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 351 - 375 of 449

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

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***

September 1, 2005
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 National institute of Standards and Technology Investigation of the WTC disaster of September 11, 2001

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***

September 1, 2005
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 strain rate, impact, and elevated-temperature tensile. Specimens of 29 different steels

Occupant Behavior, Egress, and Emergency Communication. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-7) ***DRAFT for Public Comments***

September 1, 2005
Author(s)
Jason D. Averill, Dennis S. Mileti, Richard D. Peacock, Erica D. Kuligowski, N Groner, Guylene Proulx, Paul A. Reneke, Harold E. Nelson
Multiple sources of information were collected and analyzed: over 1,000 new interviews with survivors (including 803 telephone interviews, 225 face-to-face interviews, and 5 focus groups); over 700 published interviews; 9-1-1 emergency calls; transcripts

Passive Fire Protection. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-6A) ***DRAFT for Public Comments***

September 1, 2005
Author(s)
Nicholas J. Carino, M A. Starnes, John L. Gross, Jiann C. Yang, S R. Kukuck, Kuldeep R. Prasad, Richard W. Bukowski
This report deals with the passive fire protection used in the World Trade Center (WTC) towers. The main objective is to provide background information that can be used to assess the in-place conditions of the passive protection before and after aircraft

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

September 1, 2005
Author(s)
Stephen W. Banovic, Christopher N. McCowan, William E. Luecke
This report describes the physical properties of the structural steel recovered from the World Trade Center (WTC) towers. Analytical techniques were used to determine and evaluate the chemistry, microstructure, and thermal properties of the steels. While

Post-Construction Modification to Fire Protection and Life Safety Systems of the World Trade Center Towers. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-1H) ***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. The purpose of this report is to document the Port Authority of New York

Post-Construction Modifications to Fire Protection, Life Safety, and Structural Systems of World Trade Center 7. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-1I) ***DRAFT for Public Comments***

September 1, 2005
Author(s)
R A. Grill, D A. Johnson, D A. Fanella
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. This report was prepared to support the overall objective of determining

Reaction of Ceiling Tile Systems to Shocks. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-5D) ***DRAFT for Public Comments***

September 1, 2005
Author(s)
Richard G. Gann, Michael A. Riley, J M. Repp, A S. Whittaker, Andrei Reinhorn, P A. Hough
The degree of damage to the ceiling tile systems of the World Trade Center towers following the aircraft impacts on September 11, 2001, could have affected the rate at which the ensuing fires heated the steel- trussed concrete slab floor systems above

Reconstruction of the Fires in the World Trade Center Towers. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-5) ***DRAFT for Public Comments***

September 1, 2005
Author(s)
Richard G. Gann, Anthony P. Hamins, Kevin B. McGrattan, George W. Mulholland, Harold E. Nelson, Thomas J. Ohlemiller, William M. Pitts, Kuldeep R. Prasad
The collapses of the World Trade Center towers on September 11, 2001, resulted from a combination of aircraft impact damage and the ensuing fires. This report documents: The information obtained on the factors that affected the nature, duration and
Displaying 351 - 375 of 449