2011 Annual Technical Session Proceedings

The 2010 SSRC Annual Stability Conference was held May 11-14, 2011 in Pittsburgh, Pennsylvania. This conference was held in conjunction with AISC's North American Steel Construction Conference and ASCE's Structures Congress. This flash drive contains papers covering reports of current research activities germane to the various SSRC task groups and task reporters.


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Contents

Session 1 – Stability during Construction

Stability of Curved Steel I-Girder Bridges during Construction
T. A. Sanchez, D.W. White, Georgia Institute of Technology, Atlanta, GA, USA

Beam Deflections and Stresses during Lifting
R.H. Plaut, C.D.Moen, R. Cojocaru, Virginia Tech, Blacksburg, VA, USA

Session 2 - Bridge Stability and Bracing

Comparison of Cross Frame Strength and Stiffness for Steel Bridge Systems using Angle and Tube-Shaped Members
A.D. Battistini, W.H. Wang, T.A. Helwig, M.D. Engelhardt, University of Texas at Austin, Austin, TX, USA, K. H. Frank, Hirschfeld Industries, Austin, TX, USA

Staggered Bracing Layout in Skewed Steel Bridges
W.H. Wang, A.D. Battistini, T.A. Helwig, M.D. Engelhardt, University of Texas at Austin, Austin, TX, USA, K.H. Frank, Hirschfeld Industries, Austin, TX, USA

Buckling Strength of Tapered Bridge Girders under Shear and Bending
M. Abu-Hamd, Cairo University, Giza, Egypt, Iman Abu-Hamd, Housing and Building National Research Center, Egypt, Giza, Egypt

Session 3 - Thin-walled Steel Behavior and Design

Elastic Buckling Simplified Methods for Cold-Formed Columns and Beams with Edge-Stiffened Holes
C.N. Grey, C.D. Moen, Virginia Tech, Blacksburg, VA, USA

Simplified Methods for Determining the Critical Elastic Distortional Buckling Load of Thin-Walled Cold-Formed Steel Sections
K. Law, University of North Texas, Denton, TX, USA, Y. Zhao, Beijing University of Technology, Beijing, China, C. Yu, University of North Texas, Denton, TX, USA,  W. Yan, Beijing University of Technology, Beijing, China

DSM Design of Cold-Formed Steel Columns against Distortional Failure: Numerical Investigation on the Influence of the Cross-Section Geometry and Support Conditions
A. Landesmann, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil, D. Camotim, Technical University of Lisbon, Lisbon, Portugal

Session 4 - Stability Analysis

The Natural Period as an Indicator of Second-Order Effects
D.E. Statler, R.D. Ziemian, Bucknell University, Lewisburg, PA, USA, L.E. Robertson, Leslie E. Robertson Associates, New York, NY, USA

On the Incorporation of Load Application Effects in the GBT Buckling Analysis of Thin-Walled Steel Beams and Frames
C. Basaglia, D. Camotim, Technical University of Lisbon, Lisbon, Portugal
Modal Identification in Nonlinear Collapse Analysis of Thin-Walled Members

Z. Li, Johns Hopkins University, Baltimore, MD, USA, A.L. Joo, S. Adany, Budapest University of Technology and Economics, Budapest, Hungary, B.W. Schafer, Johns Hopkins University, Baltimore, MD, USA

Session 5 - Stability under Fire Demands

Performance of Steel Angle Connections  at Elevated Temperatures
P. Pakala,  V. Kodur, M. Dwaikat, Michigan State Universitiy, East Lansing, MI, USA

Closed-Form Characterization of Fundamental Section Response of Steel Columns Subjected to Realistic Fire Loading
J. Walz, A.E. Surovek, South Dakota School of Mines and Technology, SD, USA, A. Argwal, L. Choe, A. Varma, Purdue University, West Lafayette, IN, USA

Session 6 - Stability under Seismic Demands

Effects of Stiffeners on Steel Panel and Boundary Elements of Steel Plate Shear Wall System
T. Zou, Q. Zhao, University of Tennessee, Knoxville, TN, USA

Cyclic Elastoplastic Analysis and Ductility Evaluation of Steel Braces
I.H.P. Mamaghani, University of North Dakota, Grand Forks, ND, USA
  
Session 7 - Frame Stability

In-Plane Stability Considerations of Column Braced Steel Frames
A.H. Salem, A.A. Elserwi, F.F.F. El Dib, Ain Shams University, Cairo, Egypt

Improved Joist Girder Moment Frame Design using Equivalent Beam Theory
P.A. Knodel, A.E. Surovek, South Dakota School of Mines and Technology, Rapid City, SD, USA, J.J. Pote, New Millenium Building Systems, Hope, AR, USA

Session 8 - Thin-walled Steel Member Stability

Stability of Cylindrical Steel Panels under Uniform Axial Compression
 K.L. Tran, Paris-Est University, France, L. Davaine , SNCF, St. Denis, France

Behavior and Design of Cold-Formed Steel Lipped and Plain Angles
Y. Shifferaw, B.W. Schafer, Johns Hopkins University, Baltimore, MD, USA

Buckling, Post-Buckling Behavior and Strength of Cruciform Columns
P.B. Dinis, D. Camotim, ICIST/IST, Technical University of Lisbon, Lisbon, Portugal

Session 9 - Beedle Presentation Session

Beedle Award Winner Presentation: Wagner’s Beam Cycle
N.S. Trahair, University of Sydney, Sydney, NSW, Australia

Flange Bracing Requirements for Stability of Metal Building Systems
C.D. Bishop, D.W. White, Georgia Institute of Technology, Atlanta, GA, USA, A. Sharma, Skidmore Owings and Merrill, Chicago, IL, USA, Y.D. Kim, Georgia Institute of Technology, Atlanta, GA, USA

 Session 10 - Girder and Truss Stability

Predicting Girder End Twist in Skewed Straight Steel Girder Bridges
Craig Quadrato, United State Military Academy, West Point, West Point, NY, USA, Weih Wang, Michael Engelhardt, Todd Helwig, University of Texas at Austin, Austin, TX, USA, Karl Frank, Hirschfeld Industries, Austin, TX, USA

Buckling Behavior of Steel Truss with Torsional Bracing
Rangsan Wongjeeraphat, Todd A. Helwig, University of Texas at Austin, Austin, TX, USA

Session 11- Member Stability

Elastic-plastic Behavior of Semi-Compact Steel Cross-Sections
N. Boissonnade, College of Engineering and Architecture of Fribourg, Fribourg, Switzerland, J.P. Jaspart, University of Liege, Liege, Belgium, M. Kettler, A. Lechner,Graz University of Technology, Graz, Austria

Towards a Strain Energy Based Strength Prediction for Locally Slender Structural Steel Columns
M. Seif, B.W. Schafer, Johns Hopkins University, Baltimore, MD, USA

Cyclic Testing of Steel I-Beams with GFRP
O.O. Egilmez, D. Yormaz, Izmir Inst. of Technology, Izmir, Turkey

SSRC Annual Meeting Technical Presentations, Session 1

Cyclic Behavior and Ductility Evaluation of Thin-Walled Stiffened Steel Box Columns
Iraj H.P. Mamaghani, Navid Nemati, Ersoz Erdogan, University of North Dakota, Grand Forks, ND, USA

Modeling Elastic and Inelastic, Critical- and Post-Buckling Behavior of Bracing Members
Swaminathan Krishnan, California Institute of Technology, Pasadena, CA, USA
  
SSRC Annual Meeting Technical Presentations, Session 2

Parameters for the Optimal Section Design of Steel Cold-Formed Channel  in Bending
Zacaria M. Chamberlain Pravia, Moacir Kripka, Rodrigo Bordignon, University of Passo Fundo, Passo Fundo, Brazil

Impact of Cross-Section Stability on Cold-Formed Steel Member Stiffness and Ductility
Deniz Ayhan, Benjamin W. Schafer, Johns Hopkins University, Baltimore, MD, USA