Fiber-based modeling of reinforced HPFRCC hinge regions

H. Tariq, E. Jampole, M. J. Bandelt

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Over the last two decades, researchers have conducted various experimental investigations of structural components made with High-Performance Fiber-Reinforced Cementitious Composites (HPFRCC) for proof-of-concept seismic applications. Engineered Cementitious Composites (ECC), one type of HPFRCC material, have improved the damage resistance of reinforced concrete elements. Experimental research of reinforced ECC (R/ECC) components have shown higher strength, ductility, and energy dissipation capacity as compared to traditional reinforced concrete components. Developing sophisticated numerical models to predict the nonlinear response of reinforced ECC components can improve the confidence of engineers in using the material, and enhance its practical applications. This paper discusses the calibration of fiber-based models that are used to simulate the response of reinforced ECC beams under various deformation histories. The goal of the calibration is to ensure that the model can capture the component level behavior which includes global force-deformation response. The accuracy of the calibration procedure is evaluated by comparing the numerical parameters with experimental ones in terms of maximum strength, stiffness degradation, and energy dissipation capacity. The numerical results show strong agreement with experimental specimens. Recommendations are provided to calibrate the simulated response of reinforced HPFRCC members subjected to various deformation histories.

Original languageEnglish (US)
Title of host publication11th National Conference on Earthquake Engineering 2018, NCEE 2018
Subtitle of host publicationIntegrating Science, Engineering, and Policy
PublisherEarthquake Engineering Research Institute
Pages7437-7447
Number of pages11
ISBN (Electronic)9781510873254
StatePublished - 2018
Event11th National Conference on Earthquake Engineering 2018: Integrating Science, Engineering, and Policy, NCEE 2018 - Los Angeles, United States
Duration: Jun 25 2018Jun 29 2018

Publication series

Name11th National Conference on Earthquake Engineering 2018, NCEE 2018: Integrating Science, Engineering, and Policy
Volume12

Conference

Conference11th National Conference on Earthquake Engineering 2018: Integrating Science, Engineering, and Policy, NCEE 2018
CountryUnited States
CityLos Angeles
Period6/25/186/29/18

All Science Journal Classification (ASJC) codes

  • Geotechnical Engineering and Engineering Geology

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