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Crank length

Crank length

Crank length

(OP)
Hello..what is the formula for calculating crank length for reinforcement in columns and beams?

RE: Crank length

OK, I'll bite.
What is a crank length and what does it have to do with reinforcing in column and beams?
You'll be better off if you use common terms, not some jargon.

RE: Crank length

Smitash:
Are you a real working engineer or a student? If the former, you might want to discuss your questions with your boss or a senior engineer so they know what you know and what you don’t know, and they can help keep you out of trouble. They can be looking at the same plans you are looking at, do sketches on the spot, and generally be of more meaningful help. If you are a student, you should be discussing your questions with your Prof. or a T.A. And, if you read the sign-in instructions for joining E-Tips you will find that, for the most part, we don’t do homework problems here. Your questions are pretty basic questions, suggesting that you haven’t had much engineering training or education, you’ll learn more if you have to dig a bit for your own answers, than if we spoon feed you. Your’s would certainly be good discussion questions for the classroom or study lab.

RE: Crank length

I suspect that the above responders are thinking that the "crank length" refers to the rebar 90 degree hook or "J" hook length embedded in concrete.

RE: Crank length

To me, a "crank length" means the length of an offset where bars are lapped in columns, less commonly in beams. Generally on a 1:6 slope, so the crank length varies with the bar size.

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