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A 10,000 cubic yards fill along a forest road right of waywill be compacted using grid rollers to a unit weight of 120 poundsper foot cubed. the fill material will be hauled to the site in 12cubic yard dump truck that are tipically loaded to about 85% ofthere volume capacity. while in the truck bed, the fill material istipically rather loose and as been estimated to have a unit weightof 80 pounds per foot cubed. each truck dispatched to the projectcan haul 8 loads per day.
How many days will be required for fill construction if 2trucks, 4 trucks, or 6 trucks are dispatched to the project?
A-Olympus Mons, a 69,000-foot-tall mountain on Mars, is the largest volcano in the solar system. Its circumference at the base is large enough to cover almost the entire state of Colorado.
Chromium contamination is a problem at a number of hazardous-waste sites. At one site local concentrations of chromium reached 60,000 mg chromium/kg soil and 19,000 mg/L chromium in the water.
A site is underlain by a soil that has a unit weight of 118 lb/ft^3. From laboratory shear strenght tests that closely simulated the field conditions, the total stress parameters were measured to be C_T=250 lb/ft^2
A liquid of 80 mole percent propane and 20 mole percent n-pentane is to be diluted with methane. Will all mixtures of the liquid and methane be single phase at 160 F and 500 psia
A 24-inch pipeline branches into a 12-inch and an 18-inch pipe, each of which is 1 mile long, and they re-join back into a 24-inch pipe. If the flow rate is 30 CFS in the main pipe
List the densities in solid, liquid and gaseous state. Also compare the densities for each of them and calculate the density it will have in any ideal gas state.
emissions from waste oil combustion may be estimated using ap-42 1.11. A small boler is operated from 10/15/2012 through 4/15/2013 and it is used to burn 45 gallons per hour of a blended waste oil having an ash content of 7%
a cantilevered bean has a lenght of L, a cross section area of A, and a flecural rigidity of EI. The free end is free to rotate and displace due to bending. derive the stiffnes of the cantilevered bean. Assume small deformations.
The company engineer decides that this is too good, that it is not necessary to be this efficient, and proposed that part of the flue gas be bypassed around the electrostatic precipitator so that the recovery of fly ash (particulates) from the flu..
we have the I-section made of steel (E = 29,000 ksi) which is to be used as a column, pinned at the top, and fixed at the base. Bracing is to be added in the direction of the weak buckling axis, at an unknown height, H.
A 245 m ship has a displacement of 3x10^8N,and the area defined by the waterline is 3550m^2. will the ship take more or less draft when steaming from salt water to fresh water How much will it settle or rise
When stationary, vehicles are spaced at average distance headway of 6 m. It may be assumed that there is a linear relationship between speed and density. When the traffic flow approaching the roadworks is 3500 vehicles per hour
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