【摘要】 分析了目前大型预应力混凝土结构所存在的安全问题 ,并指出了大型结构关键受力构件长期监测的重要性。详细阐述了分布式光纤传感器的工作原理 ,介绍了国内外光纤传感器应用于桥梁等大型预应力混凝土结构进行安全监测的现状 ,拓展出应用前景更多还原

【Abstract】 This paper analyzes the safety problem,which exists in the large-sized pre-stressed concrete structures and points out the importance of the long-time monitoring of the key components of large-sized structures.It also illustrates the working theory of the distributed optical fiber sensors and looks to the development and application of the optical fiber sensors to large-sized bridge structures.更多还原