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I have run the Shear check for that example, and is ok, apparently was checked but not reported in the calculations. Thanks for your comments.

The ones in the example that I found without checking Shear are for underground Catch Basin rectangular precast box, with the floor slab designed as two-way slab, and in a County Airport, with 30,000 lb wheel load with 240 psi max. tire pressure. That is why called my attention, because all the...

Just to clarify what was said in other post: " slabs designed for moment do not need to be checked for shear"

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...