分布式光纤技术在锦屏一级水电站地质平硐边坡监测中的应用研究

Study on application of distributed optical fiber technique to monitoring slope structure of geological adit for Jinping Hydropower Station I

应用分布式光纤传感技术对锦屏一级水电站地质平硐裂缝进行了监测分析,介绍了分布式光纤在工程平硐裂缝监测的布设和埋设工艺。采用组合式光纤方法实现了多量程、高精度的实时监测。通过与常规监测仪器结果的对比分析,结果表明,分布式光纤在裂缝监测方面具有较好的效果和实用价值。

The distributed optical fiber sensing technique is applied to monitor and analyze the cracks in the geological adit of Jinping Hydropower Station I;for which the distributing and embedded technologies of the distributed optical fiber for the cracking monitoring of the adit are presented herein.Consequently,the multi-range,high-precision,real-time monitoring is realized with the application of a combined optical fiber method.Through an analysis on the comparison with the result from the conventional monitori...