用于评估钢筋混凝土结构的传感器

埃塞 俄比, 乌比 舍特
芬兰土木工程系

摘要

这项工作研究了钢筋混凝土结构自主腐蚀评估的技术可行性。由碳化或氯化物渗透引起的钢筋（钢筋）腐
蚀是全球混凝土结构劣化的主要原因之一。通过混凝土中的 pH值和氯离子（Cl-
）浓度对碳化进行持续无损的在役
监测对于早期检测腐蚀和做出适当的决定是必不可少的，这最终使RC结构的生命周期管理从资源和安全角度优化。
对 pH和 Cl-传感器的最新审查表明，尽管实验进行的时间相对较短，但大多数传感器在混凝土环境中具有高灵敏度、
可靠性和稳定性。在审查过的作品中，只有三个尝试无线监测 Cl-
，尽管范围很短。

关键词

传感器；自主腐蚀评估；腐蚀；钢筋混凝土

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