Re: Wellington N.S.W rail bridge

["f.u.i.t.b.e.t" <fuitbet@yahoo.com.au>]

Is not the one at Wagga the same design too?
It has many many fractures and because of the brittle nature of the iron
>
"Bruce Greening" <norrail@optusnet.com.au> wrote in message
news:3ABF03BF.D4C8070@optusnet.com.au...
> The reason for the current restrictions is deformation in one of the
arches has
> been observed. New arches are being constructed and will be fitted in a
few
> weeks time. Meantime extensive checks on the design and strength of the
bridge
> are being carried out. Obviously new computer aided design tools allow
much more
> detailed checking than would be available to original designers.
>
> Ian Larcher wrote:
>
> > If memory serves me correctly the reason for the 10kph speed limit on
the
> > Wellington Bridge is its Wrought Iron (not steel) construction, like
several
> > other bridges of its era (Bathurst for one)  it apparently was designed
&
> > constructed in the UK then dismantled shipped out here & reassembled.
> >
> > As far as I am aware the only bridge of this design not to have a speed
> > restriction is that at Cowra, the last of this design built. It was
> > constructed in Belgium of Steel, but still retains the cast iron piers
> > common to all this design. I was always told that the speed restrictions
> > were because of the brittleness of wrought iron compared to steel.
> >
> > "William Ivery" <willivery@optusnet.com.au> wrote in message
> > news:3abc8d39$0$25519$7f31c96c@news01.syd.optusnet.com.au...
> > > If the bridge was closed the XPT would terminate at Orange and
passengers
> > > transfered to Stuart Town, Wellington and Dubbo by road.
> > >
> > > The bridge itself is alright (its made of steel), the problem is that
the
> > > track is on wooden sleepers and there are white ants in them, hence
the
> > > speed restriction and dirversion of freight trains because they are
too
> > > heavy for the damaged sleepers.
> > >
> > > William Ivery
> > >
> > > "Chris Brownbill" <cbrnbill@enternet.com.au> wrote in message
> > > news:3ABC47DD.CDC83F8A@enternet.com.au...
> > > > Tom & Maria Jessop wrote:
> > > >
> > > > > it is also believed that XPT W27/28 also went via Parkes to Dubbo
on
> > > > > Thursday 22/03/01.
> > > >
> > > > I find that hard to believe.  Surely it would never get there and
back
> > in
> > > anything like the time available to make a day return to Sydney.
> > >
> > >
>
> --
> Bruce L. Greening
>
> Norrail@optusnet.com.au
> http://members.optusnet.com.au/~norrail
>
>