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A rectangular building is to be constructed on a site where the soil profile consists of 3m of dense sand overlying a 5m thick layer with an over-consolidation ratio of 1, which overlies rock. The soil properties of the clay are Cc = 0.25, Cr = 0.05, gsat = 18 kN/m3, for the sand gsat = 18 kN/m3, and the water table is 2 m below the soil surface. Determine the settlements when a stress of 100 kPa is applied by the building over an area of 10m × 5 m on the soil surface.
A constant head permeability test was conducted on a clean sand sample. The diameter and length of the test specimen were 10 cm and 12 cm respectively.
The viscosity of the film of oil separating the piston from the cylinder is 0.020 lb.s/ft. Calculate the force required to maintain this motion.
The total flow then moves to a point W on the traction drive two metres off the ground, and travels through a nine millimetre diameter conduit. Ignoring all friction and minor losses, determine the pressures at points H and W.
Determine the required pumping rate. the aquifer has T= 1600 m 2 /day and the wells each have radius of influence of 600m.
You are a real estate salesperson working for Good Earth, Realtors, Inc. You receive 50 percent of all commissions received by the firm (net of MLS fees) for which you were either the listing agent or the selling agent.
Engineering ethics concepts and cases
The IIT components of ownership cost based on average annual value are: Tax-3%, Insurance -4%, and Interest-7%. a) What is the average annual value?
The two shafts in a speed-reducer unit are subjected to couples of magnitude M1 = 18 N · m and M2 = 7.5 N · m, respectively.
assuming that the contaminant travels mainly by advection, propose any operational changes to the given layout to prevent the river from being contaminated.
If bod5 and ultimate bod of a municipal wastewater are 200mg/l and 457 mg/l respectively what is the reaction rate constant? a) .265 b) .050 c) .115 d) .165
A falling-head permeability test was carried out on a clay soil of diameter 100 mm and length 150 mm. In 4 minutes the head in the standpipe of diameter 5mm dropped from 680 to 350 mm.
The central angle is 35 degrees, the superelevation is 0.08, and 20.6 ft is cleared (for sight distance) from the inside edge of the innermost lane. Determine a maximum safe speed (assuming current design standards) to the nearest 5 mi/h.
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