第10期 姜春林等：复活古滑坡治理及微型抗滑桩承载机理 .979 导出单位桩体长度上的压力，结合岩土体物理力学 位论文]，北京：北京科技大学，2003 性质及微型抗滑桩结构参数，可进行微型抗滑桩布 [4]Ito T.Design method for the stability piles against landslide:One 置间距的计算. row of piles-Soil Foundation.1981,21(1):21 [5]Ito T.Extended design method for multi-row stabilizing piles a- (4)模拟计算表明：抗滑桩的最大轴向力出现 gainst landslide.Soil Foundation.1982,22(1):1 在桩体中间位置，而最大剪应力则位于抗滑桩高度 [6]沈珠江，桩的抗滑阻力和抗滑桩的极限设计·岩土工程学报， 的1/3~2/5处，表明该点为抗滑桩的易损点，因 1992,14(1):51 此，根据工程对象的实际情况，在设计中应给予充分 [7]施岚清，国振喜，孙培生·混凝土结构设计手册.2版.北京： 冶金工业出版社，1999：879 考虑 [8]高永涛，张友葩，吴顺川，土质边坡抗滑桩机理分析。北京科 参考文献 技大学学报，2003,25(2)：117 [9]FLAC2D Theory and Background.Itasca Consulting Group. [1]李仁平，陈仁朋，陈云敏.阻滑桩加固土坡的极限设计方法 2000.55 浙江大学学报，2001,35(6)：618 [10]FLAC-Constitute Model Theory and Implementation.Itasca [2]戴自航·抗滑桩滑坡推力和桩前滑体抗力分布规律的研究 Consulting Group.2000:46 岩石力学与工程学报，2002,21(4)：517 [3]张友葩.动载下坡间挡土培失稳机理及加固技术应用研究[学 Reinforcement of a revivatory ancient landslide and mechanism of mini type anti- sliding piles JIA NG Chunlin,WU Shunchuan,WU Chengxia,JIN Aibing,ZHANG Youpa Civil and Environmental Engineering School,University of Science and Technology Beijing,Beijing 100083.China ABSTRACI Based on the analysis and numerical simulation of ancient landslide revivification,an effective re- inforcement measure of micro anti-slide piles combined with pressure grouting,unloading soil and pressing the slope toe was adopted to ensure the road and the cutting slope against slippery.With a practical example,the mechanical analysis and numerical simulation of a micro anti-slide piles are carried out and the result shows that the maximum axial force takes place in the middle and the maximum shear stress is in the 1/3-2/5 height of the pile. KEY WORDS ancient landslide revivification;mini type anti-sliding pile;stability;numerical analysis导出单位桩体长度上的压力‚结合岩土体物理力学 性质及微型抗滑桩结构参数‚可进行微型抗滑桩布 置间距的计算． （4） 模拟计算表明：抗滑桩的最大轴向力出现 在桩体中间位置‚而最大剪应力则位于抗滑桩高度 的1／3～2／5处‚表明该点为抗滑桩的易损点．因 此‚根据工程对象的实际情况‚在设计中应给予充分 考虑． 参 考 文 献 ［1］ 李仁平‚陈仁朋‚陈云敏．阻滑桩加固土坡的极限设计方法． 浙江大学学报‚2001‚35（6）：618 ［2］ 戴自航．抗滑桩滑坡推力和桩前滑体抗力分布规律的研究． 岩石力学与工程学报‚2002‚21（4）：517 ［3］ 张友葩．动载下坡间挡土墙失稳机理及加固技术应用研究［学 位论文］．北京：北京科技大学‚2003 ［4］ Ito T．Design method for the stability piles against landslide：One row of piles．Soil Foundation‚1981‚21（1）：21 ［5］ Ito T．Extended design method for multi—row stabilizing piles a￾gainst landslide．Soil Foundation‚1982‚22（1）：1 ［6］ 沈珠江．桩的抗滑阻力和抗滑桩的极限设计．岩土工程学报‚ 1992‚14（1）：51 ［7］ 施岚清‚国振喜‚孙培生．混凝土结构设计手册．2版．北京： 冶金工业出版社‚1999：879 ［8］ 高永涛‚张友葩‚吴顺川．土质边坡抗滑桩机理分析．北京科 技大学学报‚2003‚25（2）：117 ［9］ FLAC2D Theory and Background．Itasca Consulting Group‚ 2000：55 ［10］ FLAC-Constitute Model Theory and Implementation．Itasca Consulting Group‚2000：46 Reinforcement of a revivatory ancient landslide and mechanism of min-i type ant-i sliding piles JIA NG Chunlin‚W U Shunchuan‚W U Chengxia‚JIN A ibing‚ZHA NG Youpa Civil and Environmental Engineering School‚University of Science and Technology Beijing‚Beijing100083‚China ABSTRACT Based on the analysis and numerical simulation of ancient landslide revivification‚an effective re￾inforcement measure of micro ant-i slide piles combined with pressure grouting‚unloading soil and pressing the slope toe was adopted to ensure the road and the cutting slope against slippery．With a practical example‚the mechanical analysis and numerical simulation of a micro ant-i slide piles are carried out and the result shows that the maximum axial force takes place in the middle and the maximum shear stress is in the1／3—2／5height of the pile． KEY WORDS ancient landslide revivification；min-i type ant-i sliding pile；stability；numerical analysis 第10期 姜春林等： 复活古滑坡治理及微型抗滑桩承载机理 ·979·