Two roads AB and BC intersect at a chainage 184+65. These are intersected by a line PQ and the angles APQ and PQC are 112° and 102° respectively. The radius of the first arc of the curve is 330m and that of the second arc is 540m. Calculate the chainages of the first and the second tangent points

Two roads AB and BC intersect at a chainage 184+65. These are intersected by a line PQ and the angles APQ and PQC are 112° and 102° respectively. The radius of the first arc of the curve is 330m and that of the second arc is 540m. Calculate the chainages of the first and the second tangent points

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

Two roads AB and BC intersect at a
chainage 184+65. These are intersected
by a line PQ and the angles APQ and
PQC are 112° and 102° respectively.
The radius of the first arc of the curve is
330m and that of the second arc is
540m. Calculate the chainages of the
first and the second tangent points
P.C
R₂
2
P.T
185+87.15, 172+18.67 O
170+88.19, 182+14.97 O
176+48.69, 172+18.67 O
185+87.19, 152+14.97 O
190+84.32, 177+12.34 O

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Step 2 For tangent lengths and PQ length

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Step 3 Dimensions of triangle PBQ

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Step 4 Chainage of PC and PT

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