The discussion revolves around the placement of steel bars in reinforced concrete, focusing on understanding which parts of the concrete are under tension. Participants express confusion regarding the criteria for rebar placement and seek clarification on the topic.
The discussion is ongoing, with various participants offering insights and references to literature. There is a recognition of the complexity of the topic, and some participants suggest that simpler resources may be necessary for better understanding.
Participants note that the part of the concrete in tension is influenced by loads and their vectors, indicating a need for more information to accurately determine rebar placement. There is also mention of the assumption of prior knowledge required for some references suggested.
Lore said:Just wondering if that documents maybe a wee bit complex for what he's after TVP?
ChillyWilly said:When you say parallel I'm asuming that you are talking about floors and parallel to the floor surface. That makes sense, but the placement of the rebar needs to be correct. In a parking floor you need the rebar 3/4 or so the thickness of the concrete slab from the top surface as this would be the part of the slab in tension. In other words the force on the concrete is (lets assume) perpendicular to the slab and it would make the slab bow and the under side would need to strech a bit.