How to address post embedded in concrete pier
How to address post embedded in concrete pier
(OP)
I have a situation where I have several circular posts embedded in concrete. The posts support a chain link fence. Therefore, there is wind load on the post transferring moment and shear to the pier. My question is what loads to you see being transferred? I am accounting for bearing of the post against the concrete due to moment, and tension in the pier due to shear at the top of the post. We typically provide .5% steel for confinement. There are no uplift forces so studs have not been included welded to the post.






RE: How to address post embedded in concrete pier
PCI Design Handbook Precast and Prestressed Concrete 6th Ed Section 6.9
PCI Engineering Journal Precast Concrete Connections With Embedded Steel Members
ACI Journal Strength of Embedded Steel Sections as Brackets
ASCE Guidelines for Design of Joints between Steel Beams and Reinforced Concrete Columns
The moment capacity depends on the concrete bearing. The additional welded reinforcement will increase the capacity. See attached PDF file.
anchor bolt design per ACI 318-11 crane beam design
http://www.civilbay.com
RE: How to address post embedded in concrete pier
Please ignore my reply here or take it out
anchor bolt design per ACI 318-11 crane beam design
http://www.civilbay.com
RE: How to address post embedded in concrete pier
The metal pole just has to be restrained ith in the concrete, and depending on the size of the metal post and concrete pier, a couple of rebar ties at the top should suffice just fine, if that.
Mike McCann
MMC Engineering
http://mmcengineering.tripod.com
RE: How to address post embedded in concrete pier
BA
RE: How to address post embedded in concrete pier
RE: How to address post embedded in concrete pier
Mike McCann
MMC Engineering
http://mmcengineering.tripod.com
RE: How to address post embedded in concrete pier
If you're just talking about an independent fence footing, the depth of foundation will govern and you can just extend the post to almost the full depth and loads will transfer happily through bearing.
You'll want to refer to ASTM F567. There's also a fence design guide put out by the Chain Link Fence Manufacturer's Institute that talks about footing selection http://www.hooverfence.com/chain-link-fence-windlo... .
If you're talking about embedding it in some other structure I'd try to just get away with embedding it in the concrete to develop the moment capacity and then follow the detailing suggestions in the precast literature. I'm familiar with the Canadian manual, but I assume the information's largely the same in the references amec2004 mentioned. It's fairly straightforward.
RE: How to address post embedded in concrete pier
RE: How to address post embedded in concrete pier
Mike McCann
MMC Engineering
http://mmcengineering.tripod.com
RE: How to address post embedded in concrete pier
RE: How to address post embedded in concrete pier
I am still reticent though, the same as the epoxy coated rebar issue I guess.
Mike McCann
MMC Engineering
http://mmcengineering.tripod.com
RE: How to address post embedded in concrete pier
BA
RE: How to address post embedded in concrete pier
RE: How to address post embedded in concrete pier
Sikadur 32, Hi-Mod high-modulus, high strength,epoxy bonding / grouting adhesive is the techs recommended.
RE: How to address post embedded in concrete pier
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Mike McCann
MMC Engineering
http://mmcengineering.tripod.com
RE: How to address post embedded in concrete pier
BA