Chapter
Apr 26, 2012
Thermal Response of the Pentagon Structural Elements
Authors: Paul F. Mlakar [email protected], Donald O. Dusenberry [email protected], James R. Harris [email protected], Gerald Haynes [email protected], Long T. Phan [email protected], and Mete A. Sozen [email protected]Author Affiliations
Publication: Forensic Engineering (2003)
Abstract
An overview of fire damage sustained by the Pentagon structural elements in the September 11 terrorist attack is provided. The fire intensity in some compartments of the affected areas inside Pentagon was approximated to be between those of the two standard fire exposures ASTM E119 and E1529, based the observed fire damage and estimated fuel load. Thermal analyses of the structural columns and beams were performed using the standard fire exposures to demonstrate the increased vulnerability of these structural elements once the concrete cover was lost.
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© 2003 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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Technical Director, U.S. Army Corps of Engineers, 3909 Halls Ferry Road, Vicksburg, Mississippi 39180. E-mail: [email protected]
Principal, Simpson Gumpertz & Heger Inc., 41 Seyon Street, Building 1, Suite 500, Waltham, Massachusetts 02453. E-mail: [email protected]
Principal, J.R. Harris & Company, 1580 Lincoln Street, Suite 770, Denver, Colorado 80203-1509. E-mail: [email protected]
Fire Protection Engineer, Bureau of Alcohol, Tobacco, and Firearms, Arson & Explosives Division, 800 K Street, NW, Room 710, Washington, District of Columbia 20001. E-mail: [email protected]
Research Structural Engineer, National Institute of Standards and Technology, Building and Fire Research Laboratory, Building 226, Room B-158, Gaithersburg, Maryland 20899-8611. E-mail: [email protected]
Kettelhut Distinguished Professor of Structural Engineering, Purdue University, School of Civil Engineering, 129G Civil Engineering Building, West Lafayette, Indiana 47907-1284. E-mail: [email protected]
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