Modeling of Reinforced Concrete Assemblies under Column-Removal Scenario
Publication: Journal of Structural Engineering
Volume 140, Issue 1
Abstract
This paper presents a computational investigation of two reinforced concrete beam-column assemblies, each comprising three columns and two beams, subjected to monotonically increasing vertical displacement of the unsupported center column simulating a column removal scenario. One assembly was part of an intermediate moment frame and the other was part of a special moment frame. Two types of models were developed: (1) detailed models with highly refined solid and beam elements to represent the nonlinear material behavior of concrete and reinforcement, and (2) reduced-order models with significantly fewer beam and spring elements to represent the nonlinear behavior of structural components. Reduced models are desirable for analysis of complete three-dimensional (3D) structural systems. Modeling approaches for the detailed and reduced models are described, and the computational results are compared with experimental data from full-scale tests. Good agreement is observed, which demonstrates the capability of the detailed and reduced models to capture the primary response characteristics and failure modes, including the successive development of compressive arching action and catenary action in the beams and the fracture of reinforcing bars at the beam-column interface.
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Acknowledgments
The work presented herein was partially funded by the National Science Foundation through grant CMMI-0928953. The concrete assembly tests were supported by NIST and the Department of Homeland Security, Science and Technology Directorate under Interagency Agreement HSHQDC-10-X-00370 with NIST. Any opinions, findings, conclusions, and recommendations expressed in this paper are those of the authors and do not necessarily reflect the views of the sponsors. Valuable suggestions and review comments from Drs. Joseph Main and Fahim Sadek of NIST in the development of the numerical models are gratefully acknowledged.
Certain commercial software or materials are identified to describe a procedure or concept adequately. Such identification is not intended to imply recommendation, endorsement, or implication by NIST that the software or materials are necessarily the best available for the purpose.
References
American Concrete Institute. (2008). “Building code requirements for structural concrete and commentary.”, Farmington Hills, MI.
Bao, Y., and Kunnath, S. K. (2010). “Simplified progressive collapse simulation of RC frame-wall structures.” Eng. Struct., 32(10), 3153–3162.
Bao, Y., Kunnath, S. K., El-Tawil, S., and Lew, H. S. (2008). “Macromodel-based simulation of progressive collapse: RC frame structures.” J. Struct. Eng., 1079–1091.
Comite Euro-International du Beton. (1991). CEB-FIP model code 1990 design code, Thomas Telford, London.
de Witte, F. C. (2005). User’s manual—release 9, TNO DIANA BV, Delft, Netherlands.
Department of Defense. (2009). “Design of buildings to resist progressive collapse.”, Washington, DC.
Department of Homeland Security. (2011). “Preventing structures from collapsing.”, Washington, DC.
Federal Highway Administration. (2007). “Evaluation of LS-DYNA concrete material model 159.”, McLean, VA.
General Services Administration. (2003). Progressive collapse analysis design guidelines for new federal office buildings and major modernization projects, Washington, DC.
Hallquist, J. (2007). LS-DYNA keyword user’s manual, Livermore Software Technology Corporation, Livermore, CA.
International Code Council. (2009). International building code, Washington, DC.
Lew, H. S., Bao, Y., Sadek, F., Main, J. A., Pujol, S., and Sozen, M. A. (2011). “An experimental and computational study of reinforced concrete assemblies under a column removal scenario.”, National Institute of Standards and Technology, Gaithersburg, MD.
Lowes, L. N., Mitra, N., and Altoontash, A. (2004). “A beam-column joint model for simulating the earthquake response of reinforced concrete frames.”, Pacific Earthquake Engineering Research Center, Berkeley, CA.
Luccioni, B. M., Ambrosini, R. D., and Danesi, R. F. (2004). “Analysis of building collapse under blast loads.” Eng. Struct., 26(1), 63–71.
Popovics, S. (1973). “A numerical approach to the complete stress strain curve for concrete.” Cem. Concr. Res., 3(5), 583–599.
Sasani, M., Werner, A., and Kazemi, A. (2011). “Bar fracture modeling in progressive collapse analysis of reinforced concrete structures.” Eng. Struct., 33(2), 401–409.
Scott, B. D., Park, R., and Priestley, M. J. N. (1982). “Stress-strain behavior of concrete confined by overlapping hoops at low and high strain rates.” ACI J., 79(1), 13–27.
Su, Y., Tian, Y., and Song, X. (2009). “Progressive collapse resistance of axially-restrained frame beams.” ACI Struct. J., 106(5), 600–607.
Talaat, M. M., and Mosalam, K. M. (2008). “Computational modeling of progressive collapse in reinforced concrete frame structures.”, Pacific Earthquake Engineering Research Center, Berkeley, CA.
Yi, W., He, Q., Xiao, Y., and Kunnath, S. K. (2008). “Experimental study on progressive collapse-resistant behavior of reinforced concrete frame structures.” ACI Struct. J., 105(4), 433–439.
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Information
Published In
Journal of Structural Engineering
Volume 140 • Issue 1 • January 2014
Copyright
© 2013 American Society of Civil Engineers.
History
Received: Mar 2, 2012
Accepted: Nov 6, 2012
Published online: Nov 8, 2012
Published in print: Jan 1, 2014
Discussion open until: Feb 19, 2014
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