Cause Analysis and Comprehensive Evaluation of Debris Flow in Zhangmu Gully in Tibet

LIU Da-xiang; HUANG Jin-hui; ZHAO Xin; ZHANG Xiao-gang; CHENG Zun-lan; LIU Jian-kang

doi:10.13961/j.cnki.stbctb.2014.02.022

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Cause Analysis and Comprehensive Evaluation of Debris Flow in Zhangmu Gully in Tibet

- Cause Analysis and Comprehensive Evaluation of Debris Flow in Zhangmu Gully in Tibet
- Bulletin of Soiland Water Conservation Vol. 33, Issue 2, Pages: 100-104(2014)
- 作者机构：
  
  1. 三峡地区地质灾害与生态环境湖北省协同创新中心,湖北,宜昌,443002
  2. 三峡大学土木与建筑学院,湖北,宜昌,443002
  3. 中国科学院山地灾害与地表过程重点实验室,四川,成都,610041
  4. 中国科学院水利部成都山地灾害与环境研究所,四川,成都,610041
  5. 中国科学院大学,北京,100049
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2014.02.022
  CLC：
- Published：2014
- 稿件说明：
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LIU Da-xiang, HUANG Jin-hui, ZHAO Xin, et al. Cause Analysis and Comprehensive Evaluation of Debris Flow in Zhangmu Gully in Tibet[J]. Bulletin of Soiland Water Conservation, 2014, 33(2): 100-104.
DOI：

LIU Da-xiang, HUANG Jin-hui, ZHAO Xin, et al. Cause Analysis and Comprehensive Evaluation of Debris Flow in Zhangmu Gully in Tibet[J]. Bulletin of Soiland Water Conservation, 2014, 33(2): 100-104. DOI： 10.13961/j.cnki.stbctb.2014.02.022.

摘要

樟木沟泥石流对西藏地区唯一的国家一类陆路通商口岸——樟木口岸具有较大威胁

为合理制定泥石流防治方案

在研究樟木沟泥石流形成条件和动力学特性的基础上

分别采用数量化综合评判方法和模糊数学综合评判方法对该泥石流沟的易发程度进行了评价。综合评判结果显示

樟木沟为一条轻度易发泥石流沟

但有偏向中度易发泥石流的倾向。此外

对沟道断面清水流量的监测结果表明

樟木沟内常年流水是樟木镇松散层内地下水的主要补给源

对樟木滑坡群稳定性有不利影响。

Abstract

The debris flow in Zhangmu gully is a great threat to Zhangmu treaty port

which is the only national level 1 treaty port in Tibet. In order to design a program to prevent debris flow

the study analyzed the forming conditions and dynamic characteristics of the debris flow gully

then evaluated the possibility of the occurrence of debris flow through quantitative and comprehensive method and fuzzy mathematic comprehensive evaluation method respectively. The result showed that Zhangmu gully is prone to has slight debris flow

but also has a possibility of moderate debris flow. In addition

monitoring results of the water flow showed that the running water in Zhangmu gully is the mainly supply source of groundwater in loose layer under Zhangmu town. This may has negative effect on the stability of Zhangmu landslide group.

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references

毛成文. 西藏樟木镇福利院滑坡稳定性分析与评价[D]. 陕西西安:西安科技大学,2008.

中华人民共和国国土资源部. DZ-T0220-2006泥石流灾害防治工程勘察规范[S]. 北京:中国标准出版社,2006.

八省一院小河站网规划协作组. 推理过程线[J]. 水文,1982(1):29-32.

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张丽萍,唐克丽. 矿山泥石流成灾度模糊综合评价:以神府东胜矿区为例[J]. 山地学报,2002,20(2):212-217.

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