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Re: REPOST: Steel Lintel Bearing on Masonry Wall

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Dave:

Related to the anchorage I think it is not neccesary to let move the lintel,
at least for spans of 6´.
You might  put  it on a concrete block  enough wide to distribute the loads
in the brick wall anchoring with a welded plate. and dressing that wall area
, with a sheet of hollow metal to prevent  the  unforeseen cracking. due to
the uplift of the extreme of the beam when it rotates.


FABIO ZARATE
ZYZ CONSULTORES

----- Original Message -----
From: "Dave Nuttall" <dnuttall(--nospam--at)somervilleinc.com>
To: <seaint(--nospam--at)seaint.org>
Sent: Friday, February 22, 2002 10:14 AM
Subject: REPOST: Steel Lintel Bearing on Masonry Wall


> This is a repost of an earlier listing to which only 1 person initially
> responded.  This is a topic which I am hoping can be further discussed.
>
>
> I would still like to know what the various opinions are regarding the
> bearing of a steel lintel on a masonry wall.
>
> The typical lintel in question consists of a W section with a plate below
> spanning somewhere between 6' and 30'.
>
> Besides calculating the required bearing length, is there a preferred
method
> of anchorage?
>
> Should the lintel truly be anchored to the masonry by welding  it to a
> bearing plate, or should the lintel have provisions to move slightly so as
> not to produce fixity?
>
> What complications occur by fixity if the lintel is supporting a cavity
> wall, where the brick wants to expand, and the cmu backup wants to
contract,
> but the lintel is only bearing on the cmu?
>
> Does one method produce a different expansion joint & control joint layout
> over another method?
>
> I would also like to know the various details and configurations of the
> different cavity wall lintels used by my peers.
>
> Your opinions are appreciated,
>
> Dave Nuttall, P.E.
> Green Bay, WI
>
>
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