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考虑陡坡效应的横向受荷桩受力分析纽玛克解答

, PP. 58-64

Keywords: 桥梁工程,横向受荷桩,Winkler地基模型,纽玛克法,陡坡效应

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Abstract:

首先,分析了陡坡效应的形成机理以及陡坡段横向受荷桩的受力特性。其次,基于Winkler弹性地基梁理论,通过对桩周横向荷载及岩土体抗力的合理简化,建立了考虑陡坡效应的横向受荷桩简化受力模型。然后,将桩身划分为若干段,将桩周荷载及岩土体抗力等效为节点荷载,分别积分计算出各节点的弹簧刚度系数,进而利用纽玛克数值计算方法进行递推运算得到桩身内力与位移。最后,以某实际工程为例进行对比分析发现桩身最大弯矩及水平位移最大误差均不足5%,验证了纽玛克数值计算方法及程序是合理可行的,且考虑陡坡效应后的计算结果偏大,对工程安全性有利。

References

[1]  赵明华. 桥梁桩基计算与检测
[2]  [M]. 北京: 人民交通出版社, 2000. ZHAO Ming-hua. Calculation and Detection for Pile Foundations of Bridges
[3]  [M]. Beijing: China Commun-ications Press, 2000.
[4]  赵明华, 汪优, 黄靓. 水平受荷桩的非线性无网格法分析
[5]  [J]. 岩土工程学报, 2007, 29(6): 907-912. ZHAO Ming-hua, WANG You, HUANG Liang. Nonlinear Analysis of Meshless Method for Piles under Horizontal Load
[6]  [J]. Chinese Journal of Geotechnical Engineering, 2007, 29(6): 907-912.
[7]  张磊, 龚晓南, 俞建霖. 大变形条件下单桩水平承载性状分析
[8]  [J]. 土木建筑与环境工程, 2013, 35(2):61-65. ZHANG Lei, GONG Xiao-nan, YU Jian-lin. Behavior Analysis of Lataerlly Loaded Single Pile under Large Deflection
[9]  [J]. Journal of Civil, Architectural & Environmental Engineering, 2013,35(2):61-65.
[10]  PISE P J. Laterally Loaded Piles in a Two-layer Soil System
[11]  [J]. Journal of the Geotechnical Engineering Division, 1982, 108(9): 1177-1181.
[12]  YANG Z, JEREMIC B. Study of Soil Layering Effects on Lateral Loading Behavior of Piles
[13]  [J]. Journal of Geotechnical and Geoenvironmental Engineering, 2005, 131(6): 762-770.
[14]  苏静波, 邵国建, 刘宁. 基于p-y曲线法的水平受荷桩非线性有限元分析
[15]  [J]. 岩土力学, 2006, 27(10): 1781-1785. SU Jing-bo, SHAO Guo-jian, LIU Ning. Nonlinear Finite Element Analysis of Piles under Lateral Load Based on p-y Curves
[16]  [J]. Rock and Soil Mechanics, 2006, 27(10): 1781-1785.
[17]  吴峰, 时蓓玲. 基于NL法的水平受荷桩非线性有限元分析
[18]  [J]. 水运工程, 2007(12): 9-12. WU Feng, SHI Bei-ling. Nonlinear Finite Element Analysis of Piles under Lateral Load Based on NL Method
[19]  [J]. Port & Waterway Engineering, 2007(12): 9-12.
[20]  史文清, 王建华, 陈锦剑. 考虑桩土接触面特性的水平受荷单桩数值分析
[21]  [J]. 上海交通大学学报, 2006, 40(8):1457-1461. SHI Wen-qing, WANG Jian-hua, CHEN Jin-jian. Numerical Analysis of the Laterally Loaded Pile Considering the Unlinear Characteristic of Pile-soil Interface
[22]  [J]. Journal of Shanghai Jiaotong University, 2006, 40(8): 1457-1461.
[23]  戴自航, 彭振斌. 抗滑桩全桩内力计算 "m-k"法的有限差分法
[24]  [J]. 岩土力学, 2002, 23(3):321-325. DAI Zi-hang , PEN Zhen-bin. Finite Difference Method Based on "m-k" Method for Calculation of Internal Forces of a Whole Stabilizing Pile
[25]  [J]. Rock and Soil Mechanics, 2002, 23 (3):321-325.
[26]  杨佑发. 弹性抗滑桩内力计算的有限差分"m-k"法
[27]  [J]. 重庆建筑大学学报, 2002, 24(1): 13-18. YANG You-fa. Finite Difference "m-k" Method of Calculation of Anchor-stabilizing Piles
[28]  [J]. Journal of Chongqing Jianzhu University, 2002, 24(1): 13-18.
[29]  郑颖人, 雷文杰, 赵尚毅, 等. 抗滑桩设计中的两个问题
[30]  [J]. 公路交通科技, 2005, 22(6): 45-51. ZHENG Ying-ren, LEI Wen-jie, ZHAO Shang-yi, et al. Two Problems in Design Methods of Anti-slide Piles
[31]  [J]. Journal of Highway and Transportation Research and Development, 2005, 22(6):45-51.
[32]  申永江, 孙红月, 尚岳全, 等. 基于测斜数据的抗滑桩工作状态评价
[33]  [J]. 岩石力学与工程学报, 2009, 28(2):3591-3596. SHEN Yong-jiang, SUN Hong-yue, SHANG Yue-quan, et al. Evaluation of State of Anti-slide Piles Based on Inclinometer Data
[34]  [J]. Chinese Journal of Rock Mechanics and Engineering, 2009, 28(2):3591-3596.
[35]  宋从军, 周德培, 肖世国. 岩石高边坡埋入式抗滑桩的内力计算
[36]  [J]. 岩石力学与工程学报, 2005, 24(1):105-109. SONG Cong-jun, ZHOU De-pei, XIAO Shi-guo. Calculation of internal Force of Embedded Anti-slide Pile in High Rock Slope
[37]  [J]. Chinese Journal of Rock Mechanics and Engineering, 2005, 24(1):105-109.
[38]  杨明辉. 岩质陡坡桥梁桩基承载机理及其分析方法研究
[39]  [D].长沙: 湖南大学, 2006. YANG Ming-hui. Load Mechanics and Analysis Method for Rock Steep Slope Bridge Piles
[40]  [D]. Changsha: Hunan University, 2006.
[41]  戴自航. 抗滑桩滑坡推力和桩前滑体抗力分布规律的研究
[42]  [J].岩石力学与工程学报, 2002, 21(4): 517-521. DAI Zi-hang. Study on Distribution Laws of Landslide-Thrust and Resistance of Sliding Mass Acting on Antislide Piles
[43]  [J]. Chinese Journal of Rock Mechanics and Engineering, 2002, 21(4): 517-521.
[44]  赵明华, 邹新军, 罗松南, 等. 横向受荷桩桩侧土体位移应力分布弹性解
[45]  [J]. 岩土工程学报, 2004, 26(6): 767-771. ZHAO Ming-hua, ZOU Xin-jun, LUO Song-nan, et al. Elastic Analytic Solution to the Displacement and Stress Distribution in the Soil around Laterally Loaded Piles
[46]  [J]. Chinese Journal of Geotechnical Engineering, 2004, 26(6): 767-771.
[47]  ZHAO Ming-hua, LIU Jian-hua, LIU Dai-quan, et al. Force Analysis of Pile Foundation in Rock Slope Based on Upper-bound Theorem of Limit
[48]  [J]. Journal of Central South University of Technology, 2008, 15(3): 404-410.

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