四川省越西县铁西滑坡的稳定性评价
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摘要
四川省越西县铁西水电站发育一复合型滑坡——铁西滑坡,该滑坡体由早期岩质滑坡体和晚期土质滑坡体组成。在其所处地质环境基础上,运用工程地质分析方法对该滑坡的发育特征及形成机制进行分析,并对其稳定性进行评价。认为早期岩质滑坡处于稳定状态;晚期土质滑坡由于大规模的人类工程活动、暴雨及地震的影响而处于基本稳定状态。
A compound slide(Tiexi slide)developed in Tiexi hydropower station of Yuexi County,Sichuan Province.The slide consists of the early rock slide and the later soil slide.Based on the geological setting where the slide is located,development characteristics and forming mechanism of the landslide are analyzed through engineering geology,and its stability is evaluated.It is considered that the early rock slide is stable.The later soil slide is roughly stable as a result of the influences of human being's large scale activities,rainstorms and earthquakes.
A compound slide(Tiexi slide)developed in Tiexi hydropower station of Yuexi County,Sichuan Province.The slide consists of the early rock slide and the later soil slide.Based on the geological setting where the slide is located,development characteristics and forming mechanism of the landslide are analyzed through engineering geology,and its stability is evaluated.It is considered that the early rock slide is stable.The later soil slide is roughly stable as a result of the influences of human being's large scale activities,rainstorms and earthquakes.
引文
四川省地勘局攀西地质队.四川省越西县铁西水电站发电厂厂区滑坡治理工程可行性研究报告[R].西昌:四川省地勘局攀西地质队,2005.
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张倬元,王士天,王兰生.工程地质分析原理[M].北京:地质出版社,1997.321—322.
金仁祥,刘汉超.麻柳嘴滑坡成因机制分析[J].地质灾害与环境保护,2001,6(2):4—7.
王国强,吴道祥,刘洋.凤凰山滑坡成因机制及稳定性分析[J].岩土工程学报,2002,25(5):645—648.
孙玉科,古讯.赤平极射投影在岩体工程地质力学中的作用[M].北京:科学出版社,1980.58—69.
孔德坊.工程岩土学[M].北京:地质出版社,1992.
池秀文,秦莹,夏元友.崩塌体稳定性计算及防治方法研究[J].岩石力学与工程学报,2005,8(1):2 231—2 236.
徐卫亚.边坡及滑坡环境岩石力学与工程研究[M].北京:中国环境科学出版社,2005.
高孟潭.中国地震动参数区划图[M].北京:中国标准出版社,2001.
Chow Y K.Analysis of piles used for slopestabilization[J].International Journal for Numericaland Analytical Methods in Geomechanics,1996,20(9):635—646.
Chen C Y,Martin G R.Soil-structure interactionfor landslide stabilizing piles[J].Computers andGeotechnics,2002,29(5):363—386.
Dunean J M.State of the art:Limit equilibrium andfinite element analysis of slope[J].Journal ofGeotechnicalEngineering,1996,22(7):577—596.
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