For transportation engineering :The initial grade of an equal-tangent sag vertical curve is -1.5%, the final grade is +1

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answerhappygod
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For transportation engineering :The initial grade of an equal-tangent sag vertical curve is -1.5%, the final grade is +1

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For transportation engineering :The initial grade of an equal-tangent sag vertical curve is -1.5%, the final grade is +1.8%, and the design speed of the curve is 90 km/h. Determine the distance from the PVC to the high or low point.
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