2.Structural System -Lateral Load Resisting System 1.Truss tube outside(Columns+diagonals+belt trusses) 2.Reinforced concrete core tube 3.Outrigger trusses creating interaction between 1,2 -Gravity loads: 1.Reinforced concrete core tube 2.Truss tube outside(Columns+diagonals+belt trusses2. Structural System -Lateral Load Resisting System 1.Truss tube outside(Columns+diagonals+belt trusses) 2.Reinforced concrete core tube 3.Outrigger trusses creating interaction between 1,2 -Gravity loads: 1.Reinforced concrete core tube 2.Truss tube outside(Columns+diagonals+belt trusses)