European Tribune - Comments

Open Thread | 74 comments (74 topical, 0 editorial, 0 hidden)

Interesting. I've never heard it called "cant" here, only "superelevation" for railroads and "camber" for auto roads. Good summary at http://en.wikipedia.org/wiki/Cant_(road/rail), which claims that up to 11" (28 cm) of superelevation is used in Europe!

by asdf on Thu Jul 16th, 2009 at 08:37:25 AM EST
[ Parent ]

Re: Connecting Europe (none / 0)

Upon checking, that 11.8" = 300 mm is unbalanced superelevation (i.e. the Euro term "cant deficiency"), and only for tilting trains. That is, how much more elevation would be needed for no side accelerations at maximum speed.

For cant = superelevation itself, in Europe, the general limit is the same as in the US, 160 mm. It can be higher in France, and higher for slab track elsewhere. I thought it is significantly higher, but upon checking:

Slab track on German high-speed lines: max. cant 170 mm (see in this picture)
French high-speed lines: max. cant 180 mm.

_{*Lunatic*, n.

One whose delusions are out of fashion.}

by DoDo on Thu Jul 16th, 2009 at 01:49:53 PM EST
[ Parent ]

Re: Connecting Europe (none / 1)

http://zierke.com/shasta_route/pages/15regulation.html

by asdf on Fri Jul 17th, 2009 at 12:41:58 AM EST
[ Parent ]

Re: Connecting Europe (none / 0)

Good article, thanks.

_{*Lunatic*, n.

One whose delusions are out of fashion.}

by DoDo on Fri Jul 17th, 2009 at 03:04:50 AM EST
[ Parent ]

Open Thread | 74 comments (74 topical, 0 editorial, 0 hidden)

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