Height of Obstruction Given Angle Grades Formula

Fx Copy
LaTeX Copy
The Height of The Obstruction refers to its vertical dimension, blocking a line of sight or path, often in transportation, construction or safety. Check FAQs
h2=(S-Ls2-h1n1)n2
h2 - The Height of The Obstruction?S - Sight Distance?Ls - Length of Curve?h1 - Driver Sight Height?n1 - Positive Grade Angle?n2 - Negative Grade Angle?

Height of Obstruction Given Angle Grades Example

With values
With units
Only example

Here is how the Height of Obstruction Given Angle Grades equation looks like with Values.

Here is how the Height of Obstruction Given Angle Grades equation looks like with Units.

Here is how the Height of Obstruction Given Angle Grades equation looks like.

40.2718Edit=(3.56Edit-7Edit2-0.75Edit45Edit)-45Edit
You are here -
HomeIcon Home » Category Physics » Category Mechanical » Category Transportation System » fx Height of Obstruction Given Angle Grades

Height of Obstruction Given Angle Grades Solution

Follow our step by step solution on how to calculate Height of Obstruction Given Angle Grades?

FIRST Step Consider the formula
h2=(S-Ls2-h1n1)n2
Next Step Substitute values of Variables
h2=(3.56m-7m2-0.75m45°)-45
Next Step Convert Units
h2=(3.56m-7m2-0.75m0.7854rad)-45
Next Step Prepare to Evaluate
h2=(3.56-72-0.750.7854)-45
Next Step Evaluate
h2=40.2718346348198m
LAST Step Rounding Answer
h2=40.2718m

Height of Obstruction Given Angle Grades Formula Elements

Variables
The Height of The Obstruction
The Height of The Obstruction refers to its vertical dimension, blocking a line of sight or path, often in transportation, construction or safety.
Symbol: h2
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Sight Distance
Sight Distance is s the minimum distance between two vehicles moving along a curve, when the driver of one vehicle can just see the other vehicle on the road.
Symbol: S
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Length of Curve
Length of Curve is the distance along the road where the alignment changes from upward to downward slope, creating a valley-shaped concave.
Symbol: Ls
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Driver Sight Height
Driver Sight Height refers to the vertical distance between the driver's eye level and the road surface while seated in a vehicle.
Symbol: h1
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Positive Grade Angle
A positive grade angle indicates an upward slope.
Symbol: n1
Measurement: AngleUnit: °
Note: Value should be greater than 0.
Negative Grade Angle
A negative grade angle indicates an incline slope.
Symbol: n2
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.

Other formulas in Length of Summit Curve with Grade Angles category

​Go Driver Sight Height given Angle Grades
h1=Ls2+Sn1+h2n2
​Go Length of Summit Curve Given Angle Grades
Ls=S2+h1n1+h2n2
​Go Negative Grade Angle Given Sight Distance
n2=h2S-Ls2-h1n1
​Go Positive Grade Angle Given Sight Distance
n1=h1S-Ls2-h2n2

How to Evaluate Height of Obstruction Given Angle Grades?

Height of Obstruction Given Angle Grades evaluator uses The Height of The Obstruction = (Sight Distance-Length of Curve/2-Driver Sight Height/Positive Grade Angle)*Negative Grade Angle to evaluate 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 evaluate Height of Obstruction Given Angle Grades using this online evaluator? To use this online evaluator 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.

FAQs on Height of Obstruction Given Angle Grades

What is the formula to find Height of Obstruction Given Angle Grades?
The formula of Height of Obstruction Given Angle Grades is expressed as The Height of The Obstruction = (Sight Distance-Length of Curve/2-Driver Sight Height/Positive Grade Angle)*Negative Grade Angle. Here is an example- 40.27183 = (3.56-7/2-0.75/0.785398163397301)*(-45).
How to calculate Height of Obstruction Given Angle Grades?
With Sight Distance (S), Length of Curve (Ls), Driver Sight Height (h1), Positive Grade Angle (n1) & Negative Grade Angle (n2) we can find Height of Obstruction Given Angle Grades using the formula - The Height of The Obstruction = (Sight Distance-Length of Curve/2-Driver Sight Height/Positive Grade Angle)*Negative Grade Angle.
Can the Height of Obstruction Given Angle Grades be negative?
No, the Height of Obstruction Given Angle Grades, measured in Length cannot be negative.
Which unit is used to measure Height of Obstruction Given Angle Grades?
Height of Obstruction Given Angle Grades is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Height of Obstruction Given Angle Grades can be measured.
Copied!