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Author: fahim sadek

Displaying records 61 to 70 of 73 records.
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61. 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 ...

62. 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 ...

63. 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 ...

64. 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 ...

65. 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 ...

66. 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 ...

67. 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 ...

68. 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

69. Robustness of Composite Floor Systems With Shear Connections: Modeling, Simulation, and Evaluation
Published: Date unknown
Authors: Fahim Sadek, Sherif El-Tawil, Hai Sang Lew
Abstract: This paper presents an analytical assessment of the robustness of concrete deck-steel beam composite floor systems with shear connectors under the assumption that an interior column has been removed. The study provides an insight into the behavior a ...

70. Wind Effects on High-Rise Buildings: Database-Assisted Design Versus the High-Frequency Force-Balance Technique
Published: Date unknown
Authors: M Iancovici, Michael A Riley, Fahim Sadek, Emil Simiu
Abstract: Database-assisted design (DAD) was originally developed for low-rise buildings. In this paper we show that it applies to flexible high-rise buildings as well, and that it has a number of significant advantages over the high frequency force balance (H ...

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