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Author: joseph main
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1. A Simple Method to Enhance Catenary Action Development in Beams of RC Frame Structures
Published: 12/1/2013
Authors: Yihai Bao, Hai Sang Lew, Fahim Sadek, Joseph A Main
Abstract: A simple debonding technique is proposed to reduce or eliminate strain localization in reinforcing bars in the region of wide flexural cracks in RC beams, and as a result enhance the resistance of RC buildings to disproportionate collapse. In this st ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914051

2. Air Blast Loading of Cellular Media
Published: 7/1/2007
Authors: George A Gazonas, Joseph A Main
Abstract: Motivated by recent efforts to mitigate blast loading using energy-absorbing materials, this paper investigates the mechanics of uniaxial crushing of cellular sandwich plates under air blast loading using analytical and computational modeling. This m ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860704

3. An Experimental and Computational Study of Reinforced Concrete Assemblies under a Column Removal Scenario
Series: Technical Note (NIST TN)
Report Number: 1720
Published: 10/26/2011
Authors: Hai Sang Lew, Yihai Bao, Fahim Sadek, Joseph A Main, Santiago Pujol, Mete Sozen
Abstract: This report presents an experimental and computational study of two reinforced concrete beam-column assemblies, each comprising three columns and two beams. The two beam-column assemblies represent portions of the structural framing system of two ten ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908857

4. An Experimental and Computational Study of Steel Moment Connections under a Column Removal Scenario
Series: Technical Note (NIST TN)
Report Number: 1669 rev2
Published: 3/1/2011
Authors: Fahim Sadek, Joseph A Main, Hai Sang Lew, Stephen D Robert, Vincent Chiarito, Sherif El-Tawil
Abstract: This report presents an experimental and computational study of two steel beam-column assemblies, each comprising three columns and two beams. The two beam-column assemblies represent portions of the structural framing system of two ten-story steel f ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906046

5. Assessment of Robustness and Disproportionate Collapse Vulnerability of Steel Moment-Frame Buildings
Published: 8/19/2009
Authors: Joseph A Main, Fahim Sadek, Hai Sang Lew
Abstract: Several prototype steel moment-frame buildings have been designed for the purpose of assessing their vulnerability to progressive collapse. The buildings were designed for moderate and high seismic regions. This paper summarizes the development of th ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902887

6. Automated Extraction of Thunderstorm and Non-Thunderstorm Wind Data Sets From Archived Weather Reports
Published: 4/18/2009
Authors: Franklin T Lombardo, Joseph A Main
Abstract: Wind loads for use in structural design are based in part on extreme value analysis of historical wind data, and limitations on the quantity and spatial resolution of wind data pose a significant challenge in such analyses. A promising source of addi ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860655

7. Automated Extraction of Wind Data From ASOS (Automated Surface Observing System) Weather Reports
Published: 5/18/2006
Authors: Franklin T Lombardo, Joseph A Main
Abstract: Wind loads for use in structural design are based in part on extreme value analysis of historical wind speed data for the location of interest. In some cases wind direction data are also required to characterize the directionality of the local wind c ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860646

8. Combining Wind Pressure Databases With Structural Analysis To Predict Peak Responses For Rigid Buildings
Published: 9/12/2005
Author: Joseph A Main
Abstract: A procedure is described for the design of rigid buildings for wind loading. The procedure, based on the database-assisted design (DAD) approach, uses measured pressure time series in conjunction with influence coefficients obtained by linear, static ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860617

9. Comparative Inter-Laboratory Study of Wind Loading on Low Industrial Buildings
Published: 5/16/2007
Authors: Bogusz Bienkiewicz, Munehito Endo, Joseph A Main, William P. Fritz
Abstract: A progress report on an inter-laboratory comparative study of approach flow and wind pressures on low buildings is presented. The wind tunnel data generated at six wind engineering laboratories during a pilot project initiated and coordinated by the ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860698

10. Composite Floor Systems under Column Loss: Collapse Resistance and Tie Force Requirements
Published: 2/4/2014
Author: Joseph A Main
Abstract: This paper presents a computational assessment of the performance of steel gravity framing systems with single-plate shear connections and composite floor slabs under column loss scenarios. The computational assessment uses a reduced modeling approac ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912975



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