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Article
Author(s)
Yuriko Ozu1, Masaru Miyaguchi1 and Toshiyuki Kanakubo2
Full-Text PDF XML 360 Views
DOI:10.17265/1934-7359/2018.09.005
Affiliation(s)
1. Sumitomo Mitsui Construction Co., Ltd., Chuo-ku, Tokyo 104-0051, Japan
2. Department of Engineering Mechanics and Energy, University of Tsukuba, Tsukuba-city, Ibaraki 305-8573, Japan
ABSTRACT
The authors have proposed the calculation method of
bridging law, that is expressed by tensile stress–crack width relationship, considering the influence of fiber orientation in FRCC (fiber-reinforced
cementitious composite). The objective of this study is to propose a new
tri-linear model that expresses the bridging law considering fiber orientation.
The parameters that give the characteristic points of the tri-linear model are
proposed as functions of orientation intensity.
The bending test, in which the specimens are fabricated
by three different casting methods,
is conducted to verify the adaptability of the proposed model. The results of
section analysis using the proposed model can present the difference of bending
strength due to the fiber orientation.
KEYWORDS
FRCC, tensile stress, crack width, tri-linear model, fiber orientation, PVA fiber, bending test, compacting vibrator.
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