Flexural Behavior of Polyvinyl Alcohol Fiber–Reinforced Ferrocement Cementitious Composite
Publication: Journal of Materials in Civil Engineering
Volume 33, Issue 4
Abstract
A new mechanical model of polyvinyl alcohol fiber–reinforced ferrocement cementitious composite (PVA-RFCC) was proposed with excellent integrated mechanical properties, which was reinforced with both PVA fiber and steel wire mesh (SWM). A series of experiments were conducted to study their mechanical properties, and a comparative analysis was also performed to evaluate their flexural toughness. The specimens of the PVA-RFCC thin plates were subjected to 4-point flexural experiments until their ultimate failure. The experimental results showed that the flexural properties of the PVA-RFCC specimens can be markedly improved compared with PVA-ECC (PVA-engineered cementitious composites) specimens. The highest increments in the initial stiffness, cracking strength, displacement ductility coefficient, and toughness of the PVA-RFCC specimens were improved by 62.4%, 174.7%, 251.0%, and 192.5%, respectively. The comparative analysis indicated that the method based on recent Chinese standards was suitable for the flexural toughness evaluation of the PVA-RFCC thin plates. A mechanical model of the PVA-RFCC thin plates was proposed. The PVA fibers had excellent prepeak behavior and the SWM had excellent postpeak behavior in the proposed mechanical model of the PVA-RFCC specimens.
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Data Availability Statement
All data, models, and code generated or used during the study appear in the published article.
Acknowledgments
The authors would like to acknowledge the financial support from Innovative Venture Technology Investment Project of Hunan Province (2018GK5028), National Key R&D Program of the Thirteenth (2017YFC0504505), and Key R&D Program of Hunan Province (2018WK2111).
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Published In
Journal of Materials in Civil Engineering
Volume 33 • Issue 4 • April 2021
Copyright
© 2021 American Society of Civil Engineers.
History
Received: Jul 16, 2019
Accepted: Jul 20, 2020
Published online: Jan 28, 2021
Published in print: Apr 1, 2021
Discussion open until: Jun 28, 2021
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