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Re: welded wire fabric for columns

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In a message dated 12/11/2007 2:03:08 PM Pacific Standard Time, d.topete73(--nospam--at)gmail.com writes:
I did assume the lapping of the wire would need to be at least that.  Similarly, how much of a lap would I need if I had lapping longitudinally?  12"?  FWIW, I will likely get to use an increased section.

On Dec 11, 2007 12:22 PM, <Jnapd(--nospam--at)aol.com> wrote:
In a message dated 12/11/2007 8:54:33 AM Pacific Standard Time, d.topete73(--nospam--at)gmail.com writes:
Thanks for the reply, Jim.  At this point, i've asked the architect to increase the diameter of these small canopy columns.  Apparently, the tightest diameter (available) of a spiral tie would reduce the clear cover.  I also thought the wwf would require a lot of lapping and cutting.  Thanks again.


On Dec 11, 2007 4:43 AM, Jim Getaz <jgetaz(--nospam--at)shockeyprecast.com> wrote:

            David,

                        I have used WWR for column ties, though only in very lightly loaded ones, nor were they CIP, only precast. I think as long as the mesh meets ACI 318 for ties, there are no issues. In seismic regions, this means the ends need to be anchored within the confined concrete, which means cutting a lot of wires.

            HTH,

            Jim Getaz

            Precast Concrete Engineer

            Winchester, Virginia




--
David Topete, SE
Dave
 
This may be wrong but I would think you would have to overlap the mesh 6" min if not more.
 
Joe Venuti
Johnson & Nielsen Associates
Palm Springs, CA
Dave
 
I had a possible client call with his patio project 8" dia concrete cols 8' tall................and the city is asking for justification for what thay built.............passed this project up. I was asking owner and contractor what they installed ..........oh how the memory fails when confronted with a booleg project.
 
Joe Venuti
Johnson & Nielsen Associates
Palm Springs, CA