PROBLEM 21: Two parallel roads 300 m apart were connected by two equal simple curves and form a reverse curve. If the length of the intermediate tangent located between the two simple curves is 360 m and the two curves have equal radii of roadii of 1200 m, find the central angle common to the two simple curves.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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PROBLEM 21: Two parallel roads 300 m
apart were connected by two equal simple
curves and form a reverse curve. If the length
of
the
intermediate tangent located
between the two simple curves is 360 m and
the two curves have equal radii of radii of
1200 m, find the central angle common to
the two simple curves.
a. 20°34'09"
b. 18°06'24'"
C. 23°
d. 21°33'03"
52"
Transcribed Image Text:PROBLEM 21: Two parallel roads 300 m apart were connected by two equal simple curves and form a reverse curve. If the length of the intermediate tangent located between the two simple curves is 360 m and the two curves have equal radii of radii of 1200 m, find the central angle common to the two simple curves. a. 20°34'09" b. 18°06'24'" C. 23° d. 21°33'03" 52"
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