Integrated Evaluation of Structural Performance over Time of Concrete Structures with Chloride Induced Damage

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Other Title
  • 鉄筋腐食したコンクリート構造物の構造・耐久性能評価の体系化
  • テッキン フショク シタ コンクリート コウゾウブツ ノ コウゾウ ・ タイキュウ セイノウ ヒョウカ ノ タイケイカ

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Abstract

This paper presents some of the results achieved by Technical Committee on Systematization to Evaluate Structure and Durability Performance in Corroded RC Structure, which works to establish the use of numerical structural analysis as an evaluation method that allows numerical representation in space and time of durability of concrete structures with chloride induced damage（hereinafter, structural performance over time）, and an index of structural performance over time allowing the evaluation of total structural systems. This paper covers in particular methods to evaluate the spatial variability of the amount of corrosion that affects structural performance using probabilistic and statistical techniques, and constitutive models related to reinforcement corrosion and the bond between concrete and corroded reinforcement, which are essential for the finite element analysis of corroded concrete structures. Further, an index of structural performance over time is proposed and formulated, and trial calculation results for total structural systems are introduced.

Journal

  • Concrete Journal

    Concrete Journal 52 (3), 243-250, 2014

    Japan Concrete Institute

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