I'm trying to determine the characteristics of reinforcing steel from a building built around 1952. I have a decent set of drawings, but the note designating the rebar is a little muddled. It looks like the call out is for "intermediate grade with deformations to conform to ASTM a-30E". I'm...
We're looking at doing some rehab on a hotel. The exterior walkways appear to consist of composite deck (corrugated steel pans with a 4' slab) with ribs running side-to-side. Some of the walkways, then, have steel tubes on either side to support the walkway. But some, instead, have a sheet...
I'm looking for some clarification regarding the exemption for minimum reinforcement given in ACI 318 10.5.3 (allowed where As provided is at least 1/3 greater than required) versus requirements for a minimum spacing of reinforcement steel of 18" in sections 7.6.5 and 14.3.5. This came up in a...
