4. The broken back curve shown is to be replaced by a compound curve R2 = 1.8 R1. T1=250m, T2=350m, Δ1/2=30°, Δ2/2=20°, and short tangent =45m. Determine: a. new values of radii b. new values of tangents (ans: a) R1=1101.928m R2=1983.470m, and m=295.261m and n=349.739m)

4. The broken back curve shown is to be replaced by a compound curve R2 = 1.8 R1. T1=250m, T2=350m, Δ1/2=30°, Δ2/2=20°, and short tangent =45m. Determine: a. new values of radii b. new values of tangents (ans: a) R1=1101.928m R2=1983.470m, and m=295.261m and n=349.739m)

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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Question

4. The broken back curve shown is to be replaced by a compound curve R2 = 1.8
R1. T1=250m, T2=350m, Δ1/2=30°, Δ2/2=20°, and short tangent =45m. Determine: a.
new values of radii b. new values of tangents (ans: a) R1=1101.928m R2=1983.470m,
and m=295.261m and n=349.739m)

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