A spiral 80m long connects a tangent with a 7° 30' circular curve. If the stationing of the T.S. is 12+000, and the gauge of the tract on the curve is 1.5m. Determine the following: (a) the elevation of the outer rail at the midpoint, if the velocity of the fastest train that can pass over the curve is 60kph, (b) the spiral angle at the first quarter point, (c) the deflection angle at the end point, and (d) the offset from the tangent at the second quarter point.

Q: The transition length based on permissible speed for a 2° curve with maximum speed of 100 kmph on a…

A: Maximum permissible speed Vmax = 100 km/hDegree of curve D = 2oG= 1.676 mTo Find-The length of the…

Q: 2. There is a Vertical Curve with a length of 300 feet, a gl of -3.2%, a g2 of 1.8%, a PVI at…

A: The grade of back tangent, g1=-3.2%The grade of forward tangent, g2=+1.8%The elevation of PVI…

Q: Grade of g1= -2.5% and g2=+1.5%, PVI elevation 2430.00 at station 315+00. Fixed elevation 2436.5 at…

A: Solution Given data g1=-2.5 % g2= +1.5 % PVI at elevation = 2430 at station with chainage 315+00…

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