The hydraulic gradient of a soil of specific gravity 2.67 and void ratio 0.45 is 0.46, calculate the safety factor.
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- How to solve this question? A soil has a dry density of 1.84 g/cm3 and void ratio of 0.45. Calculate the factor of safety against quick sand condition if the hydraulic gradient is given as 0.46.State the Empirical Relationships for Estimating Hydraulic Conductivityin Clayey Soil ?Find the flow rate of water in cm3 /s if the value of soil permeability is 0.9 cm/s, hydraulic gradient is 1.25, and the diameter of the soil specimen is 175 mm.
- The specific gravity of sand particles is 26.6 kN/m3. The porosity of the sand mass in both its least andmaximum compactness is 45% and 37%, respectively. What is the critical hydraulic gradient if n=37%?Answer the ff: a) What is the value of the hydraulic gradient b) The unit weight of the saturated soil layer is ? c) What is the rate and direction of seepage? d) The moisture content of the fully saturated soil layer is?Value of hydraulic conductivity of a sand is 0.010 cm/sec at a porosity of 0.45. Determine the hydraulic conductivity of sand at a porosity of 0.50?
- Determine the horizontal and vertical equivalent hydraulic conductivity for the following stratified soil. Take depth of each layer equal to 1.25 m Layer Hydraulic Conductivity (cm/s) 1 0.003 2 0.0003 3 0.002 4 0.0004A soil sample has a dry unit weight of 17.92 kN/M3 and a void ratio of 50% .Compute the hydraulic gradient of the quicksand condition .Is it suitable to perform constant head permeability test on clayey soil to determine its hydraulic conductivity? State your answer with valid reasons.
- The vertically upward flow of groundwater (an artesian condition) occurs through a sand deposit where the void ratio is 0.60 and the specific gravity of soil particles is 2.65. What hydraulic gradient is necessary for a quicksand condition to develop?For a sandy soil with Gs 2.68, calculate the critical hydraulic gradient that willcause boiling or quick condition for e 0.38, 0.48, 0.6, 0.7, and 0.8. Plot thevariation of icr with the void ratio.Determine the seepage velocity, in cm/min, if the porosity of soil is 0.30.