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Metal Base shoe for timber post - can it transfer biaxial horizontal load

Metal Base shoe for timber post - can it transfer biaxial horizontal load

Metal Base shoe for timber post - can it transfer biaxial horizontal load

(OP)
Please see the attached photo.
The question is: Can a metal "U" shaped shoe at the bottom of the timber post transfer biaxial horizontal forces to the pier below, given that the metal shoe is nailed only on 2 opposite faces of the post? There are diagonal wood members coming nailed to the base on the post in mutually perpendicular directions, with about a thousand pound factored force in each diagonal.

RE: Metal Base shoe for timber post - can it transfer biaxial horizontal load

Was there an attached photo? I couldn't find one.

I believe the 'U' shaped shoe can transfer some horizontal force in each orthogonal direction but is not ideally suited for it. A double 'U' shape would be a better idea.

See the attached Simpson StrongTie file. The F1 and F2 forces are shown in red below the tables.

http://www.strongtie.com/ftp/catalogs/c-c-2015/c-c...

RE: Metal Base shoe for timber post - can it transfer biaxial horizontal load

(OP)
Sorry -- I forgot to attach it. I do not have the photo here in the office but will attached it when I go home later in the day. Thanks for pointing this out to me.

RE: Metal Base shoe for timber post - can it transfer biaxial horizontal load

(OP)
Thank you BAREtired for this information. Very interesting.

Attached is the photo that I forgot to attached earlier today. Somehow I doubt that the shoe shown here can take the 900 ± pound unfactored load in each direction that I figure is applied from the diagonal wood bracings nailed to the post, although I do not know the gauge of the saddle nor the nail size used.

RE: Metal Base shoe for timber post - can it transfer biaxial horizontal load

Are you confident that the grouted masonry pier and footing can resist the moment from the horizontal force applied eccentrically to the top of pier? If so, you could probably design a special shoe which could do the job. If not, the shoe capacity is not the only problem.

RE: Metal Base shoe for timber post - can it transfer biaxial horizontal load

(OP)
BAretired: Yes thanks I know that the pier is also a problem. My thought was to wrap the outside of the pier with a welded wire mesh and then apply a bonding agent to the blocks and a 1" thick parging all 4 sides of the block, to make it a reinforced pier. There are 2-15M existing epoxy coated dowels at the bottom of the pier grouted 6" into the rock that extend 6" into the grouted pier and perhaps I can justify that the mesh laps with these dowels, but I have not yet done the calculation.

My other option is to build a stud wall down to a new continuous footing on the rock and extending up to the perimeter rim beams at first floor level, getting rid of the cross bracing.

I would present both options to the owner and his contractor and the contractor's architect/engineer. I expect the second option is more expensive, but perhaps still preferable, although the owner may have to contribute partially to the cost because he would be gaining a basement.

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