M Naveen
National Institute of Technology (NIT), Warangal
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Chandana P Dev
NSS College of Engineering (NSSCE), Palakkad
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8 Other formulas that you can solve using the same Inputs

elevation of point x distant from PVC(point of vertical curvature)
Elevation of point x distance from PVC= Elevation of PVC+(Grade at beginning of curve*Distance of any point on the curve from the PVC)+(1/2)*(Rate of change of grade*Distance of any point on the curve from the PVC^2) GO
Elevation of PVC when elevation of lowest point on a sag curve is given
Elevation of PVC= Elevation of lowest point on a sag curve+((Grade at beginning of curve^2)/(2*Rate of change of grade)) GO
Elevation of lowest point on a sag curve
Elevation of lowest point on a sag curve= Elevation of PVC-((Grade at beginning of curve^2)/(2*Rate of change of grade)) GO
Distance from PVC to Lowest Point on a Sag Curve
Distance from PVC to lowest point on a sag curve= -(Grade at beginning of curve/Rate of change of grade) GO
Rate of change of grade in parabolic curves
Rate of change of grade= (Grade at end of curve-Grade at beginning of curve)/ Length of curve GO
Length of curve when rate of change of grade is given in parabolic curves
Length of curve= (Grade at end of curve-Grade at beginning of curve)/Rate of change of grade GO
Elevation of PVI(point of vertical intersection) when elevation of PVC is given
Elevation of PVI= Elevation of PVC+(1/2)*(Length of curve*Grade at beginning of curve) GO
Elevation of PVC(point of vertical curvature)
Elevation of PVC= Elevation of PVI-(1/2)*(Length of curve*Grade at beginning of curve) GO

1 Other formulas that calculate the same Output

Rate of change of grade in parabolic curves
Rate of change of grade= (Grade at end of curve-Grade at beginning of curve)/ Length of curve GO

Rate of change of grade when distance from PVC to lowest point on a sag curve is given Formula

Rate of change of grade= -(Grade at beginning of curve/Distance from PVC to lowest point on a sag curve)
R<sub>= -(<sub>1</sub>/X<sub>s</sub>)
More formulas
Rate of change of grade in parabolic curves GO
Length of curve when rate of change of grade is given in parabolic curves GO
Elevation of PVC(point of vertical curvature) GO
Elevation of PVI(point of vertical intersection) when elevation of PVC is given GO
elevation of point x distant from PVC(point of vertical curvature) GO
grade at beginning of curve when elevation of point x distant from PVC is given GO
Distance from PVC to Lowest Point on a Sag Curve GO
Elevation of lowest point on a sag curve GO
Elevation of PVC when elevation of lowest point on a sag curve is given GO

What is meant by PVC?

PVC also known as the point of vertical curvature in which the straight line passing through the beginning of the parabolic curve.

How to Calculate Rate of change of grade when distance from PVC to lowest point on a sag curve is given?

Rate of change of grade when distance from PVC to lowest point on a sag curve is given calculator uses Rate of change of grade= -(Grade at beginning of curve/Distance from PVC to lowest point on a sag curve) to calculate the Rate of change of grade, The Rate of change of grade when distance from PVC to lowest point on a sag curve is given is defined as change in grade from one end of the curve to another end of the parabolic curve. Rate of change of grade and is denoted by R symbol.

How to calculate Rate of change of grade when distance from PVC to lowest point on a sag curve is given using this online calculator? To use this online calculator for Rate of change of grade when distance from PVC to lowest point on a sag curve is given, enter Grade at beginning of curve (1) and Distance from PVC to lowest point on a sag curve (Xs) and hit the calculate button. Here is how the Rate of change of grade when distance from PVC to lowest point on a sag curve is given calculation can be explained with given input values -> -0.5 = -(10/20).

FAQ

What is Rate of change of grade when distance from PVC to lowest point on a sag curve is given?
The Rate of change of grade when distance from PVC to lowest point on a sag curve is given is defined as change in grade from one end of the curve to another end of the parabolic curve and is represented as R1/Xs) or Rate of change of grade= -(Grade at beginning of curve/Distance from PVC to lowest point on a sag curve). Grade at beginning of curve can be described as the grade at the beginning of the parabolic curve and Distance from PVC to lowest point on a sag curve can be described as the distance in between the beginning of the grade and lowest point on a sag curve.
How to calculate Rate of change of grade when distance from PVC to lowest point on a sag curve is given?
The Rate of change of grade when distance from PVC to lowest point on a sag curve is given is defined as change in grade from one end of the curve to another end of the parabolic curve is calculated using Rate of change of grade= -(Grade at beginning of curve/Distance from PVC to lowest point on a sag curve). To calculate Rate of change of grade when distance from PVC to lowest point on a sag curve is given, you need Grade at beginning of curve (1) and Distance from PVC to lowest point on a sag curve (Xs). With our tool, you need to enter the respective value for Grade at beginning of curve and Distance from PVC to lowest point on a sag curve and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Rate of change of grade?
In this formula, Rate of change of grade uses Grade at beginning of curve and Distance from PVC to lowest point on a sag curve. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Rate of change of grade= (Grade at end of curve-Grade at beginning of curve)/ Length of curve
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