Investigation of WTC 7

NIST NCSTAR 1A: Final Report on the Collapse of World Trade Center Building 7

Full report (130 pages).

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Download chapters

NIST NCSTAR 1-9: Structural Fire Response and Probable Collapse Sequence of World Trade Center Building 7 (two volumes)
- NIST NCSTAR 1-9: Volume 1: Chapters 1 – 8
- NIST NCSTAR 1-9: Volume 2: Chapters 9 – Appendix E
  - NIST NCSTAR 1-9A: Global Structural Analysis of the Response of World Trade Center Building 7 to Fires and Debris Impact Damage

WTC 7 Technical Briefing

Shyam Sunder, NIST, 26.08.2008

ASCE

American Society of Civil Engineers (ASCE).

A peer-reviewed article on the collapse of WTC 7 was published in the Journal of Structural Engineering, Volume 138 Issue 1 – January 2012.

Analysis of Structural Response of WTC 7 to Fire and Sequential Failures Leading to Collapse
Therese McAllister, Ph.D., P.E., M.ASCE; Robert MacNeill; Omer Erbay, Ph.D., P.E., M.ASCE; Andrew Sarawit, Ph.D., P.E., M.ASCE; Mehdi Zarghamee, Ph.D., P.E., F.ASCE; Steven Kirkpatrick, Ph.D.; and John Gross, Ph.D., P.E., F.ASCE

FOIA

The Freedom of Information Act (FOIA) is a law requiring full or partial disclosure of previously unreleased information and documents controlled by the United States government by request.

In order to avoid sensitive data from being wrongfully released, a FOIA request must be presented before a judge.

NIST’s response to FOIA Request #10-037