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Uniaxial tension-compression fatigue behavior and fiber bridging degradation of strain hardening fiber reinforced cementitious composites

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Title: Uniaxial tension-compression fatigue behavior and fiber bridging degradation of strain hardening fiber reinforced cementitious composites
Authors: Matsumoto, Takashi Browse this author
Wangsiripaisal, Kavalin Browse this author
Hayashikawa, Toshiro Browse this author
He, Xingwen Browse this author
Keywords: Fiber reinforced material
Strain hardening
Fiber bridging
Strain controlled fatigue
Compressive loading
Issue Date: Nov-2010
Publisher: Elsevier
Journal Title: International Journal of Fatigue
Volume: 32
Issue: 11
Start Page: 1812
End Page: 1822
Publisher DOI: 10.1016/j.ijfatigue.2010.04.012
Abstract: This study aims to clarify experimentally the uniaxial tension-compression fatigue behavior and fiber bridging stress degradation of strain hardening fiber reinforced cementitious composites. During fatigue cyclic loading, tensile bridging stress corresponding to the preset maximum tensile strain was recorded with the number of cycles in order to observe the degradation of the tensile bridging stress. Major bridging stress degradation was observed before reaching 1,000 cycles, and microscopic observation of the failure surface confirmed severe fiber damages. Fitting curves of bridging stress degradation are proposed with the idea of Weibull distribution. The preliminary results of the current study with a limited number of specimens are compared with those of a uniaxial tensile fatigue study, and the differences of bridging stress degradations are discussed.
Type: article (author version)
URI: http://hdl.handle.net/2115/45420
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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