[SystemSafety] The Carmont/Stonehaven rail accident

[Tim Procter]

>> Which suggests and approach similar to that suggested by Brent is being
followed.

It certainly is.

https://www.transport.nsw.gov.au/system/files/media/asa_standards/2019/t-hr-ci-12100-st.pdf


On Fri, 14 Aug 2020 at 9:37 pm, Mike Ellims <mike at ellims.xyz> wrote:

> Good morning all,
>
>
>
> Being a climber one of the more unusual things I follow on an occasional
> basis is the AGU Landslide Blog by Dave Petley of University of Sheffield
> which discusses the accident at;
>
>
>
> https://blogs.agu.org/landslideblog/2020/08/13/stonehaven-1/
>
>
>
> One of links provided takes you to a report on geotechnical issues faced
> by the railways which has multiple of photos of other landslips and other
> deformation but didn’t lead to an accident resulting in loss of life, for
> example the photo on page 16 has the caption “The extensive cutting
> experienced multiple failures since 2000 with two resulting in train
> derailments”. Below that is a timeline.. the first entry is “1990’s –
> British Rail Soil Mechanics divisions sold off. Drainage knowledge lost”.
>
>
>
> A photo on page 44 has the caption “Rapid failure of a soil cutting at
> Murthat in Scotland on the West Coast Main Line (Nov 2015). Asset showed no
> evidence of failure prior to slumping towards the track after a period of
> relatively normal rainfall. Failure identified by the driver of a passenger
> train travelling at 125mph”.
>
>
>
> Landslips seem to be a significant issue.
>
>
>
> Oh and page 13 has an example of the now ubiquitous risk matrix :-)
>
> The report can be found at;
>
>
>
>
> https://www.networkrail.co.uk/wp-content/uploads/2018/07/Earthworks-Technical-Strategy.pdf
>
>
>
> Which suggests and approach similar to that suggested by Brent is being
> followed.
>
>
>
> Cheers.
>
>
>
>
>
> *From:* Dewi Daniels [mailto:dewi.daniels at software-safety.com]
> *Sent:* 13 August 2020 21:04
> *To:* Peter Bernard Ladkin
> *Cc:* Brent Kimberley; systemsafety at lists.techfak.uni-bielefeld.de; Mike
> Ellims
> *Subject:* Re: [SystemSafety] The Carmont/Stonehaven rail accident
>
>
>
> Peter,
>
>
>
> There was also the fatal accident at Llandeilo on 1987-10-19 where a train
> fell into the River Towy after a bridge was partially washed away by floods.
>
> Yours,
>
> Dewi Daniels | Director | Software Safety Limited
>
> Telephone +44 7968 837742 | Email d <ddaniels at verocel.com>
> ewi.daniels at software-safety.com
>
> Software Safety Limited is a company registered in England and Wales.
> Company number: 9390590. Registered office: Fairfield, 30F Bratton Road,
> West Ashton, Trowbridge, United Kingdom
> <https://www.google.com/maps/search/30F+Bratton+Road,+West+Ashton,+Trowbridge,+United+Kingdom+BA14+6AZ?entry=gmail&source=g>
>  BA14 6AZ
> <https://www.google.com/maps/search/30F+Bratton+Road,+West+Ashton,+Trowbridge,+United+Kingdom+BA14+6AZ?entry=gmail&source=g>
>
>
>
>
>
> On Thu, 13 Aug 2020 at 20:23, Peter Bernard Ladkin <ladkin at causalis.com>
> wrote:
>
>
>
> On 2020-08-13 20:17 , Brent Kimberley wrote:
> > Using asset Management records,  civil & geological know-how,
> hydro-logical / precipitation
> > telemetry, and roadway/railway state estimator(s),  one could develop
> estimate track risk factors
> > which roll-up into a roadway/railway forecast system for use by railway
> engineers ...
>
> Well, sure. On the other hand, you could go through the *entire list* of
> railway accidents in the UK:
>
> https://en.wikipedia.org/wiki/List_of_rail_accidents_in_the_United_Kingdom
>
> and, until yesterday, come up with two (in 190 years) that had
> weather-related causes, namely on
> 1977-07-02 and 1986-06-15.
>
> They both had to do with tracks deforming under heat.
>
> PBL
>
> Prof. Peter Bernard Ladkin, Bielefeld, Germany
> Styelfy Bleibgsnd
> Tel+msg +49 (0)521 880 7319  www.rvs-bi.de
>
>
>
>
>
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