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Displaying 35976 - 36000 of 73697

Analysis of Aircraft Impacts into the World Trade Center Towers (Chapters 1-8). Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-2B) ***DRAFT for Public Comments***

September 1, 2005
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 probable damage to structural systems due to aircraft impact, including exterior walls, floor

Analysis of Aircraft Impacts into the World Trade Center Towers (Chapters 9-11). Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-2B) ***DRAFT for Public Comments***

September 1, 2005
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 probable damage to structural systems due to aircraft impact, including exterior walls, floor

Analysis of EIED Backoff Algorithm for the 802.11 DCF

September 1, 2005
Author(s)
N-O Song, B-J Kwak, Leonard E. Miller
We have implemented a quantum key distribution (QKD) system with polarization encoding at 850 nm over 1 km of optical fiber. The high-speed management of the bit-stream, generation of random numbers and processing of the sifting algorithm are all handled

Analysis of Published Accounts of the World Trade Center Evacuation. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-7A)***DRAFT for Public Comments***

September 1, 2005
Author(s)
R F. Fahy, Guylene Proulx
Published stories of the survivor's of the World Trade Center (WTC) attacks were collected to document the event and as background material to guide the development of the National Institute of Standards and Technology (NIST) Investigation on occupant

Approach to Modeling Flame Spread Over Polyurethane Foam-Covered Walls. (POSTER ABSTRACTS)

September 1, 2005
Author(s)
Daniel M. Madrzykowski, Stephen Kerber, Nelson P. Bryner, William L. Grosshandler
Computer simulation has been demonstrated to be credible, when properly applied, as a tool to help fill in critical details of a fire incident and to demonstrate the value of alternative building designs and fire safety measures. This poster presents the

Baseline Structural Performance and Aircraft Impact Damage Analysis of the World Trade Center Towers. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-2) ***DRAFT for Public Comments***

September 1, 2005
Author(s)
Fahim Sadek
The baseline structural performance and aircraft impact damage analysis of the National Institute of Standards and Technology (NIST) Investigation of the World Trade Center (WTC) disaster had two primary tasks: (1) to develop reference structural models of

Chemistry of Silanes Interfaces in Dental Polymers and Composites

September 1, 2005
Author(s)
Joseph M. Antonucci, Sabine H. Dickens, Bruce O. Fowler, Hockin D. Xu, Walter G. McDonough
The performance and service life of glassor ceramic-filled polymeric composites depend on the nature of their resin, filler and interfacial phases as well as the efficacy of the polymerization process. The synergy that exists between the organic polymer

Collapse of the World Trade Center Towers. Final Report. Federal Building and Fire Safety Investigation of the World Trade Center Disaster.

September 1, 2005
Author(s)
Standards and Technology National Institute of, Safety Team National Construction
This is the final report on the National Institute of Standards and Technology (NIST) investigation of the collapse of the World Trade Center (WTC) towers, conducted under the National Construction Safety Team Act. This report describes how the aircraft

Combination Testing Strategies: A Survey

September 1, 2005
Author(s)
M Grindal, A. J. Offutt, S F. Andler
The National Software Reference Library (NSRL) of the U.S. National Institute of Standards and Technology (NIST) collects software from various sources and publishes file profiles computed from this software (such as MD5 and SHA-1 hashes) as a Reference

Comparison of Codes, Standards and Practices in Use at the Time of the Design and Construction of World Trade Center 1, 2 and 7. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-1E) ***DRAFT for Public Comme

September 1, 2005
Author(s)
J C. Razza, R A. Grill
This report was prepared to support the goals and objectives of the analysis of building and tire codes and practices of the National Institute of Standards and Technology World Trade Center (WTC) Investigation. The report provides a comparison and summary

Comparison of the 1968 and Current (2003) New York City Building Code Provisions. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-1F) ***DRAFT for Public Comments***

September 1, 2005
Author(s)
J C. Razza, R A. Grill
This report was prepared to support the analysis of building and fire codes and practices of the National Institute of Standards and Technology World Trade Center (WTC) Investigation. The report provides a comparison and summary of significant differences

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***

September 1, 2005
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 study their structural performance in the fire environment that followed the aircraft impact to the

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

September 1, 2005
Author(s)
Kevin B. McGrattan, Charles E. Bouldin, Glenn P. Forney
This report presents the results of numerical simulations of the fires in World Trade Center (WTC) 1 and WTC 2 on September 11, 2001. The calculations were performed with the National Institute of Standards and Technology (NIST) Fire Dynamics Simulator, a

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

Description and Results of the 2001 NIST/NOAA Interlaboratory Comparison Exercise Program for Organic Contaminants in Marine Mammal Tissues

September 1, 2005
Author(s)
John R. Kucklick, Rebecca S. Pugh, Paul R. Becker, Michele M. Schantz, T K. Rowles
The National Institute of Standards and Technology (NIST), in support of the National Oceanic and Atmospheric Administration s Marine Mammal Health and Stranding Response Program (NOAA/MMHSRP) conducts annual interlaboratory comparison exercises for the

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
Displaying 35976 - 36000 of 73697
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