日本建築学会技術報告集
Online ISSN : 1881-8188
Print ISSN : 1341-9463
ISSN-L : 1341-9463
構造
破砕剤充填パイプにより鉄筋腐食ひび割れを模擬したコンクリートと鉄筋の付着性状
三谷 龍世西澤 和輝栗原 朋久金久保 利之
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2025 年 31 巻 79 号 p. 1307-1312

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This study focused on bond degradation in cracked concrete due to rebar corrosion. Monotonic and cyclic pull-out tests were conducted on concrete specimens using EAFP to simulate cracking due to rebar corrosion. The test results confirm that the maximum bond stress decreased with the increase of induced crack width. For specimens with short bond length, hysteresis models were developed, which generally well represented the bond stress-slip behavior in the test results. For specimens with long bond length, bond analysis was conducted using the proposed models and the analytical results showed good agreements with the test results.

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