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桩底约束条件对弧形排桩-连系梁内力影响研究

DOI: 10.3969/j.issn.1674-0696.2015.04.15, PP. 82-87

Keywords: 岩土工程,抗滑结构,弧形排桩,弧形连系梁,桩底约束,内力分布,geotechnicalengineering,anti-slidestructure,arcrowpiles,arccouplingbeam,constraintofpilebottom,internalforcedistribution

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Abstract:

:?弧形排桩-连系梁抗滑结构为多次超静定结构,将桩顶弧形连系梁计算模型简化为无铰拱,视抗滑桩与弧形连系梁之间的约束力为冗力,利用桩顶与弧形连系梁之间的变形协调条件,建立了抗滑结构的整体柔度方程;在桩底自由、铰支及固定等3种不同桩底约束条件下,分别求解桩梁之间的约束冗力,比较了3种桩底约束条件下弧形连系梁的内力,及抗滑桩的内力和位移。研究表明:桩底固定时,桩底部弯矩较大;桩底自由时,弯矩明显减小,桩身位移增加;在桩顶连系梁的约束下,减小桩身锚固段长度,能够减小桩身底部弯矩的影响规律。

References

[1]  [1] 罗伟,李亮,赵炼恒,等.临河岩石边坡抗滑稳定性分析[J].公路交通科技,2013,30(8):23-28,42.
[2]  Luo Wei,Li Liang,Zhao Lianheng,et al.Study on anti-slide stability of rock slope along river[J].Journal of Highway and Transportation Research and Development,2013,30(8):23-28,42.
[3]  [2] 王恭先.滑坡防治中的关键技术及其处理方法[J].岩石力学与工程学报,2005,24 (21):20-29.
[4]  Wang Gongxian.Key technique in landslide control and its handling measures[J].Chinese Journal of Rock Mechanics and Engineering,2005,24 (21):20-29.
[5]  [3] 贺建清,张家生,梅松华.弹性抗滑桩设计中几个问题的探讨[J].岩石力学与工程学报,1999,18(5):600-602.
[6]  He Jianqing,Zhang Jiansheng,Mei Songhua.Inquiring into some questions in anti-slide pile[J].Chinese Journal of Rock Mechanics and Engineering,1999,18(5):600-602.
[7]  [4] Hassiotis S,Chameau J,Gunaratne M.Design method for stabilization of slopes with piles[J].Journal of Geotechnical and Geoenvironmental
[8]  Engineering,1997,123(4): 314-323.
[9]  [9] Kourkoulis R,Gelagoti F,Anastasopoulos I,et al.Slope stabilizing piles and pile-groups: Parametric study and design insights[J].Journal of Geotechnical and Geoenvironmental Engineering,2011,137(7): 663-677.
[10]  [10]曾庆义,刘明成.支护桩圈梁的作用机理与计算分析[J].岩土力学,1995,16(2):74-82.
[11]  Zeng Qingyi,Liu Mingcheng.Mechanism and calculating analysis for ring beam of soldier piles [J].Rock and Soil Mechanics,1995,16(2): 74-82.
[12]  [11]高印立,徐建新,陈环.排桩与圈梁协同作用下考虑开挖过程的挠曲方程法[J].土木工程学报,2001,34(1):67-72.
[13]  [13]张志伟,邓荣贵.弧形间隔排桩-桩顶拱梁空间抗滑结构理论研究[J].岩土力学,2013,34(12):3403-3409,3430.
[14]  [5] Poulos H G.Design of reinforcing piles to increase slope stability [J].Canadian Geotechnical Journal,1995,32(5): 808-818.
[15]  [6] Long M.Database for retaining wall and ground movements due to deep excavations [J].Journal of Geotechnical and Geoenvironmental Engineering,2001,127(3): 203-224.
[16]  [7] Ashour M,Ardalan H.Analysis of pile stabilized slopes based on soil-pile interaction[J].Computers and Geotechnics,2012,39: 85-97.
[17]  [8] Ito T,Matsui T,Hong W P.Extended design method for multi-row stabilizing piles against landslide [J].Soils and Foundations,1982,22(1): 1-13.
[18]  Gao Yinli,Xu Jianxin,Chen Huan.A flexing equation method considering the cooperative action between row of piles and ring beam during excavation procedure [J].China Civil Engineering Journal,2001,34(1):67-72.
[19]  [12]Fenelli G B,Pagano L.Computing top-beam effects in retaining walls[J].Journal of Geotechnical and Geoenvironmental Engineering,1999,125(8): 665-672.
[20]  Zhang Zhiwei,Deng Ronggui.Theoretical study on spatial anti-slide structure of arc interval row piles with coupling beam on the pile top[J].Rock and Soil Mechanics,2013,34(12): 3403-3409,3430.

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