For those who attended the AIA seminar Serena Chen and I presented on 11/29/10 & 12/05/10, Here are some additional links that may provide additional insight.Concrete info SLUMP TEST Ratio Truss info Some additional links to assist in study for ARE StructuresSeismic Design ..................... UBC 94 component of this link is obsoleteRetaining WallsConcretereview materialNote : for exam purposes only, if excluding admixtures, we...