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Advances in Civil Engineering
Volume 2018 (2018), Article ID 4308084, 12 pages
Research Article

Uniaxial Compressive Test of High Ductile Fiber-Reinforced Concrete and Damage Constitutive Model

School of Civil Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China

Correspondence should be addressed to Mingke Deng; moc.621@ekgnimgned

Received 5 August 2017; Revised 18 November 2017; Accepted 23 November 2017; Published 25 February 2018

Academic Editor: Chiara Bedon

Copyright © 2018 Mingke Deng et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


It has been widely recognized that the constitutive model plays an essential role in engineering application of high ductile fiber-reinforced concrete (HDC). In this research, uniaxial compressive tests were conducted on nine groups of HDC specimens with different mixture ratios and one group of mortar matrix specimens as comparison, discussing the effect of fiber content, water-cement ratio, fly ash content, and sand-binder ratio. According to the characteristics of stress-strain curve of HDC under uniaxial compression, a damage constitutive model was proposed by introducing two damage threshold parameters and then was compared with other existing models. Results indicated that the damage model curves suggested in this paper were best consistent with experimental curves and substantially demonstrate the damage evolution process as well as the cracking resistance effect of fiber bridging stress.