Home work :1- Following are the results of a sieve analysis: Mass of soil retained on each sieve U.S. Sieve No. (g) 4 10 21.6 20 49.5 40 102.6 60 89.1 100 95.6 200 60.4 pan 31.2 |- Plote the grain -size distribution curve. Il- Calculate the uniformity coefficient ,Cy, and cofficient of gradati A)-For a soil given: D10 =0.1 mm D30 = 0.41 mm D60 = 0.62 mm B)-for a soil given: D10 = 0.082 mm D30 = 0.29 mm D60 0.51 mm

Geotechnical engineering soil mechanics What are the percentages by mass of gravel, sand , sily and clay particles in the soil sample following the USCS standard size.

Show solution for prob 6

Pls fast hand written solution

The following data are the results of a sieve analysis. Detemine the percentage passing on sieve #60. Mass of soil Sieve no. Opening retained (mm) on each sieve 4 4.75 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: a. none of the choices b. 53 c. 92 d. 82 59

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

What is dry unit weight of the soil sample below (ya) in Ib/ft ? The combined weight of a mold and the compacted soil sample is 8.8 lb The mold's volume is 1/30 ft3 The mold's weight is 5 lb The soil sample's water content is 14% Please ROUND to the nearest Thousandth (i.e., 0.001). Enter only numbers (Do not enter units!). Answer:

I want the solution in less than 15 minutes

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

Soil mechanic