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Question: soil mechanics...

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Soil mechanics
1) What is the different between the constant head and the falling head tests? What are the uses and applications of each tests? 2) Calculate the Flow Rate q for a soil specimen that had 400 ml of water run through it in 25 secs? (keep units as per the questions) 3) What it means to have high or low hydraulic conductivity k? Does day and silt have high or low hydraulic conductivity? 4) Calculate the hydraulic conductivity for the same soil specimen in problem 2 that has a length of 15 cm and cross-sectional area of 35 cm 2 and water head deference of 30 cm? 5) What is the type of soil in problem 4? 6) What factors might have significant influence on soilrs hydraulic conductivity k? 7) Can void ratio be grader then one? State your resonating? 8) If water is added to the soil specimen will (d) increase or decrease? Why? 9) When setting up the permeability test should the soil specimen be saturated or not? Why? 10) What does Hydraulic gradient of soil mean? What are the units for the Hydraulic gradient?
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