Through analyzing terrains and landforms,geological conditions,climate conditions,human activities and physical mechanical features of debris flow ditch,it further analyzes forming mechanism of debris flow in Songjia ditch.Study results show that large-scale debris flow possibly happen in Songjia ditch,and proposes several processing proposals,with a view to protect national and people's life and property from being destroyed by debris flow.%通过研究分析泥石流沟的地形地貌、地质条件、气候条件、人类活动以及物理力学特征,对宋家沟泥石流的形成机制做了进一步分析,研究结果表明宋家沟极有可能爆发大规模泥石流,并提出了几项治理建议,以期保护国家和人民的生命财产免受泥石流的侵害。
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