四川省峨边彝族自治县地质灾害特征与成因分析
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摘要
4·20芦山地震对峨边县造成严重影响,地质环境脆弱,县域内地质灾害频发。在对该县进行地质灾害调查基础上,查明地质灾害分布及特征。从地形地貌条件、地层岩性条件、地质构造条件、气象水文及人类活动等方面,对地质灾害的特征及成因进行探讨,从时间、空间及地质条件出发分析县域内地质灾害发育规律,针对不同灾害类型,提出相应的防灾减灾措施建议,可作为指导县域地质灾害防治工作的技术依据。
4·20 Lushan earthquake has caused a serious consequence to Ebian county that geological environment is fragile and the county area is typically characterized by geologic hazards.Based on the geological disaster emergency investigation of Ebian county to find out the distribution and feature of geologic hazards.In addition,to analyze the characteristic and causes of geologic hazards through the condition of landform,formation lithology,geological structure,the factor of meteorology and hydrology and human activities,etc.Besides,to analyze the development rules of county area's geologic hazards through time,space and geological conditions.According to different type of hazards should put forward relevant measures to preventing disasters and reducing damages.These measures can as technical basis to guide the prevention of county area's geologic hazards.
4·20 Lushan earthquake has caused a serious consequence to Ebian county that geological environment is fragile and the county area is typically characterized by geologic hazards.Based on the geological disaster emergency investigation of Ebian county to find out the distribution and feature of geologic hazards.In addition,to analyze the characteristic and causes of geologic hazards through the condition of landform,formation lithology,geological structure,the factor of meteorology and hydrology and human activities,etc.Besides,to analyze the development rules of county area's geologic hazards through time,space and geological conditions.According to different type of hazards should put forward relevant measures to preventing disasters and reducing damages.These measures can as technical basis to guide the prevention of county area's geologic hazards.
引文
[1]王兆印,崔鹏,刘怀湘.汶川地震引发的山地灾害以及堰塞湖泊的管理方略[J].水利学报,2010,41(7):757-763.
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[4]李晓,李守定,陈剑,等.地质灾害形成的内外动力耦合作用机制[J].岩石力学与工程学报,2008,27(9):1792-1806.
[5]陶连金,苏生瑞,张倬元.节理岩体边坡的动力稳定性分析[J].工程地质学报,2001,9(1):32-38.
[6]王德耀,杜忠潮,张满社.陕西省泾阳南塬崩塌、滑坡地质灾害及成因分析[J].水土保持通报,2004,24(4):34-37.
[7]王思敬.地球内外动力耦合作用与重大地质灾害的成因初探[J].工程地质学报,2002,10(2):115-117.
[2]崔鹏,韦方强,何思明,等.“5.12”汶川地震诱发的山地灾害及减灾措施[J].山地学报,2008,26(3):280-282.
[3]四川省地质矿产局.四川省区域地质志[M].地质出版社,1991,609-625.
[4]李晓,李守定,陈剑,等.地质灾害形成的内外动力耦合作用机制[J].岩石力学与工程学报,2008,27(9):1792-1806.
[5]陶连金,苏生瑞,张倬元.节理岩体边坡的动力稳定性分析[J].工程地质学报,2001,9(1):32-38.
[6]王德耀,杜忠潮,张满社.陕西省泾阳南塬崩塌、滑坡地质灾害及成因分析[J].水土保持通报,2004,24(4):34-37.
[7]王思敬.地球内外动力耦合作用与重大地质灾害的成因初探[J].工程地质学报,2002,10(2):115-117.
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