U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Search Publications

NIST Authors in Bold

Displaying 151 - 175 of 222

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

September 1, 2005
Author(s)
William E. Luecke, Thomas A. Siewert, Frank W. Gayle
This report reviews the contemporaneous (1960s era) steel and welding standards used to construct the 110-story World Trade Center (WTC) towers. It describes the major structural elements in the towers and the many grades of steels relevant to the WTC

Damage and Failure Modes of Structural Steel Components (Appendices A-G). Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-3C) ***DRAFT for Public Comments***

September 1, 2005
Author(s)
Stephen W. Banovic, Timothy J. Foecke
This report describes damage characteristics, failure modes, and fire-related degradation of the recovered structural components from the World Trade Center (WTC) 1 and WTC 2. Assessment of the structural components was divided into pre- and post-collapse

Damage and Failure Modes of Structural Steel Components. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-3C) ***DRAFT for Public Comments***

September 1, 2005
Author(s)
Stephen W. Banovic, Timothy J. Foecke
This report describes damage characteristics, failure modes, and fire-related degradation of the recovered structural components from the World Trade Center (WTC) 1 and WTC 2. Assessment of the structural components was divided into pre- and post-collapse

Design and Construction of Structural Systems (Appendices A-B). Federal Building and Fire Safety Investigation of the World Trade Center (NIST NCSTAR 1-1A) ***DRAFT for Public Comments***

September 1, 2005
Author(s)
D A. Fanella, A T. Derecho, S K. Ghosh
This report describes the provisions that were used to design and construct World Trade Center 1, 2, and 7. Included is a summary of the major provisions in the codes and standards together with the loads and load combinations that were used to design the

Design and Construction of Structural Systems (Appendices C-G). Federal Building and Fire Safety Investigation of the World Trade Center (NIST NCSTAR 1-1A) ***DRAFT for Public Comments***

September 1, 2005
Author(s)
D A. Fanella, A T. Derecho, S K. Ghosh
This report describes the provisions that were used to design and construct World Trade Center 1, 2, and 7. Included is a summary of the major provisions in the codes and standards together with the loads and load combinations that were used to design the

Design, Construction and Maintenance of Structural and Life Safety Systems. Federal Building and Fire Safety Investigation of the World Trade Center (NIST NCSTAR 1-1) ***DRAFT for Public Comments***

September 1, 2005
Author(s)
Hai S. Lew, Richard W. Bukowski, Nicholas J. Carino
The collapse of World Irade Center (WTC) 1, 2, and 7 resulted from structural damage from direct and indirect effects of aircraft impact and the ensuing fires. Thus, for collapse analyses of these buildings, knowledge of the physical state of the

Documentation of the Fuel System for Emergency Power in World Trade Center 7. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-1J) ***DRAFT for Public Comments***

September 1, 2005
Author(s)
R A. Grill, D A. Johnson
This report was prepared to support the analysis of building and fire codes and standards of the National Institute of Standards and Technology World Trade Center (WTC) Investigation. As part of the investigation of WTC 7, the fuel oil distribution system

Experiments and Modeling of Multiple Workstations Burning in a Compartment. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-5E) ***DRAFT for Public Comments***

September 1, 2005
Author(s)
Anthony P. Hamins, Alexander Maranghides, Kevin B. McGrattan, Thomas J. Ohlemiller, Robert Anleitner
A series of large-scale experiments were conducted in the National Institute of Standards and Technology (NIST) Large Fire Laboratory from November 4 to December 10, 2003, to assess the accuracy with which the NIST Fire Dynamics Simulator (FDS) predicts

Experiments and Modeling of Multiple Workstations Burning in a Compartment. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-5E)

September 1, 2005
Author(s)
Anthony P. Hamins, Alexander Maranghides, Kevin B. McGrattan, Thomas J. Ohlemiller, Robert Anleitner
A series of large-scale experiments were conducted in the National Institute of Standards and Technology (NIST) Large Fire Laboratory from November 4 to December 10, 2003, to assess the accuracy with which the NIST Fire Dynamics Simulator (FDS) predicts

Experiments and Modeling of Structural Steel Elements Exposed to a Fire. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-5B) ***DRAFT for Public Comments***

September 1, 2005
Author(s)
Anthony P. Hamins, Alexander Maranghides, Kevin B. McGrattan, Erik L. Johnsson, Thomas J. Ohlemiller, Michelle K. Donnelly, Jiann C. Yang, George W. Mulholland, Kuldeep R. Prasad, S R. Kukuck, Robert Anleitner, Therese P. McAllister
Reconstructing the fires and their impact on structural components in the World Trade Center (WTC) buildings on September 11, 2001, requires extensive use of computational models. For the use of such models to be a viable investigative tool, it is

Experiments and Modeling of Structural Steel Elements Exposed to Fire (Appendices D-G). Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-5B)

September 1, 2005
Author(s)
Anthony P. Hamins, Alexander Maranghides, Kevin B. McGrattan, Erik L. Johnsson, Thomas J. Ohlemiller, Michelle K. Donnelly, Jiann C. Yang, George W. Mulholland, Kuldeep R. Prasad, S R. Kukuck, Robert Anleitner, Therese P. McAllister
Reconstructing the fires and their impact on structural components in the World Trade Center (WTC) buildings on September 11, 2001, requires extensive use of computational models. For the use of such models to be a viable investigative tool, it is

Experiments and Modeling of Structural Steel Elements Exposed to Fire. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-5B)

September 1, 2005
Author(s)
Anthony P. Hamins, Alexander Maranghides, Kevin B. McGrattan, Erik L. Johnsson, Thomas J. Ohlemiller, Michelle K. Donnelly, Jiann C. Yang, George W. Mulholland, Kuldeep R. Prasad, S R. Kukuck, Robert Anleitner, Therese P. McAllister
Reconstructing the fires and their impact on structural components in the World Trade Center (WTC) buildings on September 11, 2001, requires extensive use of computational models. For the use of such models to be a viable investigative tool, it is

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***

September 1, 2005
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 results of an investigation conducted under the National Construction Safety Team Act. This

Fire Protection and Life Safety Provisions Applied to the Design and Construction of WTC 1, 2 and 7 and Post-Construction Provisions Applied After Occupancy. Federal Building and Fire Safety Investigation of the World Trade Center (NIST NCSTAR 1-1D) ***DR

September 1, 2005
Author(s)
R A. Grill, D A. Johnson
This report was prepared to support the analysis of building and fire codes and standards of the National Institute of Standards and Technology World Trade Center (WTC) Investigation. To best analyze the performance of WTC 1,2, and 7 in response to the

Fire Resistance Tests of the Floor Truss Systems. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-6B) ***DRAFT for Public Comments***

September 1, 2005
Author(s)
John L. Gross, F Hervey, M Izydorek, J Mammoser, J Treadway
The National Institute of Standards and Technology (NIST) review of available documents related to the design and construction of the World Trade Center (WTC) towers indicated that the fire performance of the composite floor system of the WTC towers was an

Fire Structure Interface and Thermal Response of the World Trade Center Towers. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-5G) ***DRAFT for Public Comments***

September 1, 2005
Author(s)
Kuldeep R. Prasad, Howard R. Baum
The collapse of the World Trade Center towers on September 11, 2001, resulting from a combination of aircraft impact damage and subsequent fires, was studied as part of the Federal Building and Fire Safety Investigation of the WTC Disaster. This report

Fire Tests of Single Office Workstations. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-5C) ***DRAFT for Public Comments***

September 1, 2005
Author(s)
Thomas J. Ohlemiller, George W. Mulholland, Skandakumar H. Abeyesekere, James J. Filliben, Richard G. Gann
Reconstruction of the fires that occurred in the World Trade Center (WTC) 1, 2, and 7 on September 11. 2001, relied heavily on computer simulations because examination of the post-fire premises was not possible and the information from eyewitness accounts

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***

September 1, 2005
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 of the aircraft impact damage and the subsequent fires in the WTC towers with respect to

Maintenance and Modifications to Structural Systems (Appendices A-G). Federal Building and Fire Safety Investigation of the World Trade Center (NIST NCSTAR 1-1C) ***DRAFT for Public Comments***

September 1, 2005
Author(s)
D A. Fanella, A T. Derecho, S K. Ghosh
This report documents maintenance and modifications that were made to the structural systems of World Trade Center (WTC) 1,2, and 7. Included are the Port Authority of New York and New Jersey (PANYNJ or Port Authority) guidelines for inspection, repair
Displaying 151 - 175 of 222