Maximum Load on Rail Seat Solution

STEP 0: Pre-Calculation Summary
Formula Used
Seat Load = Wheel Load*Sleeper Spacing/(Section Modulus*Characteristic Length of Rail)
Lmax = WL*S/(z*I)
This formula uses 5 Variables
Variables Used
Seat Load - (Measured in Newton) - Seat Load refers to the maximum allowable load on a rail seat.
Wheel Load - (Measured in Newton) - Wheel load is the part of the load of a vehicle that is carried by a single wheel and transmitted by it to the road surface.
Sleeper Spacing - (Measured in Meter) - Sleeper Spacing refers to the space between the sleepers on rail.
Section Modulus - (Measured in Cubic Meter) - Section Modulus is a geometric property for a given cross-section used in the design of beams or flexural members.
Characteristic Length of Rail - (Measured in Meter) - Characteristic Length of Rail specifies the length of the rail which is defined as ratio of stiffness and track modulus.
STEP 1: Convert Input(s) to Base Unit
Wheel Load: 43.47 Kilonewton --> 43470 Newton (Check conversion ​here)
Sleeper Spacing: 2.3 Meter --> 2.3 Meter No Conversion Required
Section Modulus: 0.0125 Cubic Meter --> 0.0125 Cubic Meter No Conversion Required
Characteristic Length of Rail: 16 Meter --> 16 Meter No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Lmax = WL*S/(z*I) --> 43470*2.3/(0.0125*16)
Evaluating ... ...
Lmax = 499905
STEP 3: Convert Result to Output's Unit
499905 Newton -->499.905 Kilonewton (Check conversion ​here)
FINAL ANSWER
499.905 Kilonewton <-- Seat Load
(Calculation completed in 00.004 seconds)

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NSS College of Engineering (NSSCE), Palakkad
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Lateral Forces Calculators

Maximum Load on Rail Seat
​ LaTeX ​ Go Seat Load = Wheel Load*Sleeper Spacing/(Section Modulus*Characteristic Length of Rail)
Maximum Contact Shear Stress
​ LaTeX ​ Go Contact Shear Stress = 4.13*(Static Load/Radius of Wheel)^(1/2)
Radius of Wheel given Shear Stress
​ LaTeX ​ Go Radius of Wheel = (4.13/Contact Shear Stress)^(2)*Static Load
Static Wheel Load given Shear Stress
​ LaTeX ​ Go Static Load = (Contact Shear Stress/4.13)^2*Radius of Wheel

Maximum Load on Rail Seat Formula

​LaTeX ​Go
Seat Load = Wheel Load*Sleeper Spacing/(Section Modulus*Characteristic Length of Rail)
Lmax = WL*S/(z*I)

What are the Lateral Forces on rails?

The Lateral Force applied to the rail head produces a lateral deflection and twist in the rail. Lateral force causes the rail to bend horizontally and the resultant torque causes a huge twist in the rail as well as the bending of the head and foot of the rail. Lateral deflection of the rail is resisted by the friction between the rail and the sleeper, the resistance offered by the rubber pad and fastenings, as well as the ballast coming in contact with the rail.

How to Calculate Maximum Load on Rail Seat?

Maximum Load on Rail Seat calculator uses Seat Load = Wheel Load*Sleeper Spacing/(Section Modulus*Characteristic Length of Rail) to calculate the Seat Load, The Maximum Load on Rail Seat is defined as the maximum load on a rail seat. The section modulus is the property of rail section and wheel load is the train wheel load. Seat Load is denoted by Lmax symbol.

How to calculate Maximum Load on Rail Seat using this online calculator? To use this online calculator for Maximum Load on Rail Seat, enter Wheel Load (WL), Sleeper Spacing (S), Section Modulus (z) & Characteristic Length of Rail (I) and hit the calculate button. Here is how the Maximum Load on Rail Seat calculation can be explained with given input values -> 0.552 = 43470*2.3/(0.0125*16).

FAQ

What is Maximum Load on Rail Seat?
The Maximum Load on Rail Seat is defined as the maximum load on a rail seat. The section modulus is the property of rail section and wheel load is the train wheel load and is represented as Lmax = WL*S/(z*I) or Seat Load = Wheel Load*Sleeper Spacing/(Section Modulus*Characteristic Length of Rail). Wheel load is the part of the load of a vehicle that is carried by a single wheel and transmitted by it to the road surface, Sleeper Spacing refers to the space between the sleepers on rail, Section Modulus is a geometric property for a given cross-section used in the design of beams or flexural members & Characteristic Length of Rail specifies the length of the rail which is defined as ratio of stiffness and track modulus.
How to calculate Maximum Load on Rail Seat?
The Maximum Load on Rail Seat is defined as the maximum load on a rail seat. The section modulus is the property of rail section and wheel load is the train wheel load is calculated using Seat Load = Wheel Load*Sleeper Spacing/(Section Modulus*Characteristic Length of Rail). To calculate Maximum Load on Rail Seat, you need Wheel Load (WL), Sleeper Spacing (S), Section Modulus (z) & Characteristic Length of Rail (I). With our tool, you need to enter the respective value for Wheel Load, Sleeper Spacing, Section Modulus & Characteristic Length of Rail and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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