Hello William,
When did this change?
That is why I said Victorian Railways.
Regards,
Glen
On Mon, 3 Dec 2018 at 13:10, William Jackson apairofjacks@...>
wrote:
> Glen
>
> Normal practice on the railways of Victoria is a minimum length of 6 metres
>
> William
>
>
>
> *From:*tramsdownunder@... [mailto:
>tramsdownunder@...] *On Behalf Of *gleng20.mills
> *Sent:* Monday, 3 December 2018 11:43 AM
> *To:* TramsDownUnder tramsdownunder@...>
> *Subject:* Re: [TramsDownUnder] What lies beneath?
>
>
>
> Hello Mal,
>
>
>
> Normal practice in the past with Victorian Railways was to use a minimum
> closure length of ten feet.
>
>
>
> The problem with Thermit welds joining non-matching rail sections together
> is purely with the moulds as it must conform to each rail section.
>
>
>
> Regards,
>
>
>
> Glen Mills
>
>
> On Saturday, 1 December 2018 15:02:00 UTC+11, Mal Rowe wrote:
>
> On 01/12/2018 09:07, Dale Budd wrote:
>
>
>
> There are many dipped welds in this area but this joint is special.
> Evidently it is a repair of a previous fault but the job was botched. A
> metre of replacement rail has been inserted, apparently not properly
> supported. The extent of the insertion and patched paving is shown in the
> attached photo from a slightly different angle.
>
>
>
> Short patches like that are still current practice. I have seen many of
> them done recently in Raleigh Rd, Maribyrnong and last year in Dawson St
> Brunswick.
>
> However, Thermit welds are no longer used - the joints are arc welded with
> side and base plates (as seen in the attached pic).
>
> The change may be due to problems with Thermit welds in such joints, but
> is more likely due to the impossibility of doing a Thermit weld with rail
> cross sections that don't match.
>
> Mal Rowe - noting that these joints are temporary, but that can mean years.
>
>
>
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