Q3: A circular curve of radius 900 m is to be constructed between two straights of a proposed highway. The intersection angle between the straights is 165°31'54" and the curve is to be set out by the tangential angles method using a theodolite and a tape. The through chainage of the intersection point is 1345.82 m and pegs are required on the centre line at exact 20 m multiples of through chainage. a. Calculate the tangent lengths b. Calculate the length of the circular curve c. Calculate the through chainages of the two tangent points d. Tabulate the data required to set out the curve (10 points)
Q3: A circular curve of radius 900 m is to be constructed between two straights of a proposed highway. The intersection angle between the straights is 165°31'54" and the curve is to be set out by the tangential angles method using a theodolite and a tape. The through chainage of the intersection point is 1345.82 m and pegs are required on the centre line at exact 20 m multiples of through chainage. a. Calculate the tangent lengths b. Calculate the length of the circular curve c. Calculate the through chainages of the two tangent points d. Tabulate the data required to set out the curve (10 points)
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Q3: A circular curve of radius 900 m is to be constructed between two straights
of a proposed highway. The intersection angle between the straights is
165°31'54" and the curve is to be set out by the tangential angles method
using a theodolite and a tape. The through chainage of the intersection
point is 1345.82 m and pegs are required on the centre line at exact 20 m
multiples of through chainage.
a.
Calculate the tangent lengths
b. Calculate the length of the circular curve
c. Calculate the through chainages of the two tangent points
d. Tabulate the data required to set out the curve (10 points)
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