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2. A horizontal curve with spiral is designed for a two-lane road in mountainous terrain. The following data are known: - Design speed = 100 km/h - Deflection angle = 32 degrees Station of PI: 16+192.50 Superelevation rate, e = 0.06 - Lane width = 3.65 m Normal cross slope, q = 0.02 Slope of the O.E. @tangent runout = 1:400 Required: Determine the length of spiral curve and stations of TS, SC, CS, and ST.

2. A horizontal curve with spiral is designed for a two-lane road in mountainous terrain. The following data are known: - Design speed = 100 km/h - Deflection angle = 32 degrees Station of PI: 16+192.50 Superelevation rate, e = 0.06 - Lane width = 3.65 m Normal cross slope, q = 0.02 Slope of the O.E. @tangent runout = 1:400 Required: Determine the length of spiral curve and stations of TS, SC, CS, and ST.

Structural Analysis
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. A horizontal curve with spiral is designed for a two-lane road in mountainous terrain. The following data are known: Design speed = 100 km/h Deflection angle = 32 degrees Station of PI: 16+192.50 Superelevation rate, e = 0.06 Lane width = 3.65 m Normal cross slope, q = 0.02 Slope of the O.E. @ tangent runout = 1:400 Required: Determine the length of spiral curve and stations of TS, SC, CS, and ST. Draw a neat sketch for the development of superelevation if the cross-section is rotated about the centreline. Draw neat sketches for the highway's cross-section at stations: (15+900), (16+017), (16+080), and (16+115)
Transcribed Image Text:2. A horizontal curve with spiral is designed for a two-lane road in mountainous terrain. The following data are known: Design speed = 100 km/h Deflection angle = 32 degrees Station of PI: 16+192.50 Superelevation rate, e = 0.06 Lane width = 3.65 m Normal cross slope, q = 0.02 Slope of the O.E. @ tangent runout = 1:400 Required: Determine the length of spiral curve and stations of TS, SC, CS, and ST. Draw a neat sketch for the development of superelevation if the cross-section is rotated about the centreline. Draw neat sketches for the highway's cross-section at stations: (15+900), (16+017), (16+080), and (16+115)
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