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Question: A 4m deep clay layer is underlain by impermeable shale. A sample of clay from the layer is subjected to an appropriate increment of stress in a consolidation test giving the following results:
· Sample height at start of increment: 55mm.
· Sample height 2 minutes after start of increment: 53mm.
· Sample height at end of increment: 48mm.
If gravel fill is placed over the clay layer how long would it take for 80% consolidation of the clay to occur?
Given a sand with a moisture content of 10%, how much water needs to be added to bring the sand to a moisture content of 20%
Determine the minimum necessary clearance height of the overpass and the resultant elevation of the bottom of the overpass over the PVI. (ignore the cross-sectional width of the overpass)
Compacted one cylinder of the soil describes above problem 1 to compare the new results with shown above. The data obtained included a water content of 32.5% and a total density of 121.9 pcf. Comment on these new findings.
Determine the maximum force P that can be applied without causing the two 50-kg crates to move. The coefficient of static friction between each crate and the ground is 0.25 The crates are next to each other connected
What is the major head loss in a coarse concrete pipe with a diamter of 1ft that is 100 ft long. Water flows at a rate of 20 ft^3/s (viscosity of water = 2.344x10^-5 lbfs/ft^2, density of water = 1.94 slugs/ft^3) 1inch = 25.4mm
Determine suitable footing dimensions to suit the bearing capacity of 100kPa with a factor of safety 2.4
A 50-kg iron block at 80C os dropped into an insulated tank that contains 0.5m^3 of liquid water at 25C. determine the temperature when thermal equilibrium is reached.
A rigid tank whose volume is 10L is initially evacuated. A pinhole develops in the wall, and air from the surroundings at 1 bar, 25 degrees Celsius enters until the pressure in the tank becomes 1 bar.
4 in diameter pipeline 200ft long discharges water from nozzle with 2 in diameter jet at an elevation which is 100ft below the water level of supply reservoir. find flow rate through pipe
An aggregate blend is composed of 53% coarse aggregate by weight (sp. gr. 2.702), 43% fine aggregate (sp. gr. 2.621), and 4% filler (sp. gr. 2.779)/ The compacted specimen contains 6% asphalt binder (sp. gr. 1.052) by weight of total mix, and has a b..
At Point A in a pipeline carrying water (? = 62.4 lb/ft3) the diameter is 3.0 ft, the pressure is 11 psi, and the velocity 4 ft/s. At Point B, 6 ft higher than Point A, the diameter is 2.5 ft and the pressure is 4 psi
Write a user friendly computer program to design torsion reinforcement in rectangular and flanged beams, and plot the cross-sectional reinforcement details on a graphic plotter
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