Superelevated reverse curve?
Superelevated reverse curve?
(OP)
I've been asked by the head engineer of the company to lay out a design for a superelevated, reverse curve with no tangent section between curves. I think it's impossible, as the superelevated curve must remain superelevated throughout the entire curve, right? For the speed to remain constant through the curve, it cannot flatten until the tangent section, but for a reverse curve with no tangent section it's not possible.
Or am I wrong?
Or am I wrong?





RE: Superelevated reverse curve?
RE: Superelevated reverse curve?
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RE: Superelevated reverse curve?
RE: Superelevated reverse curve?
Don't forget to watch the drainage with this concept. Often there can be a nasty side-effect.
Are you using a superelevation diagram? If not, do so.
RE: Superelevated reverse curve?
I would use minimum transition length, and place the transition through flat at the point of reverse curvature.