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Author: fahim sadek
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Displaying records 51 to 60 of 73 records.
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51. Robustness of Steel Gravity Frame Systems with Single-Plate Shear Connections
Series: Technical Note (NIST TN)
Report Number: 1749
Published: 2/27/2013
Authors: Joseph A Main, Fahim Sadek
Abstract: This report presents a computational assessment of the performance of steel gravity framing systems with single-plate shear (,shear tabŠ) connections and composite floor slabs under column loss scenarios. The computational assessment uses a reduced m ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911309

52. Sampling Errors in the Estimation of Peak Wind-Induced Internal Forces in Low-Rise Structures
Published: 2/1/2004
Authors: Fahim Sadek, S M Diniz, M Kasperski, M Gioffre, Emil Simiu
Abstract: Peak values in time histories of wind effects may be obtained by using the entire information inherent in the time series of the wind effect, a method entailing the estimation of the probability distribution of the peak through the application of the ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860399

53. Semi-Active Control of Linear and Hysteretic Structures Using Variable Viscous and Magnetorheological Dampers
Published: 7/1/2000
Authors: S El-Borgi, Michael A Riley, Fahim Sadek, N Ayed
Abstract: Numerous studies have been conducted so far on active or hybrid (active/passive) control of hysteretic structures using a wide range of linear and nonlinear control algorithms. However, most research work on the use of semi-active control systems has ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860283

54. Stochastic Linearization for Control of Hysteretic Structures Using H(Infinity) Algorithm
Published: 1/1/2001
Authors: M Ben Ftima, Fahim Sadek, S El-Borgi, 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=860305

55. Strength Evaluation of Connectors for Intermodal Containers
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 6557
Published: 8/1/2000
Authors: Hai Sang Lew, Fahim Sadek, E D Anderson
Abstract: Intermodal containers are used widely in marine cargo handling. In order to facilitate unloading of empty containers from ship to shore, two containers are lifted frequently in tandem. This operation is referred to as vertical tandem lifting. In ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860301

56. Structural Analysis of Impact Damage to World Trade Center Buildings 1, 2, and 7
Published: 8/12/2012
Authors: Therese P McAllister, Fahim Sadek, John L Gross, Steven W Kirkpatrick, Robert S. MacNeill, R. Bocchieri, Mehdi S Zarghamee, Omer O Erbay, Andrew T Sarawit
Abstract: The National Institute of Standards and Technology (NIST) conducted an extensive investigation of the collapse of World Trade Center towers (WTC 1 and WTC 2) and the WTC 7 building. This paper describes the reconstruction of impact damage to each of ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910120

57. Structural Design for Disaster Resilience
Published: 10/28/2013
Authors: Fahim Sadek, Joseph A Main, John L Gross, Therese P McAllister
Abstract: This paper presents a brief overview of research at the National Institute of Standards and Technology (NIST) on disaster resilience of buildings, infrastructure, and communities, including component programs and projects. NIST‰s efforts aim at deve ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914256

58. Structural Fire Response and Probable Collapse Sequence of World Trade Center Building 7 (Volume 1). Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-9) ***DRAFT for Public Comments***
Series: National Construction Safety Team Act Reports (NIST NCSTAR)
Report Number: 1-9
Published: 8/1/2008
Authors: Therese P McAllister, Richard George Gann, Jason D Averill, John L Gross, William L. Grosshandler, James R. Lawson, Kevin B McGrattan, William M Pitts, Kuldeep R Prasad, Fahim Sadek, Harold E. Nelson
Abstract: This is the primary technical report on the National Institute of Standards and Technology (NIST) investigation of the collapse of World Trade Center Building 7 (WTC 7), conducted under the National Construction Safety Team Act. The investigation obj ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909256

59. Structural Fire Response and Probable Collapse Sequence of World Trade Center Building 7 (Volume 2). Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-9) ***DRAFT for Public Comments***
Series: National Construction Safety Team Act Reports (NIST NCSTAR)
Report Number: 1-9
Published: 8/1/2008
Authors: Therese P McAllister, Richard George Gann, Jason D Averill, John L Gross, William L. Grosshandler, James R. Lawson, Kevin B McGrattan, William M Pitts, Kuldeep R Prasad, Fahim Sadek, Harold E. Nelson
Abstract: This is the primary technical report on the National Institute of Standards and Technology (NIST) investigation of the collapse of World Trade Center Building 7 (WTC 7), conducted under the National Construction Safety Team Act. The investigation obj ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909257

60. Structural Reliability Estimates and Database-Assisted Design for Wind
Published: 6/1/2002
Authors: F Minciarelli, Fahim Sadek, Emil Simiu, Mircea Grigoriu
Abstract: We propose a probabilistic methodology for developing improved estimates of extreme wind effects and load factors in standard provisions for wind loads. We obtained the following results: (1) the discrepancy between current estimates of safety indic ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860324



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