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Award Abstract #1000549

Collaborative Research: Damage Compliant Inelastic Design Parameters for Performance-Based-Seismic-Design of Slender RC Columns

Div Of Civil, Mechanical, & Manufact Inn
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Initial Amendment Date: May 27, 2010
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Latest Amendment Date: May 12, 2012
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Award Number: 1000549
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Award Instrument: Standard Grant
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Program Manager: Y. Grace Hsuan
CMMI Div Of Civil, Mechanical, & Manufact Inn
ENG Directorate For Engineering
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Start Date: June 1, 2010
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End Date: May 31, 2015 (Estimated)
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Awarded Amount to Date: $171,000.00
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Investigator(s): Rigoberto Burgueno burgueno@msu.edu (Principal Investigator)
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Sponsor: Michigan State University
Office of Sponsored Programs
East Lansing, MI 48824-2600 (517)355-5040
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NSF Program(s): Structural and Architectural E
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Program Reference Code(s): 036E, 039E, 040E, 043E, 1057, 116E, 9178, 9251
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Program Element Code(s): 1637


The research objective of this award is to develop and calibrate inelastic modeling parameters that better correlate damage to performance of slender reinforced concrete (RC) bridge columns. The specific modeling parameter to be investigated is the so-called plastic hinge length, which facilitates design and analysis tasks related to inelastic behavior. The approach will employ a mechanics-based methodology and progress from simple computational tools to high-fidelity modeling of the inelastic response of RC columns. Linking of these computational tools to a rigorous experimental program with accurate localized measurements will provide the necessary data to validate and calibrate the new mechanics-based models. The research will result in newly calibrated/validated plastic hinge length models with improved correlation and/or compliance with local damage that develop in RC bridge columns during seismic loads. Deliverables include new models for defining plastic hinge length that balance the design convenience and the analytical rigor of mechanics, while providing accuracy in their ability to relate to damage.

Current state of the art in seismic design is moving towards prescribing localized strain levels that correlate to a well-defined damage level. If successful, the research will provide valuable numerical tools for practitioners and researchers to use in the assessment/design of RC columns within this emerging design philosophy. The research will create a unifying framework for inelastic modeling in performance based design, which will be applicable to a range of column sizes in bridge and building structures. Research results will be archived in open-access repositories for utilization by others. Educational resources for undergraduate and graduate students such as a virtual structural testing laboratory will be created to facilitate their learning. Outreach activities are planned for K-12 students and freshmen engineering students. The PIs will leverage the project with REU supplementary funding for summer research fellowships exclusively targeted at underrepresented students.


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Babazadeh, A., Burgueño, R., and Silva, P. F.Ata Babazadeh, Rigoberto. "Use of 3D Finite Element Models for Predicting Damage Limit States in RC Bridge Columns," Journal of Structural Engineering, 2015, p. 04015012. 


Fedak, L., Burgueño, R., and Silva, P.F.. "Evaluation of Analysis Methods in Predicting Limit States for Performance-Based Seismic Design", 06/01/2011-05/31/2012, "to be presented at the 15th World Conference on Earthquake Engineering",  2012, "Lisbon, Portugal, September 2012".

Sangtarashha, A., Silva, P.F., and Burgueño, R.. "Evaluation of a New Inertial Loading System for Shake Table Tests of Slender Cantilever Reinforced Concrete Columns", 06/01/2011-05/31/2012, "to be presented at the 15th World Conference on Earthquake Engineering",  2012, "Lisbon, Portugal, September 2012".

Silva, P.F., Sangtarashha, A., and Burgueño, R.. "P-Delta Effects in Limit State Design of Slender RC Bridge Columns", 06/01/2011-05/31/2012, "to be presented at the 15th World Conference on Earthquake Engineering",  2012, "Lisbon, Portugal, September 2012".


Please report errors in award information by writing to: awardsearch@nsf.gov.



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