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Re: CMU rebar splice

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Unless the formulas ahve changed from the '05 and '11 masonry codes, that 
sounds about right based on Equation 2-12 of the ACI 530-11. There used to 
be something in the code that if you had multiple bars in a cell with less 
than a certain spacing, lap lenghts needed to be increased by like 50% or 
so. Not sure if it is still there.

Larry Hauer, S.E.

-----Original Message-----
> From: Steve Gordin <sgordin(--nospam--at)>
> Sent: Oct 30, 2014 9:29 AM
> To: seaint-seaosc(--nospam--at)
> Subject: [SEAINT-SEAOSC] CMU rebar splice
> Good morning,
> Have you noticed that the CMU rebar splicing per ACI 530-13 was drastically 
> reduced?  For 8" CMU, the centered #5 rebars with 3" cover appear to require 
> only about 26" of overlap - while traditionally it was 45" for stress
>> =80%Fs…
> Am I reading it correctly? Is everybody comfortable with this?
> Thanks,
> ______________________________
> V. Steve Gordin
> Licensed Structural Engineer
> SGE Consulting Structural Engineers

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