I've been searching for a reference for the design of corrugated steel bin design and cannot find anything other than a paper written in 1909. Lots for straight wall bins; lots of vendor adds and links to erection manuals; surely there is a widely accepted basis for the design of corrugated...
Does any one have a good reference for evaluating retrofit openings in existing tilt-up concrete walls? We have shop drawing of the existing panel, know the reinforcement and spacing, concrete strength, etc. My concern is cracking at the corners of the new opening and what should/can be done for...