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A 200,000 cubic m highway embankment is to be constructed at dry density of 1.85 Mg/m^3 and optimum moisture content of 16% by compacting sandy silt taken from a borrow pit. The in-situ bulk density of the sandy silt is 1.92 Mg/m^3 and its average water content is 13%. determine:
a) the total volume of the sandy silt that must be removed from the borrow pit for construction of the embankment
b) the volume of water in m^3 that must be added to the sandy silt during construction of the embankkent. The specific gravity of the sandy silt is 2.70.
What is the smallest particle size (density 2.65 g/cm3) that will be removed in a horizontal grit chamber 10 m long and 1.0 m deep if the flow rate is 1000 m3/hr. Assume the temperature of the water is 25°C.
A water storage tank is on the roof of a factory building & the surface of the water is 50 ft above the floor of the factory. if a pipe connects the storage tank to the floor level & the pipe is full of static water
The owners wish to achieve an initial acceleration from rest of 22 ft/(sec^2) on a level paved surface. What is the minimum coefficient of road adhesion needed to achieve this acceleration
A stone A is dropped from rest down a well, and in 1 second another stone B is dropped from rest. Determine the distance between the stones another second later.
A horizontal curve on a single-lane highway has its PC at station 124 + 10 and its PI at station 131 + 40. The curve has a superelvation of 0.06 ft/ft and is designed for 70 mi/h. What is the station of the PT?
A structural component in the form of a very wide plate is to be fabricated from 4340 steel that was cooled using a fast cooling rate and has a yield strength of 1515 MPa and a fracture toughness (KIC) of 60.4MPam.
If you have 10 kips acting downward on a foundation and footing, 4 feet long, with uniformly distributed load acting up ward of 2.5 k/ft (soil) also 4 ft long. what are the reactions, shear forces, and bending moments at the tree critical points
what are the factors affecting the hydraulic conductivity?
Jackie is now exactly 40 years old, and plans to invest a recurring amount over the next 15 years (until age 55) in an account bearing 10% annual interest. She plans to retire at age 65 and live to age 100 (don't we all).
A brass alloy has a yield strength of 280 MPa, a tensile strength of 390 MPa, and an elastic modulus of 105 GPa. A cylindrical specimen of this alloy 12.7 mm in diameter and 250 mm long is stressed in tension and found to elongate 7.6 mm
You fill a 2 cubic foot wheelbarrow to the top with aggregate. If the specific gravity of the aggregate is 2.548 and 18% of the aggregate is void spaces, how much does the aggregate in the wheel barrow weigh
the motorcycle is traveling at 1 m/s when it is at A at the bottom of the ramp. If the speed is then increased at v=0.1 m/s^2, determine its speed and acceleration at the instant t=5s
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