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杭州湾跨海大桥混凝土结构耐久性原位监测预警系统

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Keywords: 桥梁工程,混凝土结构,电化学原理,耐久性,预警系统,无损监测

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Abstract:

?为了确保杭州湾跨海大桥混凝土结构达到百年设计使用寿命,评价混凝土结构耐久性状况的动态发展,通过对预埋式钢筋腐蚀无损监测传感系统的国际合作研究,确定了基于电化学原理和辅助光纤技术的耐久性监测技术思路,制定了该工程耐久性动态预报监测平台的构架技术方案,捕获了结构各部位腐蚀预警的个性化判据,优化了全桥测点的布置,集成、改良并安装了控制关键部位的全套系统(共计48套监测单元)。工程实测结果表明:测试数据稳定,并且与实验室研究数据吻合。

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