1.Previous
3.Next

45000 yd3 of concrete and 3,800 tons of steelwork. The use of a concrete superstructure was in contrast to many other skyscrapers, which were built on steel frames. Scutt said a concrete frame was easier to build and was more rigid than a steel frame was. More specifically, it employed a concrete tube structure, which had been pioneered by Bangladeshi-American structural engineer Fazlur Rahman Khan

1.Previous
3.Next