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The station of a PI of a horizental curve is 60+20. The horizental curve has a degree of 4 and a length of 400ft. the othere given design perameters include. Superelevation runoff rate is 1/400. width of the pavement is is 15ft. normal crown slope is 2%. all maximum superelevation is 8%. find the following.
1. Station of PC and PT.
2. station where tangent runout starts
3. superelevation at station 58+00.
Office workers complain that the noise level in their office Area 1 is greater than that in the company's other office Area 2. Six measurements are made on different days in each area, with the following results
A flow has circular streamlines. At t=0 the flow is in the clockwise direction and the angular velocity is pi rad/s. This flow exists for 1 s, and then reverses to counterclockwise with an angular velocity of -pi rad/s for 1 s.
Determine the effective size as well as the uniformity coefficient and coefficient of curvature for each soil. Determine also the percentages of gravel, sand, silt, and clay according to (a) ASTM, (b) AASHTO, (c)USCS, and (d) the British Standard.
It is desirable to produce a copper-nickel alloy that has a minimum noncold-worked tensile strength of 390 Mpa and a ductility of at least 40% elongation. Is such an alloy possible If so, what must be its composition
Also calculate the deflection of the beam to check that it complies with the design limit of L/200. Only variable actions are required for deflection check.
Determine the total crop water requirement including the leaching ratio of a corn crop with a ECt of 1.7mmhos cm-1 if the ECiw of the irrigation water and precipitation is 5 and 0 mmhos cm-1 respectively
At a certain location along the span, a reinforce concrete beam section with d=14 in. and b=10 in. is subject to a design shear of Vu=50k. Using No.4 stirrups, compute the required stirrup spacing at the given location. assume F'c=3 ksi and Fy=40 ..
What are minerals? Sketch different types of mineral crystal forms and list different types of rock forming minerals. Describe with examples the importance of mineral identification in engineering applications.
A 1kg ball is dropped from the top of a cliff and falls with a constant acceleration due to gravity. Assume that effects of air resistance can be ignored.
Under the 200% DB depreciation, what is the cumulative depreciation through the end of year four? The useful life of the mixing tank is 9.5 years.
You are the winner of a sweepstakes and given a choice of a one-time payment of $1,000,000 or a guaranteed $80,000 per year for 20 years. Assume that you will collect all 20 years regardless of health condition.
(a) Use differentiation to find a general expression for the rocket's velocity as a function of time, (b) When is the velocity zero?
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