[modeleng] Re: Elevated track systems

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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