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RE: CMU rebar splice

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Based on what, Larry? Do you have evidence of walls failing due to inadequate 
 development length when subjected to design loads (or lower)?

Just curious.

T. William (Bill) Allen, S.E. (CA 2607)
A L L E N   D E S I G N S
Consulting Structural Engineers
33171 Paseo Cerveza, Suite 221
San Juan Capistrano, CA 92675
V (949) 248-8588 • C (949) 374-1536

-----Original Message-----
From: seaint-seaosc(--nospam--at) [mailto:seaint-seaosc(--nospam--at)] On 
Behalf Of lrhauer(--nospam--at) Sent: Thursday, October 30, 2014 12:41 PM
To: seaint-seaosc(--nospam--at)
Subject: Re: [SEAINT-SEAOSC] CMU rebar splice


I've been around long enough and done so many CMU free standing walls, all 
with the old lap lenght requirement of 40D, (25" for #5's). Am I continuing 
 to do so? No- call it conserative in old age/complyng with new code 
requirements/whatever. But, yes, I agree the lap splice of #5 verts in a CMU 
 cantilevered wall to the footing dowels should be more than 25".

Larry Hauer, S.E.

-----Original Message-----
> From: Steve Gordin <sgordin(--nospam--at)>
> Sent: Oct 30, 2014 11:36 AM
> To: seaint-seaosc(--nospam--at)
> Subject: Re: [SEAINT-SEAOSC] CMU rebar splice
> Larry,
> This is correct.  However, imagine a 10 ft free-standing CMU wall in
> CA with #5 rebars stressed to 90% of Fs=24ksi (ASD). Will you be

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