Concrete Brackets

Pole Barn Guru Blog

Am sure yesterday’s blog posting on moments left a few folks scratching their heads. There actually was a method to my madness, as it leads into today’s topic.

Many may have seen various column bases at their local lumberyard or big box store. Manufactured by either Simpson or USP (similar to Simpson CB66), these products have some serious, and perhaps fatal consequences if used to support posts in a pole building.

Why?

These bases are not designed to resist overturning (moment) loads. Now this poses a challenge – how to connect post frame building columns, to a concrete foundation?

There is a solution…..

building bracketsSturdi-Wall concrete brackets are a heavy duty anchor system designed to connect post frame structures to traditional concrete foundations such as: monolithic slabs, formed walls, and existing concrete pads.

There are two types of Sturdi-Wall concrete brackets. When drill setting is preferred, the standard Sturdi-Wall is used. When setting into wet concrete, the Sturdi-Wall Plus is used.

One challenge, not directly mentioned by the product manufacturer, is the standard Sturdi-Wall concrete bracket is not designed for moment loads. Post frame buildings want to overturn; they do induce moment loads, which leads me to discourage people from using the standard bracket for this application.

Wet set installation with Sturdi-Wall Plus brackets provides the highest ultimate strength connection to a foundation, but requires being installed while the concrete is still wet. This technique avoids time consuming drilling with a masonry bit and expensive concrete anchors. Sturdi-Wall Plus concrete brackets require less concrete coverage than normal Sturdi-Walls, allowing them to work well in pier foundations.

A pier foundation would be one where isolated holes are augered or dug, then poured full of concrete.

For cases where, for whatever reason, it is desired to NOT place pressure preservative columns into the ground to support a pole building, the Sturdi-Wall Plus concrete bracket provides an solution which is capable of resisting uplift, shear and moment forces.

See, it was worth struggling through yesterdays’ blog on “bending moment” to make you “in the know” for today!

6 thoughts on “Concrete Brackets

  1. boo radley

    Wow. Good stuff.

    Let me ask you, in the article you say that sturdi wall plus brackets can be used in concrete piers. I am considering using them in sonotube piers to build a two story shop building (24×32). Do you have any suggestions about depth and diameter of piers, and post spacing with this arrangement? The info on their website is simply too skinny.

    Reply
    1. polebarnguru Post author

      Thank you very much for your kind words.

      Typically columns on a 32′ wall would be spaced 10′-12′- 10′ and endwalls every 12′, of course with appropriate variations for door locations. In order to determine depth and diameters, it would take a complete engineering analysis of your buildings as dead loads, wind speed and exposure and soil bearing capacity all need to be appropriately factored in. If you are ordering a Hansen Pole Building, then all of these are accounted for after your order has been placed.

      Reply
  2. Eric

    I am going To put up a patio roof structure I need concrete brackets for posts that are being made from hundred year old barn beams they are 7 to 8 in.² where do I find brackets for that.

    Reply
    1. admin Post author

      Hello Eric,
      We source brackets for Perma-Column. I would suggest contacting the Pro Desk at your local Home Depot or lumberyard to check availability in your area. I would also advise using a registered design professional to confirm the posts and other materials will meet your local design criteria.
      Thank you,
      PBG

      Reply

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