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RE: bearing on cmu wall

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Check out ACI 530-99, 2.1.7 Concentrated Loads.  2.1.7.3 indicates that
bearing stresses shall not exceed 0.25*f'm
Ken McClure
avanti technologies

> -----Original Message-----
> From: Ken Peoples [mailto:lvtakp(--nospam--at)yahoo.com]
> Sent: Monday, May 22, 2000 8:29 AM
> To: seaint
> Subject: bearing on cmu wall
>
>
> I am by no means an expert in masonry design so
> forgive me for my ignorance here but I have often
> found the wording regarding allowable compressive
> stress in masonry found in the empirical design
> chapter of ACI 530 to be a bit confusing.  The typical
> situation that I have is a CMU wall with a beam
> bearing on it.  I will have a bearing plate and
> specify that the CMU be grouted solid below the
> bearing plate.  If I have type N mortar and 1500 psi
> prisim strength called out for the CMU work, what
> should I be using for the allowable bearing stress?
> Thanks
> Ken Peoples, P. E.
> Lehigh Valley Technical Associates
>
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