| Given i) a design speed of 70 mph, ii) 10% maximum supereleation and iii) a side friction factor of 0.10, calculate the degree of curvature (D) for the horizontal curve. 'Determine the stationing for the PC and PT of a 4.5° curve to be placed on tangents that intersect at station 175+34.75 with a deflection angle of 52°.

| Given i) a design speed of 70 mph, ii) 10% maximum supereleation and iii) a side friction factor of 0.10, calculate the degree of curvature (D) for the horizontal curve. 'Determine the stationing for the PC and PT of a 4.5° curve to be placed on tangents that intersect at station 175+34.75 with a deflection angle of 52°.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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2. For the alignment shown below, give the station of the PC and PT of both curves. The station of the PI for the second curve is 100+00. The degree of curve is 6° for curve I and the deflection angle is 15°. The degree of curve is 4° for curve 2 and the deflection angle is 20°. The distance between the curves on the alignment is 200 feet. Give your answer to the appropriate level of accuracy. PISIS° k 20o PT2 20 PI2 PC1 PC2 STA 100 too
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