| 外加应力对钢筋/环氧涂层体系在模拟孔隙液中失效的影响 |
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| 引用本文： | 胡旭晖,赵旭辉,左禹,唐聿明. 外加应力对钢筋/环氧涂层体系在模拟孔隙液中失效的影响[J]. 化工学报, 2011, 62(9): 2668-2673. DOI: 10.3969/j.issn.0438-1157.2011.09.042 |
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| 作者姓名： | 胡旭晖 赵旭辉 左禹 唐聿明 |
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| 作者单位： | 北京化工大学材料科学与工程学院，北京100029 |
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| 基金项目： | 国家自然科学基金项目(50731004)~~ |
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| 摘 要： | 引言钢筋混凝土由于具有来源容易、价格低廉、坚固耐用等优良特点,已成为世界上应用最普遍、范围最广的材料。然而,钢筋混凝土结构长期在服役环境的作用下也会失效,最终遭到腐蚀和破坏。其中,钢筋的锈蚀是最重要的原因之一。为此,人们开发了众多钢筋防腐技术,其中,环氧涂
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| 关 键 词： | 环氧涂层钢筋 EIS 吸水率 附着力 失效 |
Influence of applied load on failure of epoxy coated rebar in simulated concrete pore solution |
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| HU Xuhui,ZHAO Xuhui,ZUO Yn,TANG Yuming. Influence of applied load on failure of epoxy coated rebar in simulated concrete pore solution[J]. Journal of Chemical Industry and Engineering(China), 2011, 62(9): 2668-2673. DOI: 10.3969/j.issn.0438-1157.2011.09.042 |
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| Authors: | HU Xuhui ZHAO Xuhui ZUO Yn TANG Yuming |
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| Affiliation: | HU Xuhui,ZHAO Xuhui,ZUO Yu,TANG Yuming (School of Material Science and Engineering,Beijing University of Chemical Technology,Beijing 100029,China) |
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| Abstract: | The failure process of epoxy-coated rebars under different magnitudes of loads in simulated concrete pore solution with chloride ions was studied by electrochemical impedance spectrum(EIS)technology.The results showed that coating resistance of the sample under load declined,and water absorption increased obviously.The higher the load was,the faster the failure of the sample would be.The coating water absorption test result was consistent with that of EIS.In addition,the applied load made the coating adhesi... |
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| Keywords: | epoxy-coated rebar EIS water absorption adhesion failure |
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