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首页> 外文会议>国际断裂力学2009年会 >Service life and durability of RC structures exposed to southern and northern coastal area in China
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Service life and durability of RC structures exposed to southern and northern coastal area in China

机译：暴露于中国南部和北部沿海地区的钢筋混凝土结构的使用寿命和耐久性

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摘要

Based on an on-site investigation and literature survey,comparative analysis on the durability and service life of RC structures exposed to southern and northern coastal areas in China has been carried out.Based on the durability damage characters,the key factors that affect the RC structures durability of southern and northern coastal areas are investigated.The result shows that the corrosion in north is serious than that in south before 1950,but until 1980 the result is exactly opposite because of the mixing air-entraining agent into concrete.So the durability and service life of RC structures vary with time.The main reasons of different durability in southern and northern coastal areas are different corrosion damage type,structure type,cover thickness and exposure environment.
机译：在现场调查和文献调查的基础上，对我国南部和北部沿海地区的钢筋混凝土结构的耐久性和使用寿命进行了比较分析。基于耐久性损伤特征，影响钢筋混凝土的关键因素结果表明，北方地区的腐蚀比1950年以前的南方严重，但直到1980年，由于在混凝土中掺入了引气剂，腐蚀的结果正好相反。钢筋混凝土结构的使用寿命随时间而变化。南部和北部沿海地区耐久性不同的主要原因是腐蚀破坏类型，结构类型，覆盖层厚度和暴露环境不同。

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  • 来源
    《国际断裂力学2009年会》|2009年|535-538|共4页
  • 会议地点 Chengdu(CN);Chengdu(CN)
  • 作者

    Qingling Wu; Hongfa Yu; Jiachun Wang;

  • 作者单位

    Department of Civil Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China;

    Department of Civil Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China;

    Department of Civil Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Reinforced concrete (RC); Coastal area; South; North; Durability; Service life;

    机译：钢筋混凝土（RC）;沿海地区;南部;北部;耐久性;使用寿命;

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