Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
ISBN: 9781305970939
Author: Braja M. Das, Khaled Sobhan
Publisher: Cengage Learning
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Chapter 6, Problem 6.3P
To determine
Find the zero–air–void unit weights for a soil at different moisture contents.
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Calculate the zero-air-void unit weights (kN/m³) for a soil with Gs = 2,68 at moisture contents of 5, 10, 15, 20, and 25%. Draw a curve y for moisture content....
Given Gs = 2.75, calculate the zero-air-void unit weight for a soil in kN/m3 at w = 5%,8%, 10%, 12%, and 15%
14. Situation 14 - A 3-layer soil has the following properties from top to bottom:
a. Obtain the equivalent horizontal coefficient of permeability, in cm/sec. Round off to five decimal places.
b. Obtain the equivalent vertical coefficient of permeability, in cm/sec Round off to seven decimal places.
Chapter 6 Solutions
Principles of Geotechnical Engineering (MindTap Course List)
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- I need help on this soil problem.Thank You Calculate the permeability, K, for Bay mud after solving the following equation (gw is the specific weight of water and mv is the volume compression coefficient, which is about 0.001 1/kPa for Bay mud). Keep track of unitsarrow_forwardA saturated soil has a void ratio of 0.6 and specific gravity of 2.8. Compute the value of (a) the saturated unit weight, and (b) dry unit weight. Use only units of ft and lb.arrow_forwardKindly answer. Subject: Soil Mechanics Why would the actual pore pressure be affected by the degree of saturation of the soil?arrow_forward
- a. A soil specimen with volume of 0.60x10-4 m3 , weighs 0.105 kg. Its dry weight is 0.0802 kg, and Gs is 2.65. Compute • Water content m, % • Void ratio e and porosity n Degree of saturation Sr, %arrow_forwardA saturated soil specimen has w = 36% and ᵞd = 85.43 lb/ft3. Determine: i) Void ratio ii) Porosityarrow_forwardPROBLEM G The moist unit weights of the soil are 105.73 pcf and 112.67 pcf, and the respective degree of saturation are 50.0% and 75.0%, compute the values of the void ratio, porosity, and specific gravity of the given soilarrow_forward
- The unit weight of the fully saturated clay soil model is 18.6 kN/m3 and a moisture content of 36% in a drying oven. Unit weight is reduced to 17.2 kN/m3 Calculate: Shrinkage limit Specific weight of mudarrow_forwardA 100 cm3 soil weighed 165g when moist, then after oven drying, its weight was reduced to 130g. Assuming that Vp/Vt= 0.45 and Hs=15cm. Solve the following: a) the void ratio, e. b) the degree saturation, %s. c) the height of water (hw). d) the volume of solid.arrow_forwardA soil specimen having a volume of 0.012 m3 has a specific gravity of 2.60. It has a moist mass of 20.6 kg and a dried mass of 16.1 kg. Compute its void ratio.arrow_forward
- A saturated soil specimen has w = 36% and ᵞd = 85.43 lb/ft3. Determine: Porosityarrow_forwardDetermine the void ratio if the moist soil sample weighs 346g. After drying at 105oC, its weight is 284g. The specific gravity of the soil and the solids is 1.86 and 2.70 respectively.arrow_forwardCONSTANT HEAD PERMEABILITY TEST a. why the need to get the temperature of the collected water? b. what is the reason why we need a saturated specimen? c. why does the soil need to be compacted before undergoing the process?arrow_forward
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