File:Wtc floor truss system.png

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Summary

DescriptionWtc floor truss system.png	English: Schematic of composite floor truss system in the World Trade Center
Source	Figure 1.6 from NIST final report on the WTC collapse (http://wtc.nist.gov) Newer version from - Overview of the Structural Design of World Trade Center 1, 2, and 7 Buildings (https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=910105)
Author	NIST
Other versions	中文

Licensing

This image is in the public domain in the United States because it is a work of the United States Federal Government, specifically an employee of the National Institute of Standards and Technology, under the terms of Title 17, Chapter 1, Section 105 of the US Code.

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File history

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	Date/Time	Dimensions	User	Comment
current	19:47, 17 September 2022	945 × 458 (78 KB)	YitzhakNat	original image from pdf
	22:29, 10 December 2020	939 × 510 (97 KB)	YitzhakNat	Newer, more detailed version from https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=910105
	23:58, 13 May 2007	934 × 485 (172 KB)	Aude	Schematic of composite floor truss system in the World Trade Center Source: Figure 1.6 from NIST final report on the WTC collapse http://wtc.nist.gov