Draw a grain size distribution curve and find the median size (D50), effective size (D10), and coefficients of uniformity and of curvature for a soil sample that has the following test data for mechanical grain-size analysis: U.S. Sleve Size Size Opening (mm) Mass Retained (g) 3/8 in 9.50 O No. 4 4.75 42 No. 10 2.00 146 No. 40 0.425 458 No. 100 0.150 218 No. 200 0.075 73 Pan 63

Draw a grain size distribution curve and find the median size (D50), effective size (D10), and coefficients of uniformity and of curvature for a soil sample that has the following test data for mechanical grain-size analysis: U.S. Sleve Size Size Opening (mm) Mass Retained (g) 3/8 in 9.50 O No. 4 4.75 42 No. 10 2.00 146 No. 40 0.425 458 No. 100 0.150 218 No. 200 0.075 73 Pan 63

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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Problem 2 A sample was shaken through a nest of sieves and the results are obtained. The initial soil mass of the soil sample is 500g. Draw the particle size distribution curves and interpret the graph. Mass Retained Sieve No. Diameter (mm) (gram) 4 4.75 0 10 2.00 40.2 20 0.85 84.6 30 0.6 50.2 40 0.425 40.0 60 0.25 106.4 140 0.106 108.8 200 0.075 59.4 Pan 8.7 Determine the: 6. Percentage Loss in Soil Mass 7. Particle Size (%Gravel, % Sand, % Silt and %Clay) according to USCS 8. Effective Grain Size (D10) 9. Coefficient of Uniformity (Cu) 10. Coefficient of Curvature/Gradient (Cc)
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A sieve analysis of a soil sample of weight (400 g) was performed and the results were as follows. Required 1-Find the% passing and plot the gradient gradient. 2-Find the regularity coefficient and the Cu gradient
Situation 3. Following are the results of a sieve analysis. Determine: a. Cu b. Cc c. So Sieve No. 4 6 10 20 40 60 100 200 Pan Diameter (mm) 4.760 2.380 2.000 0.840 0.420 0.250 0.149 0.074 Soil Sample Mass Retained (g) 100 180 86 160 105 134 110 65 45
Problem 1: A sieve analysis of 1,135 grams of fine rock yields the following data in the table. The size of a sieve Restrained in each a Through a sieve(gr) sieve (gr) % in 1135 ½ in 56 1079 % in. 171 908 NO.4 262 646 NO.8 203 443 NO.30 182 261 NO.50 68 193 NO.100 57 136 NO.200 51 85 Pan 85 The total weight of example 1135 grams
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Geotechnical Engineering
3. The following are the results of a field unit weight determination test performed on the soil by means of the sand cone method. Calibrated dry density of Ottawa sand = 1570 kg/m³ Calibrated mass of Ottawa sand to fill the cone = 0.545 kg Mass of jar + cone + sand (before use) = 7.59 kg Mass of jar + cone + sand (after use) = 4.78 kg Mass of moist soil dug from hole = 3.007 kg Water content of moist soil = 10.2% Max dry unit weight = 19 kN/m³ a. Determine the moist unit weight of compacted soil in kN/m³. b. Find the dry unit weight in kN/m³. c. Compute the relative compaction in the field.
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