甘肃省舟曲县南峪滑坡分析
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Analysis on Landslide of Nanyu in Zhouqu County of Gansu Province
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    摘要:

    该文论述了甘肃省舟曲县南峪滑坡的过程和灾情.并从内因与外因两个方面对滑坡的成因进行了分析。指出:舟曲南峪滑坡是一个发育在断裂构造破碎带上的老滑坡,这次滑坡的范围仍在老滑坡体的边界内,滑前滑坡区一带共有四次大、暴雨,这对滑坡大规模下滑起了重要的诱发作用,其滑动的土石方总量约875万m3,堵断白龙江达8h,横贯滑坡前缘的S313线有2km路基被毁,中断交通达40天,造成的危害十分严重。

    Abstract:

    The situation and process of landslide of Nanyu have been described. Based on the internal and the externalcause of the landslide .its cause of formation have been analysed. It is indicated that the landslide in Nanyu.Zhouqu county, depends on an ancient landslide that was formed in brocken zone in faulting structure.New landslide formed within ancient one. Before it slided,there were four times of heavy and storm rainfalls,which isan important action of formation of inducing landslide. The volume of the landslide reached 8. 7 million m3. The landslide blocked up the Beilongjiang river for 8 hours. The S 313 highway in front of the landslide was destroyed in the range of 2 km. The traffic transport was stopped up to 40 days. Harmfullness caused is quite serious.

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王景荣,祁龙,蔡祥兴.甘肃省舟曲县南峪滑坡分析[J].水土保持通报,1994,(1):57-60

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  • 收稿日期:1993-06-10
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  • 在线发布日期: 2014-11-28
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