The particle characteristics of a soil are given below. Size (mm) Percent finer (%) 0.850 100 0.425 93.7 0.250 89.0 0.150 81.3 0.075 67.6 0.040 57.8 0.020 47.8 0.010 40.8 0.006 35.4 0.002 29.0 Find the percentages of gravel, sand, silt, and clay according to the MIT system. (Enter your answers to two significant figures.) Fraction Grain size (mm) Percentage (%) Gravel >2 Sand 2 to 0.06 Silt 0.06 to 0.002 Clay <0.002 3.

The particle characteristics of a soil are given below. Size (mm) Percent finer (%) 0.850 100 0.425 93.7 0.250 89.0 0.150 81.3 0.075 67.6 0.040 57.8 0.020 47.8 0.010 40.8 0.006 35.4 0.002 29.0 Find the percentages of gravel, sand, silt, and clay according to the MIT system. (Enter your answers to two significant figures.) Fraction Grain size (mm) Percentage (%) Gravel >2 Sand 2 to 0.06 Silt 0.06 to 0.002 Clay <0.002 3.

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 from a sieve analysis are shown below. Plot the grain size distribution data using a computer on a semi-log plot (% finer on y-axis vs log of particle size in mm on the x-axis – you can download the plot from the lab 2 material). You can draw the curve through the points by hand. Show how you obtained the values you plotted. Sieve Number Mass of soil retained (g) 4 0 10 38 20 62 40 90 60 150 70 112 100 220 200 56 Pan 10
The results of the sieve analysis of soil A is tabulated below. Classify the soil according to AASHTO classification system and unified soil classification systems (USCS). Diameter (mm) 4.75 2.0 0.85 0.425 0.150 0.075 LL PL % Passing 100 93 85 80 55 50 18 70
Given below is the result of a sieve analysis done on a soil sample. Sieve No. Diameter Percent Passing % 4 4.750 95 10 2.000 89 20 0.850 71 40 0.425 47 60 0.250 21 100 0.150 14 200 0.075 7 Pan --- 0 Determine the value of the coefficient of uniformity. Round off to three decimal places.
8. The grain size analysis for a soil is given as: asso a. Plot a grain-size distribution curve. b. Determine D10, D30, and D60 from the grain-size distribution curve. c. Calculate the uniformity coefficient, Co. d. Calculate the coefficient of curvature, Co Sieve No. 4 10 20 40 60 100 200 Pan Mass of soil retained (g) 28 42 48 128 221 86 40 24 Cu= Duo / Dio (c = (P30)² 2²/D₁x Duo
Given below is the result of a sieve analysis done on a soil sample. Sieve No. Diameter Percent Passing % 4 4.750 95 10 2.000 88 20 0.850 70 40 0.425 50 60 0.250 21 100 0.150 13 200 0.075 5 Pan --- 0 Determine the value of the coefficient of uniformity. Round off to three decimal places.
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
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
The particle size characteristics of a soil are given in the table. Using USDA method, determine: Size (mm) Percent Finer 4.75 98 0.85 95 0.044 36 0.033 32 0.0062 19 0.0025 9. 0.0011 1. Percentage of gravel (in 4 decimal places) 2. Percentage of sand (in 4 decimal places) 3. Percentage of silt (in 4 decimal places) 4. Percentage of clay (in 4 decimal places)
Given below is the result of a sieve analysis done on a soil sample. Sieve No. Diameter Percent Passing % 4 4.750 95 10 2.000 83 20 0.850 69 40 0.425 50 60 0.250 27 100 0.150 13 200 0.075 7 Pan --- 0 Determine the value of the coefficient of uniformity. ROUND OFF TO THREE DECIMAL PLACES. USE STORED VALUES.
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
Given below is the result of a sieve analysis done on a soil sample. Sieve No. Diameter Percent Passing % 4 4.750 97 10 2.000 82 20 0.850 71 40 0.425 42 60 0.250 27 100 0.150 13 200 0.075 8 Pan --- 0 Determine the value of the coefficient of gradation/curvature. Round off to three decimal places.