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The tangents of a spiral curve intersect at an angle of 25°at STA 4+072. The radius...

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Civil Engineering

The tangents of a spiral curve intersect at an angle of 25°atSTA 4+072. The radius of the central curve is 300m and the lengthof the spiral curve is 52.71m.

a.) Determine the external distance of the spiral.

b.) Determine the offset distance from the tangent to the startof the central curve.

c.) Determine the spiral angle from TS to SC.

d.) Determine the deflection angle from TS to SC.

e.) Determine the stationing where the central curve ends

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