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Author: fahim sadek

Displaying records 61 to 70 of 75 records.
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61. 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

62. Linear Procedures for Structures with Velocity-Dependent Dampers
Published: 8/1/2000
Authors: Fahim Sadek, B Mohraz, Michael A Riley
Abstract: Passive energy dissipation devices are used to reduce the damaging effects of earthquakes. These devices can absorb a portion of the earthquake-induced energy in structures and thus reduce the energy demand on structural members. Wide acceptance of ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860193

63. 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

64. 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

65. Guidelines for Testing Passive Energy Dissipation Devices
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 6936
Published: 11/1/1999
Authors: Michael A Riley, Fahim Sadek, B Mohraz
Abstract: Passive energy dissipation devices can be used to significantly reduce the response of structures to earthquake and wind excitation. Wide acceptance of these devices depends on the availability of information on their performance as well as standard ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860468

66. Linear Static and Dynamic Procedures for Structures With Velocity-Dependent Supplemental Dampers
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 6329
Published: 5/1/1999
Authors: Fahim Sadek, B Mohraz, Michael A Riley
Abstract: Passive energy dissipation devices are used to reduce the damaging effects of earthquakes. These devices can absorb a portion of the earthquake-induced energy in structures and thus reduce the energy demand on structural members. Wide acceptance of ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860194

67. Summary of the Structural Performance of Single-Family, Wood-Frame Housing
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 6224
Published: 9/1/1998
Authors: Charles William Clay Yancey, Geraldine S Cheok, Fahim Sadek, B Mohraz
Abstract: A review of the structural performance of single-family, wood-frame houses is presented. The performance of these structures in selected earthquakes and hurricanes is summarized. In general, wood-frame houses performed well with relatively few inst ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860154

68. 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 ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860471

69. Energy-Based Design Approach for Seismic Design: Energy Spectra
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 6599
Published: Date unknown
Authors: P Khashaee, B Mohraz, Fahim Sadek, Hai Sang Lew, John L Gross
Abstract: Among the approaches that the Structural Engineers Association of California has recommended for performance based seismic design is the energy approach. In this approach, the earthquake input energy transmitted to the structure is estimated from gr ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860314

70. Macromodel-Based Simulation of Progressive Collapse: Steel Frame Structures
Published: Date unknown
Authors: K Khandelwal, Sherif El-Tawil, Sashi Kunnath, Fahim Sadek, Hai Sang Lew
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860718



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