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洛古水电站位于青藏高原东部横断山系东缘的大凉山山脉,调查表明,库区内共发育泥石流沟谷8条。在系统分析泥石流发育地质环境背景的基础上,该文重点对库区泥石流沟的分布发育特征及泥石流沟谷特征进行详细论述,并对流域面积较大、活动性较强的3条典型泥石流沟的容重、流量、冲出量等重要工程参数进行了计算,对泥石流沟状况与发展趋势作了进一步分析,研究表明在水库运行及施工期间泥石流灾害对工程建设影响有限。
The Luogu Hydropower Station is located in the Daliangshan Range on the eastern edge of the Hengduan Mountains in the eastern Tibetan Plateau. Investigation shows that there are 8 debris flow valleys in the reservoir area. Based on the systematic analysis of the background of debris flow development geology environment, this paper focuses on the distribution and development characteristics of debris flow ditches in the reservoir area and the characteristics of debris flow valleys. In addition, three typical debris flow ditches with large area and high mobility are studied Bulk density, flow rate, outflow and other important engineering parameters were calculated, the status and development trend of debris flow ditches were further analyzed, the study shows that during the reservoir operation and construction of debris flow hazards have a limited impact on the construction.