[modeleng] Re: Elevated track systems

Ah!  Railroad construction materials then.  Here is
the U.S., you can get into serious trouble with the
law if any of it is found in your possession.

Al Messer

--- TEL <tel@xxxxxxxxxxx> wrote:

> No Al - you are thinking of 'reo'. Point rodding is
> that channel section
> stuff that operates remote points from the signal
> box (it rides on little
> wheels)
> 
> ----- Original Message -----
> From: "Allen Messer" <al_messer@xxxxxxxxx>
> To: <modeleng@xxxxxxxxxxxxx>
> Sent: Thursday, September 28, 2006 8:28 AM
> Subject: [modeleng] Re: Elevated track systems
> 
> 
> > "Point Rodding"...translation, please.  Is this
> what
> > we Yanks call "re-bar"?
> >
> > Al Messer
> >
> > --- Dave Beaman <davebeaman@xxxxxxxxxxxxxxxx>
> wrote:
> >
> > > I wouldn't recommend using point rodding unless
> you
> > > get it free, it is now
> > > £140GBP a 4m length, an expensive track. Lucky
> > > someone in you're group knew
> > > where to get it from John, Mr Cotterell? It does
> > > work well though, I have a
> > > 90ft test track at the side of the house made
> from
> > > point rodding.
> > >
> > > Dave.
> > >
> > >
> > > ----- Original Message -----
> > > From: "John Pagett"
> <john_pagett@xxxxxxxxxxxxxxxx>
> > > To: <modeleng@xxxxxxxxxxxxx>
> > > Sent: Tuesday, September 26, 2006 10:53 PM
> > > Subject: [modeleng] Re: Elevated track systems
> > >
> > >
> > > Harry,
> > >
> > > Well, there are lots of ways of doing it, and I
> > > don't think that any is
> > > necessarily "right".
> > > Our track at Bromsgrove was originally built
> with
> > > piers cast in situ onto a
> > > footing about 3' square. When we extended the
> track,
> > > we used a system copied
> > > from Nottingham and Urmston clubs (possibly
> others
> > > too). The piers are
> > > slightly tapered pillars which stand on a bed of
> > > road planings (not sure if
> > > you'd get those in the US, most roads seem to be
> > > concrete rather than
> > > tarmac).
> > >
> > > In both cases, we've used point rodding (thick
> > > channel section, about 1 1/2"
> > > by 1 1/2", and well galvanised, to support the
> > > track. Timber battens are
> > > laid along the point rodding and the sleepers
> (ties)
> > > are placed across the
> > > battens. The point rodding is fixed to each of
> the
> > > concrete uprights and
> > > this is what provides the stiffness for the
> > > structure. Superelevation can be
> > > produced by jacking and moving the base of the
> > > pillar away from the centre
> > > of the curve.
> > >
> > > There are no concrete sections between the
> pillars.
> > > Pillars are nominally 6'
> > > apart (from memory), it's certainly not less
> except
> > > where fixed objects
> > > (swing out section, for example), are
> encountered.
> > >
> > > Other systems include all concrete (pillar and
> span)
> > > and also an all steel
> > > solution with steel tube used at the pillars
> with
> > > suitable bridging
> > > sections. I can't really comment on these as I
> > > haven't so much experience of
> > > them. The all steel system tends to have no room
> for
> > > adjustment and
> > > therefore needs to be got right first time.
> > >
> > > Cheers,
> > >
> > > JohnP
> > > ----- Original Message -----
> > > From: "Harry Wade" <hww@xxxxxxxx>
> > > To: <modeleng@xxxxxxxxxxxxx>
> > > Sent: Tuesday, September 26, 2006 10:30 PM
> > > Subject: [modeleng] Elevated track systems
> > >
> > >
> > >        I have question for the British
> contingent
> > > about elevated track
> > > structures.        What's been the most popular
> pier
> > > design?  Built-up
> > > piers or imbedded posts?  When erecting masonry
> or
> > > concrete support piers,
> > > what if anything is done to provide a base or
> > > footing?  Is a poured or laid
> > > footing laid first and the piers erected on
> these,
> > > or do the piers tend to
> > > rely upon their own footprint for support?  No
> doubt
> > > the answer to the
> > > first varies with location and substrate.
> > >       What is a typical length of say a concrete
> > > span?  Do builders tend to
> > > pour these in place or pour them on the ground
> and
> > > then lift them into
> > > place?  Any information would be welcomed.
> > >
> > >
> > > Regards,
> > > Harry Wade
> > > Nashville  Tennessee
> > >
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> > >
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