对RC结构状态进行监测是保障其性能水平的本质需求，这既是一个传统的方向，也因为其他领域的进步带来了新的发展。本文对近年来钢筋混凝土结构中钢筋锈蚀监测和混凝土耐久性监测的新技术进行综述，主要呈现了：（1）在钢筋锈蚀监测方面，半电池及自然电位法、极化电阻技术、电流噪声评估法等化学监测方法和超声波监测法、物理成像技术、电磁学监测技术等物理监测技术；（2）在混凝土状态监测方面，超声波监测、数字成像技术、损伤评价指标体系研究等基于混凝土自身劣化的监测技术和基于裂缝评估混凝土状态的监测技术；（3）在传感器及信号处理技术方面，光纤传感器和其他新型传感器技术。在状态感知层前端技术发展的同时，人工智能技术的融入是未来跨学科发展的一个趋势。

Monitoring the state of RC structures is an essential need to guarantee their performance level, which is both a traditional direction and a new development brought about by advances in other fields. This paper presents an overview of the new technologies in recent years for rebar corrosion monitoring and concrete durability monitoring techniques in reinforced concrete structures, mainly presenting (1) in terms of rebar corrosion monitoring, chemical monitoring methods such as half-cell and natural potential method, polarization resistance technique, current noise assessment method, and physical monitoring techniques such as ultrasonic monitoring method, physical imaging technique, and electromagnetism monitoring technique; (2) in terms of concrete condition monitoring, ultrasonic monitoring, digital imaging technology, damage evaluation index system research and other monitoring technologies based on the deterioration of concrete itself and monitoring technologies based on concrete cracks to assess the state of concrete; (3) in terms of sensors and signal processing technology, fiber optic sensors and other new sensor technologies. In the development of front-end technology in the state perception layer, the integration of human intelligence technology is a trend of future interdisciplinary development.

U445.7

国家自然科学基金项目（面上项目，重点项目，重大项目）