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Displaying records 21 to 30 of 79 records.
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21. Data-Assisted Design for Wind Loading
Published: 6/1/2002
Authors: Emil Simiu, Fahim Sadek, T Whalen, S Jang, L L Lu, S M Diniz, A Grazini, Michael A Riley
Abstract: Current ASCE Standard provisions on wind loads for low-rise building design are based on wind tunnel tests conducted at the University of Western Ontario in the 1970's. In spite of the advances they entailed at the time, those provisions are inadequa ...

22. Database-Assisted Design for Wind: Basic Concepts and Software Development
Published: 11/1/2002
Authors: T Whalen, Fahim Sadek, Emil Simiu
Abstract: Standard provisions for wind loads on buildings have traditionally been based on summary tables and/or plots suitable for slide-rule calculations. The accuracy in the definition of wind loads inherent in such tables and plots is far lower than that i ...

23. Database-Assisted Estimates of Ultimate Capacities of Low-Rise Building Frames Under Wind Loads
Published: 1/1/2001
Authors: S Jang, L L Lu, Fahim Sadek, Emil Simiu
Abstract: This paper is a derivative of G2001-1392, Database-Assisted Wind Load Capacity Estimates for Low-Rise Steel Frames, by Jang, S., et al., intended for publication in the Journal of Structural Engineering.The original paper's abstract was:A comparative ...

24. Database-Assisted Wind Load Capacity Estimates for Low-Rise Steel Frames
Published: 12/1/2002
Authors: S Jang, L L Lu, Fahim Sadek, Emil Simiu
Abstract: A comparative study is presented of the estimated wind load capacities of low-rise steel building frames based on loading patterns (magnitude and distribution) established from aerodynamic databases on the one hand, and on patterns specified in the A ...

25. Design Procedures for Structures with Supplemental Dampers
Published: 4/1/2001
Authors: Fahim Sadek, Michael A Riley
Abstract: Passive energy dissipation devices are used to reduce the damage from earthquakes by absorbing a portion of the earthquake-induced energy in structures. Wide acceptance of these devices in structures will depend on the availability of simplified met ...

26. Development of 3D Models of Steel Moment-Frame Buildings for Assessment of Robustness and Progressive Collapse Vulnerability
Published: 4/30/2009
Authors: Joseph A Main, Fahim Sadek
Abstract: Several prototype steel moment-frame buildings have been designed for the purpose of assessing their reserve capacity and vulnerability to progressive collapse. Designs were developed for both seismic and non-seismic regions. This paper summarizes th ...

27. Development of Database-Assisted Design for Wind Loads: Current and Future Research
Published: Date unknown
Authors: Emil Simiu, Fahim Sadek, S M Diniz, Michael A Riley, S Jang, L W Lu
Abstract: Following Irminger s 1894 aerodynamic tests, Flachsbart s pioneering boundary-layer wind tunnel experiments in 1932, and University of Western Ontario (UWO) 1970 s tests, considerable progress has been achieved in low-rise building design for wind. O ...

28. Discussion of Definition of Wind Profiles in ASCE 7 by Yin Zhou and Ahsan Kareem
Published: 11/1/2003
Authors: Emil Simiu, Fahim Sadek, Michael A Riley
Abstract: The discussion presents a critique of a paper published in the Journal of Structural Engineering, Aug. 2002, pp. 1082-1086. The main points of the discussion are: (1) the ASCE Standard definition of wind profiles is inconsistent with the ASCE definit ...

29. Distribution of Earthquake Input Energy in Structures
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 6903
Published: 1/1/2003
Authors: P Khashaee, B Mohraz, Fahim Sadek, Hai Sang Lew, John L Gross
Abstract: In developing an energy-based design approach and assessing the damage potential of structures, one must know the distribution of earthquake input energy among energy components: kinetic, elastic strain, hysteretic, and damping. This report examines ...

30. Draft Report on the Collapse of the Dallas Cowboys Indoor Practice Facility, May 2, 2009 (NIST IR 7636) ***DRAFT for Public Comments (for final version, see NIST IR 7661)***
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7636
Published: 10/6/2009
Authors: John L Gross, Joseph A Main, Long Thanh Phan, Fahim Sadek, Stephen A Cauffman, David P. Jorgensen
Abstract: This report summarizes the National Institute of Standards and Technology (NIST) study of the collapse of the Dallas Cowboys indoor practice facility that occurred on the afternoon of May 2, 2009, during a severe thunderstorm. The indoor practice fa ...

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