Question 15 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 The liquid limit and plasticity index of the minus No. 40 fraction of the soil are 30 and 5, respectively. Compute the group index. 2 B 1

Question 15 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 The liquid limit and plasticity index of the minus No. 40 fraction of the soil are 30 and 5, respectively. Compute the group index. 2 B 1

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter4: Plasticity And Structure Of Soil

Section: Chapter Questions

Problem 4.4P: Results from a liquid limit test conducted on a soil are given below. a. Determine the liquid limit...

See similar textbooks

Similar questions

1. If a soil sample has a dry unit weight of 19.5 KN/m3, moisture content of 8%and a specific gravity of solids particles is 2.67. Calculate the following:a) The void ratio.b) Moisture and saturated unit weight.c) The mass of water to be added to cubic meter of soil to reach 80% saturation.d) The volume of solids particles when the mass of water is 25 grams for saturation Ans:a.) 0.343b.) 12.85% and 22 KN/m3 c.) 44.8 kgd.) 72.84 cm3 Please show your solutions and the final answers are provided above.
The weight of a cylindrical clay soil sample with a diameter of 39mm and a height of 78mm was 203.6gr.have been weighed. Its weight after being thrown in the oven was determined as 165.2gr. Specific gravity of this soil Gs= 2.69If (Gs=γs/γw), then the ground in this case;a) Natural unit weightb) Water contentc) Dry unit volume weightd) vacancy ratee) Calculate the percentage of saturation? (unit volume weight of water is 1.0 gr/cm3will be taken.)
Calculate the CEC of a 100g soil sample that was found to contain the following cations: Ca2+ = 0.12g Mg2+ = 0.024g K+ = 0.078g Al3+ = 0.027g NH4+ = 0.036g H+ = 0.002g
A soil sample has a unit weight of 1.9 g/cc and w=12%. If Gs of solids is 2.65, determine the volume of solids in cm3.
A fully saturated soil sample has a volume of 28 cc. The sample was dried in oven and the weight of the dry soil pat was found to be 48.76 g. Given G= 2.68. Determine volume of solids in cm3. a. 18.23 b. 9.77 c. 20 d. 53.6
A 0.030 cubic foot soil sample has a unit weights of 121.960 1b/ft3 when the saturation is 78.120% and 112.020 lb/ft? when the saturation is 40.680%. Determine the following: specific gravity of soil solids , void ratio , weight of the soil solids
Calculate the soil water content on volume basis when a soil sample weighs 512 g and that on oven drying weighs 477 g. The bulk density of the soil is 1.48 ???3⁄.
If Dynamic viscosity = 0.0008 kg/m sec; gravitational acceleration g (9.81 m/sec2), average particledensity = 2650 kg/m3), and water density at 25 oC = 997kg/m3). Now Using Stokes's law and the Canadian system of soil classification, calculate the time needed forthe soil separates up to clay mineral particles of size 0.0001 mm to settle out of a depth of 0.2 min an aqueous suspension at 25 oC. What will be the effect of particle size ranges on settling time. Discuss a bit.
A soil sample has a unit weight of 1.9 g/cc and w=12%. If Gs of solids is 2.65, determine the volume of water in cm3. a.0.377 b.0.212 c.0.12 d.0.092
6. 1kg of soil sample, placed after a period of time, the moisture content from 25% to 20%, the water in the soil decreased ( ).A. 0.06kg B. 0.05kgC. 0.04kg D. 0.03kg 8. When calculating the time factor Tv, if the soil is drained on one side, H in the equation is taken as the thickness of the soil layer ( ).A. half B. double C. 2 times D. 4 times
Problem 9:For a soil, the following are given: Gs = 2.67, moist unit weight γ = 17. 6 kN/m3, and moisture content w = 10.8 %. Determinea. Dry unit weightb. Void ratioc. Porosityd. Degree of saturation Problem 10:Refer to Problem 9. Determine the mass of water, in kilograms, to be added per cubic meter of soil fora) 80% degree of saturationb) 100% degree of saturation
A WET OF SOIL SAMPLE HAS A VOLUME OF 4.85 x 10^-4 m3 AND WEIGHS 8.5N. AFTER OVEN DRYING, THE WEIGHT REDUCES TO 7.5N. IF sg = 2.7DETERMINE THE UNIT WEIGHT. DETERMINE THE MOISTURE CONTENT. DETERMINE THE DEGREE OF SATURATIONAnswer in 4 decimal places with unit