Abstract: At?present?anti-slide?piles?have?been?widely?used?in?slope?of?reservoir?banks,?such?as?the?governanace?of?slopes?in?Three?Gorges?Reservoir?area.?Since?most?anti-slide?piles?are?established?during?the?dry?season?when?the?water?level?is?low,?the?piles?would?hinder?the?flow?of?underground?water?when?the?water?level?changes,?which?causes?influence?on?the?safety?evaluation?of?the?governance.?From?the?quantitative?analysis?given,?the?method?ignoring?the?permeability?of?piles?would?underestimate?the?safety?of?governance,?make?the?design?conservative?and?cause?some?waste.?At?the?same?time,?the?top?of?embedded?anti-slide?piles?is?soil,?which?comparatively?increases?the?permeability?of?the?section.?Therefore,?embedded?anti-slide?piles?are?more?economical?and?reasonable?if?the?safety?of?governance?can?be?ensured.

Key words: anti-slide pile , slope of reservoir bank , stability analysis , permeability , governance effect ;

摘要： 目前抗滑桩己被广泛地应用于水库岸坡,如三峡库区内的岸坡的治理工程中。但是由于实际工程中抗滑桩 大都是在枯水季节,低水位时施工成桩的,因此在库水从高水位到低水位变化的过程中,桩体无形中对坡体内地下 水的流动形成了阻渗作用,这必定对治理工程的安全性评价产生影响。文中通过定量分析可以看出,目前不考虑 桩体渗透性的计算方法将低估抗滑桩治理工程的安全性,使设计偏于保守,造成一定的浪费。同时,埋入式抗滑桩 由于其桩顶部分是土体,相对的增大了抗滑桩所处断面处的渗透性,因此在保证治理工程安全性的前提下,采用埋 入式抗滑桩将更为经济、合理。

关键词: 抗滑桩, 水库岸坡, 稳定性分析, 渗透性, 治理工程