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PUBLICATIONS

Overview of the Structural Design of World Trade Center 1, 2, and 7

Published

Author(s)

Therese P. McAllister, Fahim Sadek, John L. Gross, Jason D. Averill, Richard G. Gann

Abstract

This paper summarizes the primary structural systems which comprised World Trade Center 1, World Trade Center 2, and World Trade Center 7. The buildings were destroyed in the terrorist attacks of September 11, 2001. This paper describes the four major structural subsystems in the towers: the exterior wall, the core, the floor system, and the hat truss. Additionally, the major structural systems within WTC 7 are described: foundation, lateral load resisting system, floor system, and columns.
Citation
Fire Technology
Pub Type
Journals

Download Paper

https://doi.org/10.1007/s10694-012-0285-6

Keywords

World Trade Center, Investigations, Building Collapse, Structural Design
Buildings and Construction, Fire and Disaster and failure studies

Citation

McAllister, T. , Sadek, F. , Gross, J. , Averill, J. and Gann, R. (2012), Overview of the Structural Design of World Trade Center 1, 2, and 7, Fire Technology, [online], https://doi.org/10.1007/s10694-012-0285-6 (Accessed October 10, 2025)

Issues

If you have any questions about this publication or are having problems accessing it, please contact [email protected].

Created September 1, 2012, Updated November 10, 2018
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