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The axle load of a wheeled vehicle is the total weight bearing on the roadway for all wheels connected to a given axle.Axle load is an important design consideration in the engineering of roadways and railways, as both are designed to tolerate a maximum weight-per-axle (axle load); exceeding the maximum rated axle load will cause damage to the roadway or railway tracks.
Rolling stock is also allocated an RA (again between 1 and 10) and the RA of a train is the highest RA of any of its elements. The train must have a route availability (RA) lower than or equal to the RA of a line to be allowed to use it. The RA is primarily related to the axle load of the vehicle, although axle spacing is also taken into ...
When evaluating the series of tests, it was found that there is a connection between the thickness of the pavement, the number of load transfers and the axle load, and that these have a direct effect on the service life and condition of a road. The service life of the road is thereby reduced with approximately the fourth power of the axle load. [1]
/ = the fore of the rear axles is steered (pusher axle) * = the rearmost of the rear axles is steered (tag axle) C = number of steered wheels - = separates axle groups and/or different axle functions (6x4-2 is 6x6 with undriven rear axle) Basis is always the standard configuration, meaning a steered front axle and a non-steered driven rear axle.
The axle load will not usually be the sum of the two wheel loads because the line of action of the cross-balancing will be different in each wheel. [26] With the locomotive's static weight known the amount of overbalance which may be put into each wheel to partially balance the reciprocating parts is calculated. [ 27 ]
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