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Author: fahim sadek
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Displaying records 1 to 10 of 76 records.
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1. A Simple Method to Enhance Catenary Action Development in Beams of RC Frame Structures
Published: 12/1/2013
Authors: Yihai Bao, Hai Sang Lew, Fahim Sadek, Joseph A Main
Abstract: A simple debonding technique is proposed to reduce or eliminate strain localization in reinforcing bars in the region of wide flexural cracks in RC beams, and as a result enhance the resistance of RC buildings to disproportionate collapse. In this st ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914051

2. Achieving Safer and More Economical Buildings Through Database-Assisted, Reliability-Based Design for Wind
Published: 12/1/2003
Authors: Emil Simiu, Fahim Sadek, T Whalen, S Jang, L L Lu, S M Diniz, A Grazini, Michael A Riley
Abstract: Following Irminger's 1894 aerodynamic tests, Flachsbart's 1932 boundary-layer wind tunnel experiments, and University of Western Ontario (UWO) 1970's tests, considerable progress has been achieved in low-rise building design for wind. Nevertheless, ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860417

3. An Experimental and Computational Study of Reinforced Concrete Assemblies under a Column Removal Scenario
Series: Technical Note (NIST TN)
Report Number: 1720
Published: 10/26/2011
Authors: Hai Sang Lew, Yihai Bao, Fahim Sadek, Joseph A Main, Santiago Pujol, Mete Sozen
Abstract: This report presents an experimental and computational study of two reinforced concrete beam-column assemblies, each comprising three columns and two beams. The two beam-column assemblies represent portions of the structural framing system of two ten ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908857

4. An Experimental and Computational Study of Steel Moment Connections under a Column Removal Scenario
Series: Technical Note (NIST TN)
Report Number: 1669 rev2
Published: 3/1/2011
Authors: Fahim Sadek, Joseph A Main, Hai Sang Lew, Stephen D Robert, Vincent Chiarito, Sherif El-Tawil
Abstract: This report presents an experimental and computational study of two steel beam-column assemblies, each comprising three columns and two beams. The two beam-column assemblies represent portions of the structural framing system of two ten-story steel f ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906046

5. An Innovative Approach for Controlling Hysteretic Structures Using static Output Feedback H (inf) Algorithm and Stochastic Linearization Techniques
Published: 4/1/2002
Authors: Fahim Sadek, M Ben Ftima, S El-Borgi, G P McCormick, Michael A Riley
Abstract: This paper presents a robust static output feedback H(infinity) algorithm for control of hysteretic civil engineering structures subjected to earthquake ground motions. Hysteretic structures present a problem for control design and algorithm develop ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860428

6. Analysis of Aircraft Impacts into the World Trade Center Towers (Appendix A). Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-2B) ***DRAFT for Public Comments***
Series: National Construction Safety Team Act Reports (NIST NCSTAR)
Report Number: 1-2
Published: 9/1/2005
Authors: Steven W Kirkpatrick, Robert T. Bocchieri, Fahim Sadek, R A MacNeill, S Holmes, B D Peterson, R W Cilke, C Navarro
Abstract: 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 ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909035

7. Analysis of Aircraft Impacts into the World Trade Center Towers (Appendixes) Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-2B)
Series: National Construction Safety Team Act Reports (NIST NCSTAR)
Report Number: 1-2
Published: 12/1/2005
Authors: Steven W Kirkpatrick, R. Bocchieri, Fahim Sadek, Robert S. MacNeill, S Holmes, B D Peterson, R W Cilke, C Navarro
Abstract: 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 mod ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909015

8. 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)
Series: National Construction Safety Team Act Reports (NIST NCSTAR)
Report Number: 1-2
Published: 12/1/2005
Authors: Steven W Kirkpatrick, Robert T. Bocchieri, Fahim Sadek, Robert S. MacNeill, S Holmes, B D Peterson, R W Cilke, C Navarro
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=101428

9. 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***
Series: National Construction Safety Team Act Reports (NIST NCSTAR)
Report Number: 1-2
Published: 9/1/2005
Authors: Steven W Kirkpatrick, Robert T. Bocchieri, Fahim Sadek, R A MacNeill, S Holmes, B D Peterson, R W Cilke, C Navarro
Abstract: 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 ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909033

10. 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)
Series: National Construction Safety Team Act Reports (NIST NCSTAR)
Report Number: 1-2
Published: 12/1/2005
Authors: Steven W Kirkpatrick, Robert T. Bocchieri, Fahim Sadek, Robert S. MacNeill, S Holmes, B D Peterson, R W Cilke, C Navarro
Abstract: 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 ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=101015



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