1 - Two parallel railway 200 m apart were to be connected by equal turnouts. If the intermediate tangent is 400m and the radius of the curve is 1100m.

• Determine the central angle of the reverse curve.
• If the P.C is at station 20 + 460m find the station of the middle of the intermediate tangent
• Find the station of the P.T.

2 - Two parallel tangents are connected by a reversed curve having an equal radii of 360m

• If the central angle of the curve is 8, compute the distance between parallel tangents.
• Compute the length of the chord from the P.C to the P.T.
• If P.C. is at station 3 + 960.40, what is the stationing of the P.T.

3 - The common tangent CD of a reversed curve is 280.5m and has an azimuth of 31229', BC is a tangent of the first curve whose azimuth is 25245;. DE is a tangent of the second curve whose azimuth is 21813'. The radius of the first curve is 180m. The P.I.₁ is at station 16 + 523.37. B is at PC and E is at P.T.

• What is the stationing of the P.C.?
• What is the stationing of the P.C.C?
• What is the stationing of the P.T.?

4 - Two parallel tangents 20 m apart are to be connected by a reversed curve with equal radius at the P.C. The total length of the chord from the P.C to the P.T is 150 m. Stationing of the P.C. is 10 + 200

• Find the radius of the reversed curve.
• Find the length of the chord from P.C. to P.R.C.
• Find the stationing of the P.T.

SALAMAT