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The relative density of a sloped sand deposit is known to be 75%. Water is observed to be seeped through this slope at a rate such that the discharge velocity is 0.6 m/day. If the hydraulic conductivity for this deposit is 4×10-4 m/s. Calculate the gradient under which the flow is occurring. What is the value of seepage velocity? emax and emin (determined from laboratory tests) for this sand are equal to 0.75 and 0.46, respectively.
Starting from x = 0 with no initial velocity, the acceleration of a race car is defined by the relation a = 6.8e-0.00057x, where a and x are expressed in m/s2 and meters, respectively. Determine the position of the race car when v = 30 m/s.
A lead-zinc mine is to be developed by a room-and-pillar layout. The mine is located at a depth of 500ft, the overlying rock has an average specific gravity of 2.56, and the pillar rock wast tested and found to have a
An electronic device is available that will reduce year'slabor cost by $10,000. the equipment is expected to last for eightyears. If labor is cost increase at an average rate of 7% per year and the interest rate is 12% per year
Three pipes in a parallelsystem run between points A & B on a water distribution network delivering 400L/s. Pipe 1 is a 350 mm PVC main 4000 m long, Pipe 2 is a concrete pipe 250 m long and 80 mm in diameter
Weighting these by their global warming potentials, what fractionof the total impact of that year's emissions of these three gaseswould be caused by each gas over the following time periods?
how far back from the front axle would the center of gravity have to be to ensure that the maximum tractive effort developed for front and rear- wheel drive options is equal
A 4 X 12 (S4S) hem-fir timber beam carries a superimposed uniformly distributed load of 325 lb/ft on a simple span of 12ft. Determine the maximum bending stress and the maximum shear stress
design a square individual footing to support a 16 inch square reinforced concrete column. service loads include a dead load of 180 kips and a live load of 140 kips. both column and footing have fc=3000psi and fy=60000 psi.
A Steel beam is supported on eachend by columns in a building. The beam is designed tohold a 10kN heating unit at mid span. There are no other loads onthe beam.
A concrete beam that is simply supported sustains a uniform live load of 1.8 kips/ft and a uniform dead load (not including self weight) of 1 kips/ft on a span of 24 ft. Determine the layout for a set of No.3 U-stirrups with Fy=60 ksi and F'c=3.5 ..
given bulk density as 1300kg/cubic meter and field capacity as 22% by weight and permanent wilting point as 10% by weight calculate available water capacity.
The beam species is douglas fir-larch a) check for beam shear b) check the beam for deflection, knowing deflection limitation is L/360 (given L =12 ft) Given: L=12 Beam Size 9.50" x 10.50" fv= 1.50V/A Deflection Max = 19PL^3/384*E*I
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