THE VERTICAL CLEARANCE OF THE 300M PARABOLIC SAG CURVE IN A CERTAIN UNDERPASS WITH FORWARD TANGENT OF 3.5% IS 5.51M. THE HEIGHT OF DRIVERS EYE IS 1.20M WHILE THE OBJECT AT THE RIGHT SIDE OF THE CURVE IS 950MM.PASSING SIGHT DISTANCE IS 375M. IF P.T. IS AT STATION 4+350.00 AND ITS ELEVATION IS 24M ABOVE SEA LEVEL a.) WHAT IS THE GRADE OF THE BACK TANGENT b.) WHAT IS THE STATIONING OF THE LOWEST POINT OF THE CURVE? C.) WHAT IS THE ELEVATION OF THE LOWEST POINT OF THE CURVE?

Q: answer question 18 only

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Q: A parabolic vertical curve with a grade in of 2.1%, a grade out of - 3.2%, a curve length of…

A: (Note: Since part C is asked to solve, the solution for the c part is given below.) Given: Grade in,…

Q: Compute the passing sight distance available given a 440-ft curve, grades of g₁ = +2.00% and 9₂…

A: The sight distance available from a point is the distance along the road surface over which a driver…

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

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Q: 19. What is the stationing (ft) of the EVC?

A: Length of curve, L = 1100ft  ⇒ 11 stations.   Stationing of BVC = 12+15 ft.

Q: have designed a vertical crest curve which joins a +3% E mph and you have determined the curve to be…

A:

Q: Given: L = 20 stations, G1=-2%,G2=+1%; The elevation difference from the PC to the low point of the…

A: The Elevation difference from PC to low point of curve is given by ; X X = g1 LA where ; g1 = -2 % L…

Q: Compute the passing sight distance available given a 440-ft curve, grades of ₁₂ Express your answer…

A: The sight distance available from a point is the distance along the road surface over which a driver…

Q: You have designed a vertical crest curve which joins a +3% grade and a -4% grade. The design speed…

A:

Q: Vertical highway curve: Given PVI at 128 + 00, L = 1,000 ft, g1 = -5%, g2 = +4%, and PVI elevation =…

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Q: 2. In a certain underpass, the vertical clearance of the 240m parabolic sag curve with PC at Station…

A: The given data is: The Vertical clearance=4.4 m The given Length of the sag curve=240 m Station at…

Q: Determine variables requested below for a horizontal curve with the following characteristics.…

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Q: Q3) A circular curve is join two tangents that intersect at an angle of (40° 00') at station…

A: Data given:Deflection angle (∆) = 40οPoint of intersection (PI) = (70+35)Mid ordinate = 7m.Assuming…

Q: 1600 ft lomg equal tangent sag vertical curve has the PVI at station 120+00 and elevation 1500 ft…

A: Position of tha loest curve x=Lvn12Nhere  Length of sag curve   Lv=1600 ftand   n1=3.5 %  and…

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