4. The common tangent AB of a compound curve is 76.42-m, with an azimuth of 88°30'. The vertex V being inaccessible. The azimuth of the tangents AV and VB was measured to be 67°50' and 102°50' respectively. The stationing at A is 10+010.46 and the degree of the first curve is 4° based on the 20-m chord. Use chord basis. a) Compute the stationing of PCC. b) Compute the radius of the second curve.

Structural Analysis
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Problem 4.
The common tangent AB of a compound curve is 76.42-m, with an azimuth of 88°30'. The vertex V
being inaccessible. The azimuth of the tangents AV and VB was measured to be 67°50' and 102°50'
respectively. The stationing at A is 10+010.46 and the degree of the first curve is 4° based on the 20-m
chord. Use chord basis.
a) Compute the stationing of PCC.
b) Compute the radius of the second curve.
Transcribed Image Text:Problem 4. The common tangent AB of a compound curve is 76.42-m, with an azimuth of 88°30'. The vertex V being inaccessible. The azimuth of the tangents AV and VB was measured to be 67°50' and 102°50' respectively. The stationing at A is 10+010.46 and the degree of the first curve is 4° based on the 20-m chord. Use chord basis. a) Compute the stationing of PCC. b) Compute the radius of the second curve.
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