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Author: joseph main

Displaying records 11 to 20 of 40 records.
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11. Modeling of Double-Angle Shear Connections for Evaluation of Structural Robustness
Published: 10/31/2012
Authors: Judy Liu, Joseph A Main, Fahim Sadek
Abstract: Improved structural robustness is expected for steel gravity load-resisting frames with double-angle shear connections as compared to single-plate connections, given the larger deformation capacity of the double angle. Detailed models of bolted doubl ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911263

12. Performance of Steel Moment Connections under a Column Removal Scenario. I: Experiments
Published: 4/3/2012
Authors: Hai Sang Lew, Joseph A Main, Stephen D Robert, Fahim Sadek, Vincent Chiarito
Abstract: This paper presents an experimental study of two full-scale steel beam-column assemblies, each comprising three columns and two beams, to (1) define their response characteristics under a column removal scenario, including the capacity of the beams a ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909210

13. 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 ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909213

14. 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

15. Modeling of Bolted Connections for Collapse Analysis of Steel Structures
Published: 9/19/2011
Authors: Joseph A Main, Fahim Sadek
Abstract: In structural collapse scenarios, beam to column connections can be subjected to large rotations as the structure deforms, in addition to large axial forces associated with the development of catenary action. The capability of the connections to sust ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909269

16. 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

17. Experimental and computational assessment of robustness of steel and reinforced concrete framed buildings
Published: 8/1/2011
Authors: Joseph A Main, Yihai Bao, Fahim Sadek, Hai Sang Lew
Abstract: This paper presents an experimental and computational assessment of the performance of full-scale steel and reinforced concrete beam-column assemblies under vertical displacement of a center column, simulating a column removal scenario. The assembli ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907519

18. 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

19. Safety Assessment of Parallel Wire Suspension Bridge Cables Under Thermal Effects
Series: Technical Note (NIST TN)
Report Number: 1678
Published: 10/25/2010
Authors: Joseph A Main, William E Luecke
Abstract: This report summarizes a NIST study aimed at assessing the safety of parallel wire suspension bridge cables under thermal effects. Both low temperatures, potentially embrittling the bridge wires, and high temperatures, potentially softening the wires ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906975

20. Final Report on the Collapse of the Dallas Cowboys Indoor Practice Facility, May 2, 2009 (NIST IR 7661)
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7661
Published: 1/26/2010
Authors: John L Gross, Joseph A Main, Long Thanh Phan, Fahim Sadek, Stephen A Cauffman, David P. Jorgensen
Abstract: 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 fa ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904696



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