bearing

[Jim Baird]

Codes want 3 inches bearing for wood on masonry.

This has been like this for about 40 yrs.

Wonder why it has not rolled any?

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[Mike Lamb]

It was added and not really needed? Funny picture regardless.

[kurt]

Probably a lot of reasons, all based in the general resilience and stability of the average wood frame assembly. Think how much total crap we look at every day that's holding up just fine.

[Marc]

Luck?

Marc

[Tom Raymond]

If it's that clean after 40 years they must have gotten more right than wrong.

[Jim Baird]

...maybe just evidence that code minimums are way overdone. This is original, far as I can tell. Doubt it would stand under an earthquake effect tho.

[kurt]

I wouldn't say overdone. Conservative, certainly.

[mjr6550]

Probably tilted just enough to transfer the load close to the inside face of the beam. So, the load is less eccentric and then add some friction (and good block work).

[Jim Baird]

...this wasn't a trick question. I do see slight rotation of the top away from the beam, but I think there are lots of toenails in those joists that lock down the top edge. Beam was thrown in, I think, maybe as afterthought, to support a partition between a utility room and a living one, during framing.