提出采用新的位移测量方法和磁力耦合技术 ,进行混凝土结构和堆石坝连续观测的检测原理和方法 ,并研制了一种新型传感器。试验研究表明 :此传感器的精度高 ,长期稳定性和重复性好 ,密封性好 ,能够有效地实现混凝土坝和堆石坝的状态连续监测 Proposed a new displacement measurement method and magnetic coupling technology, continuous observation of concrete structures and rockfill dam detection principle and method, and developed a new type of sensor. Experimental results show that the sensor has high accuracy, good long-term stability and repeatability, good sealing, and can effectively monitor the state of concrete dams and rockfill dam effectively