[SystemSafety] Spanish train crash

Ignacio González (Eliop) igtorque.eliop at googlemail.com
Fri Jul 26 08:14:21 CEST 2013


Peter:
These trains are special units able to use HS tracks (European standard)
and also Iberian tracks (which are wider). In this particular case, they
are from Talgo. The line is a HS track with different ERTMS levels; most of
them are L2 or L1, but some of them are "only" ASFA, where the braking
process is only supervised in discrete points. It appears that this section
was ASFA, with a speed limit of 80 km/h.
A friend of a friend of mine was in the train. She is in the hospital, but
at least he is alive.



2013/7/26 Peter Bernard Ladkin <ladkin at rvs.uni-bielefeld.de>

> Very sad stuff, disturbing.
>
> The first part of this article shows the derailment as it happened
>
> http://gu.com/p/3ht4p
>
> It seems odd to me, but I am not a specialist rail investigator.
>
> It sort of looks like Alstom kit, but I had thought the Spanish
> multiple-unit HSTs were Siemens (I've not actually been in Spain to see).
>
> Given the lengths of those trains, one can estimate the geometry of the
> curve and see the bank angle of track. It doesn't obviously look to me like
> something that cannot be taken at 190kph. Does it look more obvious to the
> specialists here?
> Isn't there a continuous-linear-control system on those trains (and what
> looks to be new track) that enforces speed control?
>
> PBL
>
> Prof. Peter Bernard Ladkin, University of Bielefeld and Causalis Limited
>
> _______________________________________________
> The System Safety Mailing List
> systemsafety at TechFak.Uni-Bielefeld.DE
>
>
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