This is a residential building, wood framed on a CMU foundation that is below grade. It has already been determined that cracking in areas of the CMU is due to the foundation wall being inadequate to hold lateral soil pressure from the outside. We plan to solve it use bracing of the type as shown in the attached picture.
What I am looking for is general rule of thumb for sizing the posts (tube dimension, metal thickness) and their spacing relative to one another.
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