Indian Railways Gauge Widening Formula for Curves
The calculation for the extra width needed on railway curves, known as gauge widening, is determined by a specific formula in Indian Railways. This ensures train stability and safety when traversing curves.
The standard formula for gauge widening (W) is:
$W = \frac{13(B+L)^2}{R}$
Formula Components Explained
- W: Represents the calculated widening of the gauge, typically measured in millimeters (mm).
- B: Represents the standard width of the railway gauge (e.g., for Indian Broad Gauge, B is 1676 mm).
- L: Represents the length of the rolling stock (like a coach or wagon) in meters (m).
- R: Represents the radius of the curve the train is negotiating, measured in meters (m).
This formula helps engineers determine the necessary track adjustments for curves based on the specific gauge, rolling stock dimensions, and curve radius.
Important Questions from Curves
The radius of a simple circular curve is 300m and the length of its specified chord is 20 m, The degree of the curve is:
Which of the following methods is NOT commonly used in setting out circular curves?
A curve which consists of two circular arcs of same and different radii having their centres to the different sides of the common tangent is called:
The tangent length for a simple curve is 10 m. the chainage of point of intersection is 344.465 m. The chainage of starting point of curve is:
In India, the standard chord length used in curves is:
