基于经验的钢筋长期腐蚀物理化学模型
摘要
的回顾表明，钢筋腐蚀的发展比经典的经验Tuutti模型要复杂得多。提出了一个新的综合模型，该模型参考了许多
现场和实验室观测的观察结果和推论，并建立在钢腐蚀的双模模型之上。它包括混凝土-钢界面处混凝土中气孔的
关键作用，以及氯化物加速的长期碱溶作用。两者都受到压实度和混凝土渗透性的影响。氯化物在早期阶段的作用
仅限于空隙内的点蚀。这些对允许引发至关重要，而它们的尺寸影响早期腐蚀的严重程度。经验数据表明，对于平
均水温在10-20℃范围内的海水，相应的长期腐蚀速率ra在0.012-0.015 mm/y范围内。
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