Hi all,
I am trying to check a roof slab capacity of an existing building designed in 1971. The slab reinforcement was called out "4x10-#1/#8 x 5' WIDE WWF" and "4 Pieces of 4x6 - #2/ 1/4" WWF". With little experience with WWF, I looked up the ACI318 as well as concrete book but hardly find any...