A railroad tunnel is shaped like a semiellipse, as shown bel…
A railroad tunnel is shaped like a semiellipse, as shown below. The height of the tunnel at the center is 54 ft, and the vertical clearance must be 18 ft at a point 8 ft from the center. Find an equation for the ellipse. (5 points)
Read DetailsA classmate has suggested a beam design that has dimensions…
A classmate has suggested a beam design that has dimensions of b = 14 in., h = 30 in., and d = 27.5 in. and is reinforced with 5 No. 14 bars. Assuming a cover of 1.5 in. and a stirrup diameter of 0.5 in., does the reinforcement fit within a single row as suggested?
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