coefficient of gradation Cc. U.S. Sieve N 4 10 20 40 60 100 200 Pan U.S. Sieve N Mass of Soil Retained (g) Problem 5: Repeat problem 4 with the following data. 4 6 10 20 40 60 100 200 Pan 0 18.5 53.2 90.5 81.8 92.2 58.5 26.5 Mass of Soil Retained (g) 0 0 0 9.1 249.4 179.8 22.7 15.5 23.5
2. For the given data, shows a sieve analysis of soil samples A,B, and C. Diameter Soil A Soil B Soil C Sieve No. (mm) %Passing %Passing %Passing # 4 4.760 90 100 100 a. Classify soil sample A using USCS Method b. Classify soil sample B using USCS Method c. Classify soil sample C using # 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 USCS Method #100 0.149 9. 35 70 #200 0.074 4 33 63 LL 46 47 PL 29 24
5. The following information is obtained from a sieve analysis to determine the range of particle sizes in a granular soil sample. Sieve Size Sieve Opening (4.76) Percent Finer#4 4.76 96#10 2.00 80#20 0.84 51#40 0.42 38#60 0.25 25#100 0.149 12#200 0.074 5 Present the information as grain-size curve on semi-logarithmic coordinates of percent finer against particle size diameter. From the plot, determine the uniformity coefficient Cu.
2.8 2.7 The following are the results of a sieve and hydrometer analysis. Sieve number/ grain size Analysis Sieve Hydrometer Analysis Sieve 40 80 170 200 0.04 mm 0.02 mm 0.01 mm 0.005 mm 0.0015 mm Hydrometer Sieve number/ grain size Percent finer than a. Draw the grain-size distribution curve. b. Determine the percentages of gravel, sand, silt, and clay according to the MIT system. c. Repeat Part b according to the USDA system. d. Repeat Part b according to the AASHTO system. Repeat Problem 2.7 with the following data: 20 30 40 60 80 200 0.05 mm 0.03 mm 0.015 mm 0.006 mm 0.004 mm 0.0015 mm 100 96 85 80 59 39 26 15 8 Cengage Learning 2014 Percent finer than 100 96 90 76 65 34 27 19 11 7 6 5 Ⓒ Cengage Learning 2014
The following data are the results of a sieve analysis. Determine the percentage of silt and clay combined using Unified Classification System. Mass of soil Sieve no. Opening retained (mm) on each sieve 4 4.75 21.5 10 2 18.5 20 0.85 53.2 40 0.425 90.5 60 0.25 81.8 100 0.15 92.2 200 0.075 58.5 Pan 26.5 Select one: а. 19 b. none of the choices С. 6 d. 17 e. 58