I’m not actually planning to build with this but I’m trying to wrap my head around concrete beam strength in general. I am building a timber frame structure and after adding an addition I’m thinking of knocking out part of a wall. Before researching it further I was hoping someone might have some known examples of concrete beam span strength?? Like a 4×4 of concrete or 6×6 or 8×8 etc any example of span strength. Say a 8×8 of concrete with a piece of repair was spanning 120” what would be the middle point maximum weight load. Any trusted examples would be great I’m just not sure if concrete at small sizes is comparable to wood or much stronger?? Thanks

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