Point “P” is the location of the center line of an existing highway. An underpass is to be designed perpendicular to the existing highway with a vertical parabolic curve such that its lowest point is directly below point “P” with a vertical clearance of 5.5 meters. Stationing of the point of intersection is 5+800 and has an elevation of 105 meters. The slope of the tangent passing thru the Pc is - 4% and that of the PT is 3%. With illustrations. a) Determine the length of the curve. b) Determine the stationing of the point “P” on the right side of the curve if it has an elevation of 120 meters. c) Determine the elevation of the PT of the curve.

Q: An equal tangent vertical curve is to be constructed between grades of -6.75% (initial) and 4.75%…

A:

Q: An equal-tangent sag vertical curve on a section of a highway connects an initial grade of -2% and a…

A:

Q: Given: L=1500 ft.; G1=+1%, G2=+4%; What is the change in elevation from a point on the incoming…

A: L = 1500ft G1 = +1% G2 = +2%   It has been asked in the question to determine the change in…

Q: 103+51.05 103+53.01 103+47.56 103+49.89

A: 103 + 51.05

Q: A +1.512% grade meets a -1.785% grade at PVI Station 31+50, elevation 562.00. The Equal Tangent…

A: Given:- The initial grade of the curve = +1.512% The final grade of the curve = -1.785% The station…

Q: Grades of g₁ = -1.00% and g2 = +3.00 %, VPI elevation 750.00 ft at station 30+00. Fixed elevation…

A: g1= -1%g2= +3%PVI Elevation = 750 ft and station = 30+00Fixed elevation, y = 753 ft and station…

Q: For the curve above, (an equal- tangent vertical curve connects a +3.2 % and a -1.1 % grade. The PVI…

A:

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