1. A soil sample weighs 14.46 N and has a volume of 0.000991 m³. The specific gravity is 2.65. The volume of air is 0.000167 m³. Find the dry unit weight of the original soil sample (kN/m³). A. 15.62 B. 13.25 C. 10.24 D. 17.85

1. A soil sample weighs 14.46 N and has a volume of 0.000991 m³. The specific gravity is 2.65. The volume of air is 0.000167 m³. Find the dry unit weight of the original soil sample (kN/m³). A. 15.62 B. 13.25 C. 10.24 D. 17.85

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter2: Geotechnical Properties Of Soil

Section: Chapter Questions

Problem 2.27P

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Question

1. A soil sample weighs 14.46 N and has a volume of
0.000991 m³. The specific gravity is 2.65. The volume of
air is 0.000167 m³. Find the dry unit weight of the original
soil sample (kN/m³).
A. 15.62
B. 13.25
C. 10.24
D. 17.85

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1 Situation 2 A soil sample in its natural state, when fully saturated, a water content 36.2%. Assume Gs = 2.69. 16. Calculate the void ratio. A. 0.974 C. 0.789 B. 0.563 D. 0.934 17. Calculate the total unit weight of the soil in kN/m³. A. 17.52 C. 20.38 B. 19.32 D. 18.21 18. Calculate the total weight of water required to saturate a soil mass of volume 10m³. A. 48.4 KN C. 45.3 kN D. 56.7 kN B. 50.7 KN
Classify this soil for sandy soil if the submerged unit weight equal to water unit weight emax = 0.85 and emin = 0.259 Assume ( Gs ) .
SITUATION 1: The moist unit weight of the soil taken from the field is 1900 kg/m3 and the moisture content is 11.5%. The unit weight of solid soil is 2600 kg/m3. 8. Determine the dry unit weight. a. 1380.26 kg/m? b. 1550.67 kg/m? c. 1704.03 kg/m d. 1993.72 kg/m? 9. Determine the void ratio. a. 0.451 C. 0.632 b. 0.526 d. 0.581 10. Determine the degree of saturation. a. 0.461 C. 0.569 b. 0.521 d. 0.502
F1
Question 6
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Question 3 4 pts Assuming the groundwater table is at ground surface and the soil bulk unit weight is 20KN/m3. At 2m depth below ground level. The pore water pressure is approximately: 200 kPa O 9.8 kPa O 98 kPa O 19.6 kPa Question 4 4 pts A soil sample is placed in a 1m long and 10cm diameter tube. A constant supply of water is allowed to flow from inlet to outlet. The total water head at the inlet is 2m and the total water head at the outlet is 1m. The hydraulic conductivity is 0.001 cm/s. Which of the following answer is correct? O The flow velocity is 25 cm/s O The hydraulic gradient in the tube is 2 O The flow velocity is 0.001 cm/s O The hydraulic gradient in the tube is 0.001
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
ps. not graded, don't mind the circles
For a given soil, show that
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