Cement Science and Concrete Technology
Online ISSN : 2187-3313
Print ISSN : 0916-3182
ISSN-L : 0916-3182
Repair and Strengthening
BOND AND SHEAR PROPERTIES OF BOND SURFACE JOINTED BY CHEMICAL ROUGHENING METHOD
Norihiko KURIHARA, Takuya YOSHIDA, Taichi ENOMOTO, Satoru KOGA
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Keywords: Repair and reinforcement, Chemical roughening method, Bond strength, Shear strength, Bonding capacity, Surface roughness
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2019 Volume 73 Issue 1 Pages 340-347

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Abstract

In this study, bond and shear properties of bond surface jointed by chemical roughening method were investigated. As a result, the bond strength of the rough surface made by the chemical roughening method exceeded the NEXCO standard value of 1.5N/mm2. In addition, if the substrate material was ordinary concrete, the shear strength of the chemically rough surface was greater than that of the blasted surface. When evaluating the bond strength and shear strength of the bond surface, it was more accurate to use Rz JIS and Spc.

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