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斜拉索是大跨度斜拉桥关键的承重构件。由于长年在复杂的自然环境中使用,对斜拉索采取适当的防腐措施是十分必要的。本文介绍了斜拉索常用的腐蚀损伤控制方法,并根据拉索自然环境下腐蚀的特点,提出了基于无机有机纳米杂化新技术以控制腐蚀微环境,延长拉索使用寿命的新设想。
Stay cable is a key load-bearing component of long-span cable-stayed bridge. Due to the long-term use in complex natural environment, it is very necessary to take proper anticorrosion measures on the stay cables. In this paper, the control methods of corrosion damage commonly used in stay cables are introduced. According to the characteristics of corrosion in natural environment of cable, a new idea based on inorganic and organic nano hybrid technology to control the corrosion microenvironment and prolong the service life of cables is proposed.