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You searched on: Author: hai lew Sorted by: title

Displaying records 41 to 50 of 54 records.
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41. Performance of Steel Moment Connections under a Column Removal Scenario. II: Analysis
Published: 4/3/2012
Authors: Fahim Sadek, Joseph A Main, Hai Sang Lew, Sherif El-Tawil
Abstract: This paper presents a computational investigation of the response of steel beam-column assemblies with moment connections under monotonic loading conditions simulating a column removal scenario. Two beam-column assemblies are analyzed, which incorpo ...

42. Performance of Structures During the Loma Prieta Earthquake of October 17, 1989 (NIST SP 778)
Series: Special Publication (NIST SP)
Report Number: 778
Published: 1/30/1990
Author: Hai Sang Lew
Abstract: Immediately following the magnitude 7.1 Loma Prieta earthquake of October 17, 1989, a team representing the Interagency Committee on Seismic Safety in Construction surveyed the damage to buildings, utilities and transportation structures. This repor ...

43. Robustness Assessment of RC Frame Buildings under Column Loss Scenarios
Published: 4/3/2014
Authors: Yihai Bao, Joseph A Main, Hai Sang Lew, Fahim Sadek
Abstract: A computational assessment of the robustness of reinforced concrete (RC) building structures under column loss scenarios is presented. A reduced-order modeling approach is presented for three-dimensional RC framing systems, including the floor slab, ...

44. 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 ...

45. Robustness of Precast Concrete Frames: Experimental and Computational Studies
Published: 4/3/2014
Authors: Joseph A Main, Yihai Bao, Hai Sang Lew, Fahim Sadek
Abstract: This paper describes both full-scale testing and detailed finite-element modeling of a precast concrete moment-frame assembly extracted from the perimeter moment frame of a 10-story prototype building. The assembly comprises two beam spans and three ...

46. Seismic Capacity Requirements for Low-Rise Reinforced Concrete Buildings
Published: Date unknown
Authors: W. G. Lee, Hai Sang Lew

47. Standards of Seismic Safety for Existing Federally Owned and Leased Buildings
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 6762
Published: 1/1/2002
Authors: Stephen A Cauffman, Hai Sang Lew
Abstract: The seismic safety evaluation and mitigation standards, Standards for Seismic Safety for Existing Federally Owned and Leased Buildings, were developed for use by the Federal Government by the Interagency Committee on Seismic Safety in Construction (I ...

48. 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 ...

49. Summary of NIST/GSA Workshop on Application of Seismic Rehabilitation Technologies to Mitigate Blast-Induced Progressive Collapse, September 10, 2001, Oakland, CA
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 6831
Published: 12/1/2001
Authors: Nicholas J. Carino, Hai Sang Lew
Abstract: On September 10, 2001 an informal workshop was held in Oakland, California to discuss the applicability of seismic rehabilitation technologies to enhance the resistance of buildings to progressive collapse in the event of loss of primary load-carryin ...

50. Supporting Document for Rehabilitation Cost Estimates of FEMA Existing Buildings
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 6315
Published: 3/1/1999
Author: Hai Sang Lew
Abstract: This report presents the results of seismic evaluation and cost estimates carried out by the National Institute of Standards and Technology (NIST) for rehabilitation of existing buildings owned by the Federal Emergency Management Agency (FEMA). The s ...

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  • SP 250-XX: Calibration Services
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