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You are to perform a dynamic pile load test on a24-inch OD open ended homogeneous pipe pile. The pile has a shellthickness of 0.5 inch and is 80 feet long. Calculate:
a) a.) Compression wave velocity(hint: E=29x106 psi, g=490 pcf)
b) b.)The total time for the compression wave to travel down to the tip and to reflect to the top of thepile.
c) c.) If the pile is to be driveninto a dense sand layer and with very little skin resistance from the soils above it, which one of the following force-velocity plotsis most likely to be observed.
d.) If the toe reflection is detected at about 5 ms afterhammer impact, please determine the location of the pile damage.
The Earth may be considered as a sphere whose diameter is 8000 mi. and whose density is roughly approximated to be 6560 kg/m^3. What is the mass of the Earth in pound-mass and kilograms
A project involves transporting iron pipe to a jobsite that is 43 miles from the supplier. The pipe will be hauled in trucks that can carry 16 pipes per load. Each pipe is 20 ft in length. The average haul speed of a truck will be 50 mi./hr and re..
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How many hours should it take an articulated wheel loader equipped with a 4 yd3 bucket to load 3,000 yd3 of gravel from a stockpile into rail cars if the average haul distance is 300 feet one way
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If it absorbs 100 Joules each cycle from the hot reservoir, how much work does it do. How much heat is given off in each cycle If each cycle takes 0.5 seconds, find the power output of the engine.
A cylindrical pressure vessel with hemispherical ends has a 2.5-m radius and a 5-mm wall thickness. It contains a gas with pressure pi = 6×10 5 Pa and the outer wall is subjected to atmospheric pressure p 0 = 1 × 10 5 Pa.
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