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Search Publications by: Joseph Main (Fed)

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Displaying 101 - 125 of 142

Draft Report on the Collapse of the Dallas Cowboys Indoor Practice Facility, May 2, 2009 (NIST IR 7636) ***DRAFT for Public Comments (for final version, see NIST IR 7661)***

October 6, 2009
Author(s)
John L. Gross, Joseph Main, Long Phan, Fahim H. Sadek, Stephen A. Cauffman, David P. Jorgensen
This report summarizes the National Institute of Standards and Technology (NIST) study of the collapse of the Dallas Cowboys indoor practice facility that occurred on the afternoon of May 2, 2009, during a severe thunderstorm. The indoor practice facility

Testing and Analysis of Steel Beam-Column Assemblies under Column Removal Scenarios

May 6, 2009
Author(s)
Fahim Sadek, Joseph A. Main, Hai S. Lew, Stephen D. Robert, Vincent Chiarito
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

Mean Recurrence Intervals of Failure Wind Loads

August 1, 2008
Author(s)
Dat Duthinh, Joseph A. Main, Amelia P. Wright, Emil Simiu
The Commentary to the ASCE Standard 7-05 states that the nominal mean recurrence interval (MRI) of the wind speed inducing the design strength is about 500 years if the specified load factor is 1.5, as in early versions of ASCE 7, and somewhat higher than

PERFORMANCE OF SEISMIC MOMENT RESISTING CONNECTIONS UNDER COLUMN REMOVAL SCENARIO

April 9, 2008
Author(s)
Fahim Sadek, Hai S. Lew, Joseph A. Main, John L. Gross
Beam-to-column moment connections in steel frame construction have been studied extensively for seismic applications. However, the behavior of such connections has not been studied under the monotonic loading conditions expected in progressive collapse

Air Blast Loading of Cellular Media

July 1, 2007
Author(s)
George A. Gazonas, Joseph Main
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 model

Interpolation Procedures for Database-Assisted Design

July 1, 2007
Author(s)
Joseph A. Main
Database-assisted design (DAD) is a methodology of designing structures for wind loads that makes direct use of pressure time series from wind tunnel tests. This paper presents interpolation procedures that enable application of the DAD approach for cases

Comparative Inter-Laboratory Study of Wind Loading on Low Industrial Buildings

May 16, 2007
Author(s)
Bogusz Bienkiewicz, Munehito Endo, Joseph Main, William P. Fritz
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