The Structural Systems oF Tall Buildings - Tall Buildings: Structural Systems and Aerodynamic Form - page 79

~80-49m
(from bottom to top)

Figure 3.67 John Hancock Center, Chicago, USA, 1969
(photo courtesy of Marshall Gerometta / CTBUH)

(a) (b)

Figure 3.68 Trussed-tube system: (a) Steel or composite, (b) Reinforced concrete