TECHNICAL PAPERS
Aug 1, 2005

Description of Structural Damage Caused by the Terrorist Attack on the Pentagon

Publication: Journal of Performance of Constructed Facilities
Volume 19, Issue 3

Abstract

On September 11, 2001, an airliner was intentionally crashed into the Pentagon. It struck at the first elevated slab on the west wall, and slid approximately 310ft (94.5m) diagonally into the building. The force of the collision demolished numerous columns and the façade of the exterior wall, and induced damage to first-floor columns and the first elevated slab over an area approximately 90ft (27.4m) wide and 310ft (94.5m) long. None of the building collapsed immediately. The portion that remained standing, even after an intense fire, sustained substantial damage at the first-floor level.

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References

ASCE. (2003). The Pentagon Building performance report, Reston, Va.
American Society of Testing and Materials (ASTM). (1999). “Standard test method for obtaining and testing drilled cores and sawed beams of concrete.” ASTM C42, Philadelphia.
American Society of Testing and Materials (ASTM). (2001). “Standard specification for deformed and plain billet-steel bars for concrete reinforcement.” ASTM A615, Philadelphia.

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Published In

Go to Journal of Performance of Constructed Facilities
Journal of Performance of Constructed Facilities
Volume 19Issue 3August 2005
Pages: 197 - 205

History

Received: Oct 27, 2004
Accepted: Jan 21, 2005
Published online: Aug 1, 2005
Published in print: Aug 2005

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Authors

Affiliations

Paul F. Mlakar [email protected]
Senior Research Scientist, U.S. Army Corps of Engineers, 3909 Halls Ferry Rd., Vicksburg, MS 39180. E-mail: [email protected]
Donald O. Dusenberry [email protected]
Principal, Simpson Gumpertz & Heger Inc., 41 Seyon St. Building 1, Suite 500, Waltham, MA 02453. E-mail: [email protected]
James R. Harris [email protected]
Principal, J.R. Harris & Company, 1580 Lincoln St. Suite 770, Denver, CO 80203-1509. E-mail: [email protected]
Gerald Haynes [email protected]
Fire Protection Engineer, Bureau of Alcohol, Tobacco, and Firearms, Arson & Explosives Division, 800 K St. NW, Room 710, Washington, DC 20001. E-mail: [email protected]
Long T. Phan [email protected]
Research Structural Engineer, National Institute of Standards and Technology, Building and Fire Research Laboratory, Building 226, Room B-158, Gaithersburg, MD 20899-0001. E-mail: [email protected]
Mete A. Sozen [email protected]
Kettelhut Distinguished Professor of Structural Engineering, Purdue Univ., School of Civil Engineering, 129G Civil Engineering Building, West Lafayette, IN 47907-1284. E-mail: [email protected]

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