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Development/Splice length for reinforced concrete?
For anyone who's done any concrete design/detailing, I've got a question about how you handle a particular situation. I have a simple span box-girder bridge with a composite concrete deck. Traditional deck design (not empirical), 4 layers of reinforcement in the slab. The span length requires that I splice the longitudinal deck bars. Which development/splice provision is appropriate here? Since it is a simple span, the bars aren't tension bars, they're in the compression zone for the member but aren't there for strength, they're really just temperature/shrinkage bars.
Applicable design code is AASHTO LRFD.
2 Answers
- oil field trashLv 75 years agoFavourite answer
The code calsl for a minimum overlap of splices regardless of the load on the re-enforced concrete. I don't remember the amount of over lap but it is something like 10 or 20 diameters of the rebar size.
- 4 years ago
What kind of engineer are you? You really can't figure this one out? Did you get your degree in some third world country?
