a. A developer is having a single-lane raceway constructed with a 160 km/h design speed. A curve on the raceway has a radius of 305 m, a central angle of 30 degrees, and PL stationing at 375 +030. If the design coefficient of side friction is 0.20, determine them superelevation required at design speed. Also, compute the degree of curvature. length of curve and stationing of the PC and PT. b. With an aid of a sketch define Camber and explain how the amount of camber is decided What are the disadvantages associated with excessive camber? CL
a. A developer is having a single-lane raceway constructed with a 160 km/h design speed. A curve on the raceway has a radius of 305 m, a central angle of 30 degrees, and PL stationing at 375 +030. If the design coefficient of side friction is 0.20, determine them superelevation required at design speed. Also, compute the degree of curvature. length of curve and stationing of the PC and PT. b. With an aid of a sketch define Camber and explain how the amount of camber is decided What are the disadvantages associated with excessive camber? CL
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A developer is having a single-lane raceway constructed with a 160 km/h design speed. A
curve on the raceway has a radius of 305 m, a central angle of 30 degrees, and Pl
stationing at 375 +030. If the design coefficient of side friction is 0.20, determine the
superelevation required at design speed. Also, compute the degree of curvature. length of
1
curve and stationing of the PC and PT.
b. With an aid of a sketch define Camber and explain how the amount of camber is decided
What are the disadvantages associated with excessive camber?
VOS
Expert Solution
Step 1
Given,
single lane raceway
design speed =160 km/h
radius of curve =305 m
central angle =300
PI stationing =375 +030
design coefficient of side friction =0.20
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