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Fatigue Crack Growth Analysis of Fiber Reinforced Concrete with Effect of Interfacial Bond Degradation

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Title: Fatigue Crack Growth Analysis of Fiber Reinforced Concrete with Effect of Interfacial Bond Degradation
Authors: Li, Victor C. Browse this author
Matsumoto, Takashi Browse this author
Keywords: Fibre reinforced concrete
Fatigue crack growth
Interface bond degradation
Cyclic loading
Crack bridging
Issue Date: Oct-1998
Publisher: Elsevier
Journal Title: Cement and Concrete Composites
Volume: 20
Issue: 5
Start Page: 339
End Page: 351
Publisher DOI: 10.1016/S0958-9465(98)00010-9
Abstract: This paper presents an analytic model for fatigue crack life prediction in fiber reinforced concrete (FRC). The model elucidates fatigue crack growth in cementitious matrix material under the influence of external cyclic load and fiber and aggregate bridging. It is shown that fiber-matrix interface damage is necessary to properly simulate the three experimentally observed stages of matrix crack growth, involving a decelerated stage, a steady state stage, and an accelerated stage towards final fracture failure. This model, which explicitly accounts for the positive role of fiber on fatigue life, predicts the existence of the well known fatigue limit load in standard S-N curve tests of FRCs. The basic framework of this analysis can be used to address fatigue life of FRC structures subjected to high cycle fatigue loading, as well as providing a basis for material design of fatigue resistant FRC at the microstructure level.
Type: article (author version)
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 松本 高志

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