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The following data was obtained from a consolidation test of a clay soil. Void Ratio Pressure-psi 0.808 3.63 0.791 7.25 0.770 14.5 0.732 29.0 0.735 14.5 0.750 3.62 0.742 7.25 0.723 29.0 0.674 58.0 0.610 116.0 0.545 232.0 0.560 58.0 0.492 14.5 0.630 3.63 Initial void ratio was 0.825 and the overburden pressure is 18.9psi. The specimen was taken from a 40ft thick clay layer. If an embankment is placed that adds an average additional stress of 32psi to the clay, compare the settlement from the laboratory consolidation test to the settlement from the estimated field consolidation curve.
A 600 MWe power plant has an efficiency of 36% with 15% of the waste heat being released to the atmosphere as stack heat and the other 85% taken away in the cooling water.
Tank A has a volume of 100 liters and contains saturated vapor r-134 at 30C. With the valve open slightly flow enters cylinder B. a pressure of 200kpa is required to lift piston in b. the process ends when the pressue at A drops to 200kPa.
The flow in the river is 30ft^3/min and the first-order rate constant for disinfection is 6min^-1. 1)What kind of hydrodynamic model should you use. 2) write the mass balance equation for microorganisms in symbols at steady state. define symbols.
A car collided with a telephone pole and left 20 ft skid marks on the dry pavement. Based on the damages sustained, an engineer estimated that the speed at collision was 15 mph. If the roadway had a +3% grade, calculate the speed of the car at the..
material for an earth fill was available from a borrow sites at a cost $ 6 .4 per cubic meter and a void ratio of 0.8. in the compacted state the fill measured 100,000 m^3 at a void ratio of 0.7.
a level test track has a coefficient of road adhesion of 0.80, and a car being tested has a coefficient of rolling friction that is approximated as 0.018 for all speeds. the vehicle is tested unloaded and achieves the theoretical minimum stop in 1..
A fluid in an aquifer is 23.6m above a reference datum; the fluid pressure is 4390 N/m2. The fluid density is 0.999E3 kg/m3. What is the total energy per unit mass What is the total energy per unit weight
A sample of six items is drawn from this lot. Find: a) the probability that none of the sampled items are defective b) the probability that one or more of the sampled items is defective c) the probability that exactly one of the sampled items is d..
A concrete mix witha 3-inch slump, w/c rtion of .5, ans sand with a fineness modulus of 2.4 contains 1700 lb/yd^3 of coarse aggregate. compute the required weight of coarse aggregate per cubic yard.
determine the pressure head at the nozzle inlet to produce a water jet velocity of 40 ft/s. Neglect the friction loss and assume incompressible flow.
The head difference between manometer levels was 4.9 cm during the test, and the water temperature was 20 degrees celcius. If it took 152 second for 500 ml of water to discharge, determine the soil's coefficient of permeability.
An automobile company is planning to build a 1.8 million square foot factory in Auburn. Estimate the expected number of trip ends at the factory on an average weekday.
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