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A cone penetration test has been conducted and has measured a con resistance of 85 kg/cm^3 at a depth of 10m. the vertical effective stress at this depth is 159KPa and the over consolidation ratio is 2, The soils at this depth are quartz sands. Compute the relative density.
A barge measures 10 ft (depth) by 35 ft by 120 ft and weighs 100 U.S. tons. The barge floats in fresh water (specific weight = 62.4 lb/ft3) and is evenly filled with 38,000 bushels of corn (60 lb/bushel).
You arrive at your bus stop at some random point in the cycle, what is your expected wait time, w(t), to board a bus. Be sure to show your work or you will lose points. What is the standard deviation in w(t) given the fact that there is no bus wait..
Determine the magnitudes of the additional loads that must be applied at B and F if the resultant of all six loads is to pass through the center of the mat.
A smart, anti armour weappon is launched of an aircraft flying at 250 knots (422 FT/s) straight and level at an altitude of 300FT above the ground, the weapon is released from the aircraft with an initial downward velocity of 15FT/s.
What superelevation rate would you recommend for a roadway with a design speed of 100 km/hr and a radius of curvature of 500 m? Assume f = 0.11.
Compute the amount of chlorine required for disinfection in pounds per day(lb/d). Estimate the annual cost for disinfection using chlorine. Flow Rate= 30 milloin gallons per day.
Determine the highest BODu concentration possible in the effluent which can still achieve the permitted requirement of a DO greater than 5 mg/L year round.H =4 m (assume no change due to wastewater flow)
The long-term average January precipitation in the Colorado River basin is 1.11 inches, with a standard deviation of 0.60 inches. Assuming a normal distribution, what is the probability that less than 0.5 inches of precipitation will occur in any ..
If the max load is applied to the cylinder (6"x12") or (150x300mm) up to P=500 kips, what would be the compressive strength of concrete for (a) cylinder, (b) 150mm cube, and (c) 200mm cube.
Effective stress is defined as the overburden soil pressure less the buoyancy effect of water. What is the effective stress 20 feet deep if the specific weight of the dry soil is 113 pcf and the water table is 11 feet deep
A system consists of liquid oxygen in equilibrium with oxygen vapor. How many phases are present The system undergoes a process during which some of the liquid is vaporized.
(a) What are some of the properties that make aluminum an extremely useful engineering material (b) How is aluminum oxide extracted from bauxite ores (c) How is aluminum extracted from pure aluminum oxide
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