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National Construction Safety Team Act Reports (NIST NCSTAR)

Final Report of the National Construction Safety Team on the Collapses of the World Trade Center Towers. Federal Building and Fire Safety Investigations of the World Trade Center Disaster (NIST NCSTAR 1) ***DRAFT for Public Comments***

Author(s)
Sivaraj Shyam-Sunder, Richard G. Gann, William L. Grosshandler, Hai S. Lew, Richard W. Bukowski, Fahim Sadek, Frank W. Gayle, Therese P. McAllister, Jason D. Averill, James R. Lawson, Harold E. Nelson, Stephen A. Cauffman
This is the final report on the National Institute of Standards and Technology (NIST) econstruction of the collapses of the World Trade Center (WTC) towers, the

Global Structural Analysis of the Response of the World Trade Center Towers to Impact Damage and Fire. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-6D) ***DRAFT for Public Comments***

Author(s)
Mehdi S. Zarghamee, Yasuo Kitane, Omer O. Erbay, Therese P. McAllister, John L. Gross
Simpson Gumpertz & Heger Inc. (SGH) developed global models of the World Trade Center (WTC) towers using finite elements to gain an understanding of the roles

Analysis of Aircraft Impacts into the World Trade Center Towers (Appendix A). Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-2B) ***DRAFT for Public Comments***

Author(s)
Steven W. Kirkpatrick, Robert T. Bocchieri, Fahim Sadek, R A. MacNeill, S Holmes, B D. Peterson, R W. Cilke, C Navarro
The objective of this report was to analyze the aircraft impacts into each of the World Trade Center (WTC) towers to provide the following: (1) estimates of

Mechanical Properties of Structural Steels. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-3D) ***DRAFT for Public Comments***

Author(s)
William E. Luecke, Joseph D. McColskey, Christopher N. McCowan, Stephen W. Banovic, Richard J. Fields, Timothy J. Foecke, Thomas A. Siewert, Frank W. Gayle
This report provides five types of mechanical properties for steels from the World Trade Center (WTC): elastic, room-temperature tensile, room-temperature high

Mechanical and Metallurgical Analysis of Structural Steel. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-3) ***DRAFT for Public Comments***

Author(s)
Frank W. Gayle, Richard J. Fields, William E. Luecke, Stephen W. Banovic, Timothy J. Foecke, Christopher N. McCowan, Joseph D. McColskey, Thomas A. Siewert
This report is an overview of the results of the mechanical and metallurgical analysis of structural steel from the World Trade Center (WTC), part of the

Component, Connection, and Subsystem Structural Analysis. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-6C) ***DRAFT for Public Comments***

Author(s)
Mehdi S. Zarghamee, S Bolourchi, D W. Eggers, Omer O. Erbay, F W. Kan, Yasuo Kitane, P R. Barrett, John L. Gross, Therese P. McAllister, A A. Liepins, M Mudlock, W I. Naguib, R P. Ojdrovic, Andrew T. Sarawit
Simpson Gumpertz & Heger, Inc. (SGH) developed finite element models of the components, connections and subsystems of the World Trade Center (WTC) towers to