How to Calculate Height of Obstruction Given Angle Grades?
Height of Obstruction Given Angle Grades calculator uses The Height of The Obstruction = (Sight Distance-Length of Curve/2-Driver Sight Height/Positive Grade Angle)*Negative Grade Angle to calculate the The Height of The Obstruction, Height of Obstruction Given Angle Grades formula is defined as the sum of half the length of the curve, the driver's eye height divided by the angle of an upward slope, and the sight distance multiplied by the angle of a downward slope. The Height of The Obstruction is denoted by h2 symbol.
How to calculate Height of Obstruction Given Angle Grades using this online calculator? To use this online calculator for Height of Obstruction Given Angle Grades, enter Sight Distance (S), Length of Curve (Ls), Driver Sight Height (h1), Positive Grade Angle (n1) & Negative Grade Angle (n2) and hit the calculate button. Here is how the Height of Obstruction Given Angle Grades calculation can be explained with given input values -> 40.27183 = (3.56-7/2-0.75/0.785398163397301)*(-45).