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Clay weights 3,000 lb/cu. yd. on its natural state(BCY). After excavating the soil weight is 2,310 lb/cu. yd. After transporting the loose material (LCY) in 12 yard dump trucks, placing it, and compacting the weight of the soil is 3,750 lb/cu.yd.(show your calculations)
a) Find the Swell and Shrinkage
b) Load and Shrinkage Factors
c) A 165,000 cu. ft. pond is to be constructed. How many truck loads are necessary if you use
Offshore in deep water, a wave gage measures the height and period of a train of waves to be 2m and 7.5 s respectively. The wave train propagates toward the shore in a normal direction without refracting and the nearshore bottom slope is 1:40.
A particular mixed flow pump is operating just below the point of cavitation. The pump is sited with its intake 3 m above the water level in the reservoir and delivers 0.05 m3/s.
Determine the deflection at the mid span of a simple beam (wood joist) of a row house. The joist is designed as 2x12@16'' for DL = 12psf and LL=40 psf. The span length of the joist is 18'
A cubic shape tank has the dimensions of 10 m by 10 m by 20 m tall. Calculate the volume of he tank in gallons
The total volume of the house is 650 m3 (assume that the volume is well mixed throughout). The radon source emits 250 pCi/s (A picoCurie [pCi] is a unit proportional to the amount of radon gas and indicates the amount of radioactivity of the gas)
Radon from well water may pose a radiological health hazard. One treatment technique is simply to hod the water in storage, allowing the radon to decay. The decay rate is first order:
Measure the distance PA, PB, PC etc. from p to various point with chain or tape and plot them to scale along the co responding rays. Join the points a, b, c, etc. to give outline of survey.
a prismatic bar AB of length L, cross section A, modulus of elasticity E, and weight W hangs vertical under its own weight. if the bar is a riser pipe hanging from a drill rig at sea, what is the total elongation of the pipe
Where should a single 500-lb live load be places on the beam so it causes the largest live moment at D? What is this moment? Assume the support at A is fixed, B is pinned, and C is a Roller
Ten tons of a mixture of paper and other compostable materials has a moisture content of 7%. How many tons of water must be added to the solids to achieve a mixture with 50% moisture for composting
A suppressed rectangular weir is being used to measure flows in anirrigation canal. The weir is 5 m wide and 2m high and, under floodconditions, the upstream and downstream depths are measured at 2.5mand 2.3 m, respectively.
Define flow at a hydraulic jump (upstream and downstream) in terms of the types of flow and corresponding Froude number. What is the depth of water at each section (upstream and downstream) compared to critical depth
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