I have a question, what are the possible fails for a rectangular underground concrete vault built with single rebar mats in walls without connecting the Rebar mats with "L" bars at corners 12" o.c. vertical spaced as typical. In other words none continuous reinforcement at corners.
I have a question for underground precast structures, specifically rectangular or square boxes, vaults, if I need to check Shear for the floor slab design. I have seen that in several references like Precaster Notebook, a design from Delta Engineering for a CSX Cooper-E80 load and other...
How much Air Content do I need to assume to design a Dry Cast mix for Reinforced Concrete Pipe?
Zero? or 2% in average? I am updating my mix designs that have a 27 cu.ft/ cu.yd yield but with 0% air, but the yield raise if I put air, and I should need to adjust and reduce the aggregates weight...
