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Re: CMU rebar splice[Subject Prev][Subject Next][Thread Prev][Thread Next]
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- Subject: Re: CMU rebar splice
- From: Steve Gordin <sgordin(--nospam--at)sgeconsulting.com>
- Date: Fri, 31 Oct 2014 10:28:00 -0700
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Bill, There were a more than one reason for these failures (one being some cells with rebars not grouted at all :)). I did not investigate the relevance of these failures to the splice lap length, but would assume that these were inadequate as well. There was even a study (it is in the Northridge conference materials) correlating the direction and extent of CMU property wall failures with the direction and strength of the seismic forces. I also do remember inspecting a Kmart in Northridge when an aftershock happened and the roof and the CMU walls started falling down. But this was more of a cross-grain shear issue, I guess. Steve ______________________________ V. Steve Gordin PhD Licensed Structural Engineer SGE Consulting Structural Engineers 2081 Business Center Drive #105 Irvine CA 92612 949-552-5244 sgordin(--nospam--at)sgeconsulting.com On Oct 30, 2014, at 5:14 PM, "T. William (Bill) Allen, S.E." <Bill(--nospam--at)AllenDesigns.com> wrote: > Steve - > > About those 6' tall CMU walls on the ground. Did they fail because the > reinforcement broke their bond (due to inadequate lap) or was it more of > a global instability problem? > > 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 > www.AllenDesigns.com > > -----Original Message----- > From: seaint-seaosc(--nospam--at)mail-list.com [mailto:seaint-seaosc(--nospam--at)mail-list.com] On > Behalf Of Steve Gordin Sent: Thursday, October 30, 2014 4:11 PM > To: seaint-seaosc(--nospam--at)mail-list.com > Subject: Re: [SEAINT-SEAOSC] CMU rebar splice > Truncated 671 characters in the previous message to save energy. ------------------------------------------------------------------------- Post your message to the list by sending it to: SEAINT-SEAOSC(--nospam--at)mail-list.com. The email messages sent to the list will be saved in an archive on the World Wide Web. These archives are located at: http://archive.mail-list.com/SEAINT-SEAOSC To contact the list owner, send your message to: SEAINT-SEAOSC-list-owner(--nospam--at)mail-list.com. Sponsored By: Pacific Structural & Forensic Engineers Group, Inc. (PSFEG) To unsubscribe, switch to/from digest, get on/off vacation, or change your email address, click here. <http://cgi.mail-list.com/u?ln=seaint-seaosc&nm=seaintma%40euken.net>
- RE: CMU rebar splice
- From: T. William (Bill) Allen, S.E.
- RE: CMU rebar splice
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