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Compute the stresses and deflections at the corner of the slab according to Westergaard and Ioannides. Compute the stresses and deflections at the edge and interior according to Westergaard. For the edge condition, compute the stresses when the entire wheel is on the slab, as well as when half of the wheel is on the slab. Develop a table of the stresses and deflections according to each method and comment on the table in one paragraph (which is largest, smallest, etc. and why). In your answer be sure to comment on the interaction of stiffness, stress, and deflection in terms of the three locations.
– 10,000 lb total load
– 4 million psi modulus
– Poisson Ratio 0.15
– Modulus of subgrade reaction 100 pci
– Slab thickness 10 in
– Radius of loaded area 6 in
What is the magnitude of the maximum stress that exists at the tip of an internal crack having a radius of curvature of 5.5× 10-4 mm (2.165 ×10-5 in.) and a crack length of 3.5 ×10-2 mm (1.378 × 10-3in.)
A slurry containing 20 percent by weight of limestone (CaCO 3 ) is processes to separate pure dry limestone from water. If feed rate is 2000kg/h, how much CaCO 3 is produced per hour?
A 25-W compact fluorescent lightbulb (CFL) produces the light equivalent of a 100-W incandescent bulb. The population of North America is estimated to be about 305 million.
Determine the actual field weight required to mix a 4 bag mix using the mix proportions given below. The excess moisture contet of the sand is 6% and that of the gravel is 2% Component Weight ..
What will be the value of the vertical stress at this point immediately after the fill is placed, before any consolidation has occurred. What will it be after consolidation is completed.
an insulated tank is evacuated. Air from the atmosphere at 12 psia and 70 degrees farenheight is allowed to flow into the 100 cubic foot tank. What is the final temp and the final mass of air in the tank just after flow ceases.
Three shafts and four gears are used to form a geartrain which will transmit 7.5 kW from the motor at A to a machine tool at F. (Bear- ings for the shafts are omitted from the sketch.) Knowing that the frequency of the motor is 30 Hz
a paved parking lot section has a uniform slope over a length of 100 m in the flow direction from the point of a
If water at 70 degrees C (row=1.94 slugs/ft^3, vapor pressue= 0.363psia) is used in a simple barometer what is the height of the column of water if the atmospheric pressure is 15 psia
A wood cube with 9 inch sides is inserted into water. The specific gravity of wood is 0.60. What force will need to be applied to the block downward to hold the wood cube completely submerged in water
Output the water surface pro le plots with all 3 discharges, including the water surface, energy grade line, and critical depth line. Hint: You only need to de ne 3 cross-sections (1 upstream one at the slope break, and 1 at the downstream locatio..
A firm's stockholders expect a 15% rate of return, and there is a $12M in common stock and retained earnings. The firm has $5M in loans at an average rate of 7%. The firm has raised $8M by selling bonds at an average rate of 6%
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