Abstract: The characteristics of principle, structure and technology of the distributed optical fiber temperature measurement system (hereinafter referred to as DTS) are introduced simply in this paper. Meanwhile, combining practical application of the system into temperature and seepage observation on asphalt concrete seepage prevention face slab in the upper reservoir project of Zhanghewan pumped-storage power station, the results shows that the system has high progressiveness, veracity, flexibility and safety, and has good application and reference values in similar projects.

摘要： 简要介绍光纤分布式温度测量系统（下称DTS系统）的原理、结构和技术特点，结合该系统在张河湾抽水蓄能电站上水库沥青混凝土防渗面板温度和渗流定位监测中的实际应用，说明该系统的先进性、准确性、灵活性、安全性好，在同类工程中有较好的应用和参考价值。