埋入式抗滑桩振动台模型试验分析
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摘要
近几年,埋入式抗滑桩由于其自身的特点而在边坡支护中得到广泛应用,成为边坡支护的一种主要支护方式。静力情况下,埋入式抗滑桩的研究已经较为成熟,动力作用下的研究目前还较少。设计完成了边坡振动台大型模型试验,通过输入不同类型、幅值、频率的地震波和白噪声激励,探讨地震作用下埋入式抗滑桩模型边坡的动力特性与振动响应规律以及地震动参数对动力特性和动力响应的影响。然后对此模型进行了数值模拟,得出了一些有意义的结论,能够更好地指导边坡抗震设计,有广泛的应用前景。
In recent years,due to its own characteristics in the slope support,the embedded anti-slide pile has been widely applied,and it has become the main way of the slope support.In the static case,the research of the embedded anti-slide pile has already been relatively mature,but the research in dynamic action is still less.The design of shaking table model tests on a slope is completed by inputting different types,frequencies,amplitudes of seismic waves and white noise excitation.The dynamic characteristics and regularity of dynamic response of embedded anti slide pile under the action of earthquake are discussed.The influence of the motion parameters on the dynamic characteristics and responses is investigated.And then this model is simulated,and some meaningful conclusions are drawn to better guide slope seismic design.The embedded anti-slide pile has a wide range of application prospect.
In recent years,due to its own characteristics in the slope support,the embedded anti-slide pile has been widely applied,and it has become the main way of the slope support.In the static case,the research of the embedded anti-slide pile has already been relatively mature,but the research in dynamic action is still less.The design of shaking table model tests on a slope is completed by inputting different types,frequencies,amplitudes of seismic waves and white noise excitation.The dynamic characteristics and regularity of dynamic response of embedded anti slide pile under the action of earthquake are discussed.The influence of the motion parameters on the dynamic characteristics and responses is investigated.And then this model is simulated,and some meaningful conclusions are drawn to better guide slope seismic design.The embedded anti-slide pile has a wide range of application prospect.
引文
[1]梁斌.埋入式抗滑桩的研究与现场监测[D].重庆:后勤工程学院,2008.(LIANG Bin.The research and fieldmonitoring of embedded piles[D].Chongqing:LogisticalEngineering University,2008.(in Chinese))
[2]雷文杰.沉埋桩加固滑坡体的有限元设计方法与大型物理模型试验研究[D].北京:中国科学院研究生院,2006.(LEIWen-jie.Study on design method of deeply buried pilesstabilizing slides and large scaled model tests[D].Beijing:Graduate University of Chinese Academy of Sciences,2006.(in Chinese))
[3]雷文杰,郑颖人,冯夏庭.滑坡加固系统中沉埋桩的有限元极限分析研究[J].岩石力学与工程学报,2006,25(1):27-33.(LEI Wen-jie,ZHENG Ying-ren,FENG Xia-ting.Limit analysis of slope stabilized by deeply buried piles withfinite element method[J].Chinese Journal of Rock Mechanicsand Engineering,2006,25(7):27-33.(in Chinese))
[4]雷用.滑坡治理中抗滑短桩受力特性研究[D].重庆:后勤工程学院,2007.(LEI Yong.Research on loadingcharacters of anti-slide pile during slope treatment[D].Chongqing:Logistical Engineering University,2007.(in Chinese))
[5]宋雅坤,郑颖人,雷文杰.沉埋式抗滑桩机理模型试验数值分析研究[J].岩土力学,2007,26(5):103-107.(SONGYa-kun,ZHENG Ying-ren,LEI Wen-jie.Analysis of theexperimental mechanism of deeply buried anti-slide pile byFEM[J].Rock and Soil Mechanics,2007,26(5):103-107.(in Chinese))
[6]陈亮.地基系数优化法确定埋入式抗滑桩嵌固深度[J].山西建筑,2010,36(23):149-150.(CHEN Liang.On thedetermination of the embedded anti-slide pile depth throughfoundation coefficient optimization method[J].ShanxiArchitecture,2010,36(23):149-150.(in Chinese))
[7]吴汉辉.埋入式抗滑桩模型试验及其工作机理研究[D].重庆:重庆大学,2004.(WU Han-hui.Study on tests of sunkenpiles and their mechanism[D].Chongqing:ChongqingUniversity,2004.(in Chinese))
[8]廖中原.埋入式抗滑桩实用设计方法研究[D].重庆:重庆大学,2006.(LIAO Zhong-yuan.Study on practical designmethod of sunken anti-slide pile[D].Chongqing:ChongqingUniversity,2006.(in Chinese))
[9]廖中原.埋入式抗滑桩悬臂段简化设计方法研究[J].地下空间与工程学报,2007,3(5):978-981.(LIAO Zhong-yuan.Study on simple design method of sunken anti-slide pile’scantilever[J].Chinese Journal of Underground Space andEngineering,2007,3(5):978-981.(in Chinese))
[10]李俊飞.双排埋入式抗滑桩工作机理分析与研究[D].重庆:重庆大学,2009.(LI Jun-fei.Study on double-rowsunken anti-slide piles and their mechanism[D].Chongqing:Chongqing University,2009.(in Chinese))
[11]肖世国,周培德,宋从军.岩石高边坡工程中埋入式抗滑桩的应用[J].岩土工程学报,2003,25(5):638-641.(XIAO Shi-guo,ZHOU Pei-de,SONG Cong-jun.Applicationof embedded anti-slide pile in high rock slope projects[J].Chinese Journal of Geotechnical Engineering,2003,25(5):638-641.(in Chinese))
[12]宋从军,周培德,肖世国.岩石高边坡埋入式抗滑桩的内力计算[J].岩石力学与工程学报,2005,24(1):105-109.(SONG Cong-jun,ZHOU Pei-de,XIAO Shi-guo.Calculationof internal force of embedded anti-slide pile in high rockslope[J].Chinese Journal of Rock Mechanics andEngineering,2005,24(1):105-109.(in Chinese))
[13]李果.埋入式双排抗滑桩加固大型顺层滑坡体设计计算[D].成都:西南交通大学,2007.(LI Guo.Design andcalculation towards strengthening large-scale beddinglandslide by embedded double-row[D].Chengdu:SouthwestJiaotong University,2007.(in Chinese))
[14]李海波,肖克强,刘亚群.地震荷载作用下顺层岩质边坡安全系数分析[J].岩石力学与工程学报,2007,26(12):2385-2394.(LI Hai-bo,XIAO Ke-qiang,LIU Ya-qun.Factor of safety analysis of bedding rock slope under seismicload[J].Chinese Journal of Rock Mechanics and Engineering,2007,26(12):2385-2394.(in Chinese))
[15]戴妙林,李同春.基于降强法数值计算的复杂岩质边坡动力稳定性安全评价[J].岩石力学与工程学报,2007,26(增刊1):2749-2754.(DAI Miao-lin,LI Tong-chun.Analysisof dynamic stability safety evaluation for complex rockslopes by rtrength reduction numerical method[J].ChineseJournal of Rock Mechanics and Engineering,2007,26(S1):2749-2754.(in Chinese))
[16]祁生文,伍法权,严福章,等.岩质边坡动力反应分析[M].北京:科学出版社,2007.(QI Sheng-wen,WU Fa-quan,YAN Fu-zhang,et al.Rock slope dynamic responseanalysis[M].Beijing:Science Press,2007.(in Chinese))
[17]许江波,郑颖人,叶海林,等.埋入式抗滑桩支护地震边坡研究[J].地下空间与工程学报,2011,7(4):781-788.(XU Jiang-bo,ZHENG Ying-ren,YE Hai-lin,et al.Researchof embedded anti-slide pile supporting slope duringearthquake[J].Chinese Journal of Underground Space andEngineering,2011,7(4):781-788.(in Chinese))
[18]郑颖人,叶海林,黄润秋.地震边坡破坏机制及其破裂面的分析探讨[J].岩石力学与工程学报,2009,28(8):1714-1723.(ZHENG Ying-ren,YE Hai-lin,HUANG Run-qiu.Discussion and analysis on falure mechanism and fracturesurface of slope under earthquake effect[J].Chinese Journalof Rock Mechanics and Engineering,2009,28(8):1714-1723.(in Chinese))
[2]雷文杰.沉埋桩加固滑坡体的有限元设计方法与大型物理模型试验研究[D].北京:中国科学院研究生院,2006.(LEIWen-jie.Study on design method of deeply buried pilesstabilizing slides and large scaled model tests[D].Beijing:Graduate University of Chinese Academy of Sciences,2006.(in Chinese))
[3]雷文杰,郑颖人,冯夏庭.滑坡加固系统中沉埋桩的有限元极限分析研究[J].岩石力学与工程学报,2006,25(1):27-33.(LEI Wen-jie,ZHENG Ying-ren,FENG Xia-ting.Limit analysis of slope stabilized by deeply buried piles withfinite element method[J].Chinese Journal of Rock Mechanicsand Engineering,2006,25(7):27-33.(in Chinese))
[4]雷用.滑坡治理中抗滑短桩受力特性研究[D].重庆:后勤工程学院,2007.(LEI Yong.Research on loadingcharacters of anti-slide pile during slope treatment[D].Chongqing:Logistical Engineering University,2007.(in Chinese))
[5]宋雅坤,郑颖人,雷文杰.沉埋式抗滑桩机理模型试验数值分析研究[J].岩土力学,2007,26(5):103-107.(SONGYa-kun,ZHENG Ying-ren,LEI Wen-jie.Analysis of theexperimental mechanism of deeply buried anti-slide pile byFEM[J].Rock and Soil Mechanics,2007,26(5):103-107.(in Chinese))
[6]陈亮.地基系数优化法确定埋入式抗滑桩嵌固深度[J].山西建筑,2010,36(23):149-150.(CHEN Liang.On thedetermination of the embedded anti-slide pile depth throughfoundation coefficient optimization method[J].ShanxiArchitecture,2010,36(23):149-150.(in Chinese))
[7]吴汉辉.埋入式抗滑桩模型试验及其工作机理研究[D].重庆:重庆大学,2004.(WU Han-hui.Study on tests of sunkenpiles and their mechanism[D].Chongqing:ChongqingUniversity,2004.(in Chinese))
[8]廖中原.埋入式抗滑桩实用设计方法研究[D].重庆:重庆大学,2006.(LIAO Zhong-yuan.Study on practical designmethod of sunken anti-slide pile[D].Chongqing:ChongqingUniversity,2006.(in Chinese))
[9]廖中原.埋入式抗滑桩悬臂段简化设计方法研究[J].地下空间与工程学报,2007,3(5):978-981.(LIAO Zhong-yuan.Study on simple design method of sunken anti-slide pile’scantilever[J].Chinese Journal of Underground Space andEngineering,2007,3(5):978-981.(in Chinese))
[10]李俊飞.双排埋入式抗滑桩工作机理分析与研究[D].重庆:重庆大学,2009.(LI Jun-fei.Study on double-rowsunken anti-slide piles and their mechanism[D].Chongqing:Chongqing University,2009.(in Chinese))
[11]肖世国,周培德,宋从军.岩石高边坡工程中埋入式抗滑桩的应用[J].岩土工程学报,2003,25(5):638-641.(XIAO Shi-guo,ZHOU Pei-de,SONG Cong-jun.Applicationof embedded anti-slide pile in high rock slope projects[J].Chinese Journal of Geotechnical Engineering,2003,25(5):638-641.(in Chinese))
[12]宋从军,周培德,肖世国.岩石高边坡埋入式抗滑桩的内力计算[J].岩石力学与工程学报,2005,24(1):105-109.(SONG Cong-jun,ZHOU Pei-de,XIAO Shi-guo.Calculationof internal force of embedded anti-slide pile in high rockslope[J].Chinese Journal of Rock Mechanics andEngineering,2005,24(1):105-109.(in Chinese))
[13]李果.埋入式双排抗滑桩加固大型顺层滑坡体设计计算[D].成都:西南交通大学,2007.(LI Guo.Design andcalculation towards strengthening large-scale beddinglandslide by embedded double-row[D].Chengdu:SouthwestJiaotong University,2007.(in Chinese))
[14]李海波,肖克强,刘亚群.地震荷载作用下顺层岩质边坡安全系数分析[J].岩石力学与工程学报,2007,26(12):2385-2394.(LI Hai-bo,XIAO Ke-qiang,LIU Ya-qun.Factor of safety analysis of bedding rock slope under seismicload[J].Chinese Journal of Rock Mechanics and Engineering,2007,26(12):2385-2394.(in Chinese))
[15]戴妙林,李同春.基于降强法数值计算的复杂岩质边坡动力稳定性安全评价[J].岩石力学与工程学报,2007,26(增刊1):2749-2754.(DAI Miao-lin,LI Tong-chun.Analysisof dynamic stability safety evaluation for complex rockslopes by rtrength reduction numerical method[J].ChineseJournal of Rock Mechanics and Engineering,2007,26(S1):2749-2754.(in Chinese))
[16]祁生文,伍法权,严福章,等.岩质边坡动力反应分析[M].北京:科学出版社,2007.(QI Sheng-wen,WU Fa-quan,YAN Fu-zhang,et al.Rock slope dynamic responseanalysis[M].Beijing:Science Press,2007.(in Chinese))
[17]许江波,郑颖人,叶海林,等.埋入式抗滑桩支护地震边坡研究[J].地下空间与工程学报,2011,7(4):781-788.(XU Jiang-bo,ZHENG Ying-ren,YE Hai-lin,et al.Researchof embedded anti-slide pile supporting slope duringearthquake[J].Chinese Journal of Underground Space andEngineering,2011,7(4):781-788.(in Chinese))
[18]郑颖人,叶海林,黄润秋.地震边坡破坏机制及其破裂面的分析探讨[J].岩石力学与工程学报,2009,28(8):1714-1723.(ZHENG Ying-ren,YE Hai-lin,HUANG Run-qiu.Discussion and analysis on falure mechanism and fracturesurface of slope under earthquake effect[J].Chinese Journalof Rock Mechanics and Engineering,2009,28(8):1714-1723.(in Chinese))
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