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Author: hai lew

Displaying records 21 to 30 of 53 records.
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21. A Summary of Reconnaissance of the Clinton, MO Elks Lodge Building Collapse on June 26, 2006
Published: 7/12/2006
Authors: Hai Sang Lew, Long Thanh Phan
Abstract: A three-story unreinforced brick building in Clinton, MO, collapsed on June 26, 2006 causing one fatality. The building was built in the 1880s. Two NIST structural engineers visited the collapse site on June 29, 2006. The NIST engineers inspected th ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860671

22. Design and Construction of Structural Systems (Appendixes A-B) Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-1A)
Series: National Construction Safety Team Act Reports (NIST NCSTAR)
Report Number: 1-1
Published: 12/1/2005
Authors: Hai Sang Lew, Richard W. Bukowski, Nicholas J. Carino
Abstract: The collapse of World Trade Center (WTC) 1, 2, and 7 resulted from structural damage from direct and indirect effects of aircraft impact and the ensuing fires. Thus, for collapse analyses of these buildings, knowledge of the physical state of the str ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909013

23. Design, Construction, and Maintenance of Structural and Life Safety Systems. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-1)
Series: National Construction Safety Team Act Reports (NIST NCSTAR)
Report Number: 1-1
Published: 12/1/2005
Authors: Hai Sang Lew, Richard W. Bukowski, Nicholas J. Carino
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=101332

24. Are Serviceability Requirements Covered Adequately in Current Codes and Standards?
Published: 10/16/2005
Author: Hai Sang Lew
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=100916

25. Design, Construction and Maintenance of Structural and Life Safety Systems. Federal Building and Fire Safety Investigation of the World Trade Center (NIST NCSTAR 1-1) ***DRAFT for Public Comments***
Series: National Construction Safety Team Act Reports (NIST NCSTAR)
Report Number: 1-1
Published: 9/1/2005
Authors: Hai Sang Lew, Richard W. Bukowski, Nicholas J. Carino
Abstract: The collapse of World Irade Center (WTC) 1, 2, and 7 resulted from structural damage from direct and indirect effects of aircraft impact and the ensuing fires. Thus, for collapse analyses of these buildings, knowledge of the physical state of the str ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908998

26. Final Report of the National Construction Safety Team on the Collapses of the World Trade Center Towers. Federal Building and Fire Safety Investigations of the World Trade Center Disaster (NIST NCSTAR 1) ***DRAFT for Public Comments***
Series: National Construction Safety Team Act Reports (NIST NCSTAR)
Report Number: 1
Published: 9/1/2005
Authors: Sivaraj Shyam-Sunder, Richard George Gann, William L Grosshandler, Jason D Averill, Richard W. Bukowski, Stephen A Cauffman, D D Evans, Frank W Gayle, John L Gross, James R. Lawson, Hai Sang Lew, Therese P McAllister, Harold E. Nelson, Fahim Sadek
Abstract: This is the final report on the National Institute of Standards and Technology (NIST) econstruction of the collapses of the World Trade Center (WTC) towers, the results of an investigation conducted under the National Construction Safety Team Act. Th ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909236

27. Baseline Structural Performance and Aircraft Impact Damage Analysis.
Published: 10/19/2004
Authors: Fahim Sadek, Emil Simiu, M A Riley, William P. Fritz, Hai Sang Lew
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=101231

28. WTC Towers : Innovative Design Features and Structural Modeling.
Published: 10/10/2004
Authors: Hai Sang Lew, Fahim Sadek
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=101194

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 ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860444

30. Assessment of Structural Systems Evaluation Methods Based on Local Seismic Demands
Published: 12/1/2002
Authors: Hai Sang Lew, S K. Kunnath
Abstract: This paper examines the effectiveness of nonlinear static procedures for seismic response analysis of buildings. Nonlinear static procedures are recommended in FEMA 273 (Guidelines for Seismic Rehabilitation of Buildings) for assessing the seismic p ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860461



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