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Undrained Shear box tests were carried out on a series of soil specimens with the following results:
Total Normal Stress (kPa) Total shear stress at failure (kPa)1 100 982 200 1393 300 1804 400 222
Determine the cohesion and the angle of friction of the soil on the basis of total stresses.
Suppose a watershed in Athens, Georgia has 25 acres pasture (CN=70) and 50 acres wooded (CN=55). Determine the excess rainfall (in inches) and runoff volume (cubic feet) assuming the design rainfall is 25-year, 24-hour.
A manometer of water reads a height of 20cm at a temperature of 15 degrees C. If the diameter of the manometer tube is 1mm, what is the static height reading
Discuss and use examples to explain the specific factors that you will need to consider when pricing the following items in the bill of quantities foundation excavation
Determine the critical load of a round wooden dowel that is 0.9m long and has a diameter of (a) 10mm (b) 15mm. Use E=12GPa
The piezometers are 280 m apart. The difference in piezometric head bewteen the two is 1.4 m. The aquifer hydraulic conductivity is 50 m/d and the porosity is 20%.
The plate is submerged in a liquid is a vertical position with the parallel sides horizontal and the shorter parallel side at the top and exactly in the surface of the liquid.
mechanical oscillations can be described in general by the following function: y(t)= e^(-t/m) *sin(wt+phi). where (t) is time and (w) is the oscillation angular frequency in radians per unit time.
Determine the minimum distance from the diversion that a road sign should be located informing drivers of the temporary change on the highway. The letter height on the road sign is 5 inches.
Air enters an adiabatic nozzle steadily at 300 kPa, 200?C, and 30 m/s and leaves at 100 kPa and 180 m/s. The inlet area of the nozzle is 80 cm2. Determine (a) the mass flow raw through the nozzle, (b) the exit temperature of the air, and (c) the e..
At a section in a beam the tensile stress due to bending is 70 N/mm2 and there is a shear stress of 25 N/mm2. Determine from first principles, the magnitude and direction of the principal stresses
Determine the transformed moment of inertia for the beam using steel as the reference material. Express your answer in in^4 to the nearest 0.1 in^4.
Farah Manufacturing wants it's investments to double in value in 4 years, what rate of return would it have to make on the basis of (a) simple interest (b) compound interest
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