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I have an existing utility building built with large (8x8) timbers.

There is little, or no, shear strength in the wall diaphragms and it would be very hard to shear them with conventional plywood shearing, etc., because of the timber construction.

So I was brainstorming how to install criss-crossing diagonal tie rods in an X pattern and came across this odd picture:

https://bayarearetrofit.com/wp-content/uploads/HORIZONTAL-HOLD-DOWN-TENSION-TIE.jpg

... never mind the concrete ... can I install something like this at a 45 degree angle on the face of an 8x8 (probably 12+ inch length) and install another one on the opposite end and tighten a tie-rod between the two ?

Or, more specifically, can I do that and achieve strength that would meet, or exceed, the shear resistance of a conventional plywood shearing over typical framing ?

This picture was in the context of successful installations and was NOT a "what not to do" example ... it surprised me and I wonder if it is sane.

Thanks.

user227963
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