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Author: hai lew
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Displaying records 41 to 50 of 52 records.
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41. 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, ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=915189

42. 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 ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860714

43. 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 ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=915219

44. Seismic Capacity Requirements for Low-Rise Reinforced Concrete Buildings
Published: Date unknown
Authors: W. G. Lee, Hai Sang Lew
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860562

45. 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 ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860394

46. 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

47. 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 ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860389

48. 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 ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860177

49. Testing and Analysis of Steel Beam-Column Assemblies under Column Removal Scenarios
Published: 5/6/2009
Authors: Fahim Sadek, Joseph A Main, Hai Sang Lew, Stephen D Robert, Vincent Chiarito
Abstract: This paper presents an experimental and analytical assessment of the performance of steel beam-column assemblies with two types of moment-resisting connections under vertical displacement of a center column, simulating a column removal scenario. The ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902595

50. Testing and Analysis of Steel and Concrete Beam-Column Assemblies under a Column Removal Scenario
Published: 9/1/2011
Authors: Fahim Sadek, Joseph A Main, Hai Sang Lew, Yihai Bao
Abstract: This paper presents an experimental and computational assessment of the performance of steel and reinforced concrete beam-column assemblies under vertical displacement of a center column, simulating a column removal scenario. The assemblies represent ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907518



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