Equation of an Equal Tangent Vertical Parabolic Curve in Surveying Terminology

Equation of an Equal Tangent Vertical Parabolic Curve in Surveying Terminology

• Y = YBVC + g1 X + (r/2) X2 (r) is -ve for crest
  • Note that the value {(r/2) X2} is the offset from the tangent, the equation is called tangent offset equation

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