Different types of steel materials were used in constructing the One World Trade Center. Structural steel is the major type steel that was utilized in building One World Trade Center given the strong core it required and because of its unique characteristics (E. McQuillan,1)
The main types of steel materials used are:
- Vierendeel trusses which were high strength loading perimeter steel columns fitted together to form a strong, rigid structure.
- Spandrel plates were welded to columns that sprung from the core so as to create modular pieces. The plates would be enforced on every floor so as to transmit stress and enhance stability
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