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You searched on: Author: joseph main Sorted by: date

Displaying records 1 to 10 of 45 records.
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1. Temperature-Dependent Material Modeling for Structural Steels: Formulation and Application
Series: Technical Note (NIST TN)
Report Number: 1907
Published: 4/15/2016
Authors: Mina Samir Seif, William E Luecke, Lisa Yong yae Choe, Joseph A Main, Joseph David McColskey, Chao Zhang, Jonathan M Weigand, John L Gross, Fahim Sadek
Abstract: This report presents the formulation and application of a newly developed temperature-dependent material model for structural steels. First it presents a model for computing the stress-strain behavior of structural steel for conditions appropriat ...

2. Methodology to Analyze Wind Pressure Data on Components and Cladding of Low-Rise Buildings
Series: Technical Note (NIST TN)
Report Number: 1903
Published: 12/29/2015
Authors: Dat Duthinh, Joseph A Main
Abstract: This note establishes a method to analyze wind pressure data on cladding and components of low-rise buildings using the National Institute of Standards and Technology-University of Western Ontario (NIST-UWO) database. The aerodynamic pressures induc ...

3. An Experimental and Computational Study of Precast Concrete Moment Frames under a Column Removal Scenario
Series: Technical Note (NIST TN)
Report Number: 1886
Published: 9/22/2015
Authors: Joseph A Main, Yihai Bao, Hai Sang Lew, Fahim Sadek, Vincent P Chiarito, Stephen D. Robert
Abstract: This report presents an experimental and computational study of two precast concrete moment-frame assemblies, each comprising three columns and two beams. The two moment-frame assemblies represent portions of the perimeter moment frames of two 10-sto ...

4. Analysis of a Half-Scale Composite Floor System Test under Column Loss Scenarios
Published: 4/23/2015
Authors: Joseph A Main, Jonathan M Weigand, Eric S Johnson, Tim Francicso, Judy Liu, Jeffrey William Berman, Larry A. Fahnestock
Abstract: This paper describes modeling and analysis of a half-scale steel gravity frame system with composite concrete slab on steel deck that was constructed and tested at the University of Illinois under corner, edge, and interior column removal scenarios. ...

5. Behavior of structural steel moment connections under fire loading
Published: 3/24/2015
Authors: Mina Samir Seif, Joseph A Main, Fahim Sadek
Abstract: Performance-based methodologies to evaluate the fire performance of structures are needed to move beyond the prescriptive procedures presently in use. Analytical methods are needed for simulating the performance of structural systems, including c ...

6. 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, ...

7. 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 ...

8. Modeling of moment connections for structural fire analyses
Published: 3/25/2014
Authors: Mina Samir Seif, Therese P McAllister, Joseph A Main, William E Luecke
Abstract: Performance-based methodologies to evaluate the fire performance of structures are needed to move beyond the prescriptive procedures presently in use, which cannot be used to determine actual structural performance in fire. Analytical methods are nee ...

9. 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 ...

10. A Simple Means for Reducing the Risk of Progressive Collapse
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 ...

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  • SP 250-XX: Calibration Services
  • SP 260-XX: Standard Reference Materials
  • SP 300-XX: Precision Measurement and Calibration
  • SP 400-XX: Semiconductor Measurement Technology
  • SP 480-XX: Law Enforcement Technology
  • SP 500-XX: Computer Systems Technology
  • SP 700-XX: Industrial Measurement Series
  • SP 800-XX: Computer Security Series
  • SP 823-XX: Integrated Services Digital Network Series