I looked through the Sheet Pile Design Manual by Pile Buck and don't see any mention of sharing the load between multi-tier tiebacks. Looking at this option in SPW911 it appears that it evenly distributes the loads to all wales instead of the wale load being based on active pressure at a given...
Hi There, first post to the site. I do quite a bit of retaining wall/bulkhead design in coastal South Carolina. I typically like to use composites; however, this is southern yellow pine country and it's cheap. A standard timber wall along the coast here is 2 or 3 by 6 "sloppy v" timber...