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Re: GUARD RAIL FOUNDATION/ANLYSIS & DESIGN ?

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Well my friend,

I know the Load path; thats not my problem. Iam looking for an idea with
regards to the forces to be considered in the analysis & design of the Guard
Rail Foundation.

I think STATHIS PAPAGEORGIOU has provided a fairly good insight on the issue
already.

Thanx any way for your help.

SYED FAIZ AHMAD


From: sirshendu mondal <sirshendu_m(--nospam--at)yahoo.com>
Reply-To: <seaint(--nospam--at)seaint.org>
To: seaint(--nospam--at)seaint.org
Subject: Re: GUARD RAIL FOUNDATION/ANLYSIS & DESIGN ?
Date: Fri, 15 Mar 2002 08:27:07 -0800 (PST)

all the forces acting at the guard rail will be
transmitted to the soil through the foundation only so

what ever loads you have considered , the effect
should to taken in the fonudation design,as the
foundation must be stable ...does this help you


--- syed faiz ahmad <syedfaiz23(--nospam--at)hotmail.com> wrote:
> Learned Members of the LIst,
>
> As you all may be knowing GUARD RAILS are protective
> barriers along side
> roads to protect the 'Street Furnitures'. Its other
> purpose is also to keep
> the vehicles within it, when hit, and not allow it
> to overturn or return to
> the track which might cause collision with the
> vehicles on this track.
>
> The GUARD RAIL foundations are usually not
> Engineered & the supplier's
> recommendation vis-a-vis its foundation is adopted.
> But I need to Engineer
> it because Iam contemplating an 'Alternate
> Foundation Type' for it.
>
> My questions therefore are:
>
>     -  how to go about the analysis & design of
>        the guard rail foundations? For those of you
>        who donot know it already, the GURAD RAIL
>        consists of:
>
>           - a flex beam of corrugated sheet metal
>             fixed to the post; the post is usually a
>             Channel Section about 700 mm (2ft-4in)
>             high & center to center distance between
>             posts are usually 1.90m or 6 ft 4-in.
>
>           - the post is either driven into the soil
>             or usually embedded in the concrete
>             foundation which is usually 1.20 m
>             deep; the plan dimension of this
>             concrete foundation is usually 450&450
>             or 18"* 18".
>
>     -  What forces should be taken into account?
>
> Any body having experience in the analysis & design
> of GUARD RAIL FOUNDATION
> willing to share his/her expertise, please? Thanx in
> advance for the help.
>
> SYED FAIZ AHMAD; MENGG, MASCE
> SENIOR STRUCTURAL ENGINEER
> SAUDI OGER LTD
> RIYADH, SAUDI ARABIA.
>
>
>
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SYED FAIZ AHMAD; MENGG, MASCE
SENIOR STRUCTURAL ENGINEER
SAUDI OGER LTD
RIYADH, SAUDI ARABIA.


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