| 川东某场镇后山滑坡发育特征与机理分析 |
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| 引用本文： | 陈世龙,郭伟,陈亚婷,张涛,刘晓钦.川东某场镇后山滑坡发育特征与机理分析[J].四川地质学报,2020,40(1):119-124. |
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| 作者姓名： | 陈世龙 郭伟 陈亚婷 张涛 刘晓钦 |
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| 作者单位： | 四川省地矿局成都水文地质工程地质中心,成都610001;四川省华地建设工程有限责任公司,成都610001 |
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| 摘 要： | 四川盆地红层丘陵地区局部垂向裂隙发育的坡体容易受强降雨影响发生平推式滑坡,对于该类滑坡前人已有较为系统的研究,但对该类滑坡体局部复活特征的研究尚不深入。以川东某地老平推式滑坡体上发育的现代滑坡为例,分析了这类老滑坡局部复活的机理特征,5·12强震对滑坡体完整性造成了一定程度的破坏,是老滑坡复活的因素之一;但后缘人工弃渣的加载是其复活最直接的激发因素。文章对治理方案进行了可行性探讨,最终选用"前缘抗滑桩+后缘截水沟+裂缝夯实"方案。
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| 关 键 词： | 川东 老滑坡复活 机理分析 |
Analysis on the Development and Mechanism of the Houshan Landslide in a Town in Eastern Sichuan |
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| CHEN Shi-long,GUO Wei,CHEN Ya-ting,ZHANG Tao,LIU Xiao-qin.Analysis on the Development and Mechanism of the Houshan Landslide in a Town in Eastern Sichuan[J].Acta Geologica Sichuan,2020,40(1):119-124. |
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| Authors: | CHEN Shi-long GUO Wei CHEN Ya-ting ZHANG Tao LIU Xiao-qin |
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| Institution: | (Chengdu Center of Hydrogeology and Engineering Geology,SBGEEMR,Chengdu 610001;Sichuan Huadi Construction Engineering Co.Ltd.,Guanghan,Sichuan,610001) |
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| Abstract: | The slope bodies with local development of vertical fractures in the red-bed hilly area of the Sichuan Basin are prone to translational landslide under the influence of heavy rainfall. This kind of landslides has been systematically studied, but the study on the local revival characteristics of this kind of landslides is still not in-depth. By the example of a modern landslide developed on an old translational landslide in east Sichuan, this paper makes an approach to the mechanism for local reactivation of this old landslide and the feasibility of the treatment scheme. |
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| Keywords: | translational landslide old landslide reactivation sliding mechanism |
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