A common tangent of a compound curve makes an angle of 12 degrees from the tangent passing through the PC and 18 degrees from the tangent passing through the PT. If the radius of the second curve is 180m, find the radius of the first curve if the length of the common tangent is 70m
A common tangent of a compound curve makes an angle of 12 degrees from the tangent passing through the PC and 18 degrees from the tangent passing through the PT. If the radius of the second curve is 180m, find the radius of the first curve if the length of the common tangent is 70m
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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PROBLEM #2) A common tangent of a compound curve makes an angle of 12 degrees from the tangent passing through the PC and 18 degrees from the tangent passing through the PT. If the
radius of the second curve is 180m, find the radius of the first curve if the length of the common tangent is 70m long. (SIMPLE AND COMPOUND CURVES)
*PLEASE USE THE FORMULAS BELOW*
![2πR 20
360° D
T = R tan
LC = 2R sin
Konkl/2)
-₁]
R(1 - cos 2)
COS
E = R
I
2
M 1 =
OR
I
2πTR
360
E = Ttan
M = E cos
4
I
IN](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Faa05b0cb-1d77-4ecc-b0d1-c2dffa20d437%2Fa846b47d-b618-4088-b779-838b82cfef01%2Fc2qp7f_processed.png&w=3840&q=75)
Transcribed Image Text:2πR 20
360° D
T = R tan
LC = 2R sin
Konkl/2)
-₁]
R(1 - cos 2)
COS
E = R
I
2
M 1 =
OR
I
2πTR
360
E = Ttan
M = E cos
4
I
IN
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