| 对三眼峪泥石流以往防治措施的反思 |
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| 引用本文： | 王根龙,张茂省,赵成,胡向德,于国强,曾庆铭.对三眼峪泥石流以往防治措施的反思[J].西北地质,2011,44(3):115-121. |
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| 作者姓名： | 王根龙 张茂省 赵成 胡向德 于国强 曾庆铭 |
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| 作者单位： | 1. 中国地质调查局西安地质调查中心,陕西西安,710054
2. 甘肃省地质环境监测院,甘肃兰州,730050 |
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| 基金项目： | 国土资源大调查计划项目"西北黄土高原区地质灾害详细调查"，中国博士后科学基金，国家自然科学基金项目 |
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| 摘 要： | “8．8”舟曲特大山洪泥石流灾难惨重，引起国内外工程地质界的广泛关注。调查发现，以往的防治工程在这次特大泥石流中彻底被摧毁，防护能力完全失效，对此应深刻反思，吸取教训。在现场调查的基础上，通过离散元数值模拟和理论分析计算，得出浆砌块石拦挡坝抗泥石流冲压强度不足，泥石流流量与排导工程断面不匹配，排导沟行洪能力严重不足和弯道过多曲率较大等结论。这些问题的思考与认识可作为灾后治理工程方案论证的借鉴。
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| 关 键 词： | 拦挡坝强度 排导沟挤占 防治工程失效 行洪能力 三眼峪泥石流 |
Post-Thinking of the Former Mitigation Measures for the Sanyanyu Debris Flow |
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| WANG Gen-long,ZHANG Mao-sheng,ZHAO Cheng,HU Xiang-de,YU Guo-qiang,ZENG Qing-ming.Post-Thinking of the Former Mitigation Measures for the Sanyanyu Debris Flow[J].Northwestern Geology,2011,44(3):115-121. |
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| Authors: | WANG Gen-long ZHANG Mao-sheng ZHAO Cheng HU Xiang-de YU Guo-qiang ZENG Qing-ming |
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| Institution: | WANG Gen-long1,ZHANG Mao-sheng1,ZHAO Cheng2,HU Xiang-de2,YU Guo-qiang1,ZENG Qing-ming1(1.Xi'an Center of Geological Survey,CGS,Xi'an 710054,China,2.Gansu Institute of Geological Environment Monitoring,Lanzhou 730050,China) |
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| Abstract: | The extra large debris flow in Zhouqu county on August 8,2010 caused serious disaster which causing widespread concern of domestic and international engineering geological community.The investigation after disaster found that the former prevention and control projects were completely destroyed and the protection ability was breakdown.We should rethink it in order to learn this painful lesson.Based on the field investigation,through the discrete element simulation and theoretical analysis,the paper obtains s... |
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| Keywords: | strength of gravity dam occupation of drainage ditch invalidation of prevention and treatment projects flood discharge capacity Sanyanyu debris flow |
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