COROSSION CRACK PROPAGATION ANALYSIS OF REINFORCED CON- CRETE BY DAMAGE MODEL BASED ON FRACTURE MECHANICS
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- OKUMA Chisato
- 香川大学大学院 工学研究科安全ステム建設工学専攻
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- OKAZAKI Shinichiro
- 香川大学 工学部安全システム建設工学科
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- YOSHIDA Hidenori
- 香川大学 工学部安全システム建設工学科
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- KURUMATANI Mao
- 茨城大学 工学部都市システム工学科
Bibliographic Information
- Other Title
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- 破壊力学に基づく損傷モデルによる鉄筋コンクリートの腐食ひび割れ進展解析
- ハカイ リキガク ニ モトズク ソンショウ モデル ニ ヨル テッキン コンクリート ノ フショク ヒビワレ シンテン カイセキ
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Abstract
Structural performance and durability performance of the structure strongly depends on corrosion of the reinforcing bars and corrosion reduction amount. Normally, deterioration diagnosis is made visually. If it is possible to estimate the corrosion amount of the reinforcing bars from the cracks on the concrete surface, it is possible to perform advanced maintenance management. In this research we have adopted a damage model based on fracture mechanics developed in recent years. Simulation of crack propagation of concrete due to corrosion expansion of deformed reinforcement and round steel muscle by finite element scheme which can reproduce fine crack growth of concrete will be carried out and the influence of corrosion expansion of reinforcing bar on crack width will be examined.
Journal
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- Journal of Japan Society of Civil Engineers, Ser. B3 (Ocean Engineering)
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Journal of Japan Society of Civil Engineers, Ser. B3 (Ocean Engineering) 74 (2), I_67-I_72, 2018
Japan Society of Civil Engineers
