Referencing thread507-119706
My coworker and I were discussing if all cells need to be grouted fully below grade. The reason for the discussion was specifically an elevator pit composed of CMU walls. He enlightened me that all cells in a CMU retaining wall must be grouted full per code, but...
I am in the same boat. AEI has courses for the new CBT Exam, but they began back in December. They still have an on demand course available. I was thinking about studying for the vertical test and go for it in April, but I am concerned only having 12 weeks of studying.
Were you planning on...
KootK - equation F4-5 in the steel manual is for the critical stress. One of the variables that is needed is the torsional constant, J. It makes sense in my head(FYI, EIT here) where the butt joint exists, the J value would stay the same as the existing beam. This would be the weak point. CJP is...
I have a question regarding a built up section. I am attempting to increase the capacity of a crane from 3 tons to 5 tons. The crane runway beams need to be reinforced. LTB controls, so I am adding web plates on both sides to create a box section.
Existing runway beam:
W21x62 w/ C12x20.7 cap...
