Re: Australian Axle loads

["Rod [comtrain]" <freight_man@hotmail.com>]

Yes MD
Same old story no funds!
old bridges need to be upgraded.
They cheated on Ballast
They cheated on sleeper spacing and size
At least in Victoria.
you can run 60 kg on wood and 35 tonnes axle loading if you spend the money
Some US roads run these sorts of axle loads on 95 lb rail [at least they
used to?], but you should look at the quality bed it is laid on.
Rod
Maurie Daly <mauried@tpg.com.au> wrote in message
3ab30a35.35125014@can-news.tpg.com.au">news:3ab30a35.35125014@can-news.tpg.com.au...
> Reading thru the Draft Standard documents for the so called National
> Rail Network as published by the AROU we seem to have a recommendation
> for loco axle loads of maximum 22 tonnes ( locos fully fuelled and
> sanded) , but maximum wagon axle loads of 25 tonnes are permitted.
> Does anyone know why this is , ie why are locos less.
>
> Also, is there any real engineering reasons for the 22 tonnes.
> When the Pilbara Iron Ore railways were built back in 1968,even then
> they were running 32 tonne axle load locos on 60 kg/m rail.
> There is today quite a bit of 60 kg/m rail on the National Rail
> Network but we are still stuck with this absurdly low axle limit.
> Irs even more absurd when you try to run 4000 HP locos on 22 tonnes.,
>
>
> MD
>