Quote:
Originally Posted by vash
dean, can you preload the beam?
weld the ends of the crane closed. drill a hole. run a length of cable inside on the half of the beam that sees the tension loads, and tighten it up with treaded rod. hell, the cable could be the threaded rod. preload it. concrete geeks do it all the time.
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They do that all the time to prove concrete but it's more of a quality control check, a structural or mechanical engineer doesn't have that luxury. They have to use math to make a determination.