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深基坑土钉加预应力锚杆支护结构设计参数的灵敏度分析

周勇, 张磊

周勇, 张磊. 深基坑土钉加预应力锚杆支护结构设计参数的灵敏度分析[J]. 岩土工程学报, 2014, 36(zk2): 106-112. DOI: 10.11779/CJGE2014S2018
引用本文: 周勇, 张磊. 深基坑土钉加预应力锚杆支护结构设计参数的灵敏度分析[J]. 岩土工程学报, 2014, 36(zk2): 106-112. DOI: 10.11779/CJGE2014S2018
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ZHOU Yong, ZHANG Lei. Sensitivity analysis of design parameters of soil-nailing and prestressed anchor structure for deep excavations[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(zk2): 106-112. DOI: 10.11779/CJGE2014S2018
Citation: ZHOU Yong, ZHANG Lei. Sensitivity analysis of design parameters of soil-nailing and prestressed anchor structure for deep excavations[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(zk2): 106-112. DOI: 10.11779/CJGE2014S2018
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深基坑土钉加预应力锚杆支护结构设计参数的灵敏度分析  English Version

  • 1. 兰州理工大学甘肃省土木工程防灾减灾重点实验室,甘肃 兰州 730050;
    2. 西部土木工程防灾减灾教育部工程研究中心,甘肃 兰州 730050

基金项目: 国家科技支撑计划项目（2011BAK12B07）; 甘肃省自然科学基金项目（1208RJZA158）; 兰州理工大学红柳青年教师培养计划项目（Q201108）; 甘肃省高等学校基本科研业务费项目
详细信息
    作者简介:

    周 勇(1978- ),男,湖北宣恩人,博士,教授,主要从事深基坑开挖支护与边坡加固方面的教学和研究工作。E-mail: gsutzhouy@163.com。

Sensitivity analysis of design parameters of soil-nailing and prestressed anchor structure for deep excavations

  • 1. Key Laboratory of Disaster Prevention and Mitigation in Civil Engineering of Gansu Province, Lanzhou University of Technology, Lanzhou 730050, China;
    2. Western Engineering Research Center of Disaster Mitigation in Civil Engineering of Ministry of Education, Lanzhou University of Technology, Lanzhou 730050, China

摘要

    摘要
  • 摘要: 目前深基坑支护设计中,在土质和基坑周围环境允许的条件下,采用土钉加预应力锚杆复合土钉支护形式,与桩锚支护形式相比造价相对较低且施工速度快,所以在工程实践当中得到了广泛的应用,但土钉与预应力锚杆之间的作用机理相当复杂,在目前设计中往往靠经验设计,计算结果偏保守。基于圆弧滑动条分法,以内部整体稳定性安全系数作为目标函数并采用全局差分法建立灵敏度分析模型,研究设计参数与内部整体稳定系数及其灵敏度之间的关系,为深基坑工程中土钉加预应力锚杆复合土钉支护结构的优化设计提供重要的依据,对今后土钉加预应力锚杆复合土钉支护设计提供理论依据。
    Abstract: At present, in the design of deep excavations, with the surrounding soils and conditions permitted, the compound soil-nailing wall supporting form of soil-nailing and prestressed anchor is adopted, which has the advantages of low price and rapid speed for construction, compared to the pile anchor supporting form, so it is widely used in the engineering practice. However, the calculated results of the existing projects empirically designed are relatively conservative owing to the complicated mechanism of action between soil nailing and prestressed anchor. The safety factor of internal global stability is adopted as the objective function, and the global finite-difference method is empbyed to establish the model of sensitivity analysis based on the circular ship slice method. This work will provide important and optimal design basis and even some theoretical basis for the compound soil-nailing wall supporting structure of soil-nailing and prestressed anchor in deep excavation projects.
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    • 参考文献(13)
  • [1] 董 诚, 郑颖人, 陈新颖, 等. 深基坑土钉和预应力锚杆复合支护方式的探讨[J]. 岩土力学, 2009, 30(12): 3793-3796. (DONG Cheng, ZHENG Ying-ren, CHEN Xin-ying, et al. Research on composite support pattern of soil nails and prestressed anchors in deep foundation pits[J]. Chinese Journal of rock and soil mechanics, 2009, 30(12): 3793-3796. (in Chinese))
    [2] 王 苑. 预应力锚杆复合土钉支护结构工作性状试验研究[D]. 长沙: 中南大学, 2012.(WANG Yuan. Test study on working properties of prestressed Anchor Composite Soil Nailing Structure work[D]. Changsha: Central South University, 2012. (in Chinese))
    [3] 陈忠汉, 黄书秩, 程丽萍. 深基坑工程[M]. 2版. 北京: 机械工业出版社, 2003. (CHEN Zhong-han, HUANG Shu-zhi, CHEN Li-ping. Deep excavation engineering[M]. 2nd ed. Beijing: Mechanical Industry Press, 2003. (in Chinese))
    [4] 李广信. 岩土工程50讲[M]. 北京: 人民交通出版社,2010. (LI Guang-xin. Geotechnical speak 50[M]. Beijing: People’s Communications Press, 2010. (in Chinese))
    [5] JGJ120—2012建筑基坑支护技术规程[S]. 2012. (JGJ120—2012 Technical specification for retaining and protection of building foundation excavations[S]. 2012. (in Chinese))
    [6] 付文光, 杨志银, 刘俊岩, 等. 复合土钉墙的若干理论问题,兼论《复合土钉墙基坑支护技术规范》[J]. 岩石力学与工程学报, 2012, 31(11): 2291-2305. (FU Wen-guang, YANG Zhi-yin, LIU Jun-yan, et al. Some theoretical questions of composite soil nailing wall and discussion on technical code for composite soil nailing wall in retaining and protection of excavation[J]. Chinese Journal of Rock Mechanics and Engineering, 2012, 31(11): 2291-2305. (in Chinese))
    [7] 万林海, 余建民, 冯翠红. 软土复合土钉支护结构参数优化设计[J]. 岩石力学与工程学报, 2004, 23(19): 3342-3347. (WAN Lin-hai, YU Jian-min, FENG Cui-hong. Optimum design of parameters for composite soil nail wall in soft soil foundation[J]. Chinese Journal of Rock Mechanics and Engineering, 2004, 23(19): 3342-3347. (in Chinese))
    [8] 周 勇, 朱彦鹏. 黄土地区框架预应力锚杆支护结构设计参数的灵敏度分析[J]. 岩石力学与工程学报, 2006, 25(增1): 3115-3123. (ZHOU Yong, ZHU Yan-peng. Sensitivity analysis of design Parameters of grillage supporting structure with prestressed anchor in loess region[J]. Chinese Journal of Rock Mechanics and Engineering, 2006, 25(S1): 3115-3123. (in Chinese))
    [9] 周 勇, 朱彦鹏. 黄土深基坑土钉支护结构设计参数的灵敏度分析[J]. 四川建筑科学研究, 2008, 34(4): 131-135. (ZHOU Yong, ZHU Yan-peng. Sensitivity analysis of design Parameters of soil nailed structure for deep excavation in loess region[J]. Chinese Journal of Sichuan Building Science, 2008, 34(4): 131-135. (in Chinese))
    [10] 高 翔. 基坑复合土钉支护安全系数及工作性能的有限元分析[D]. 北京: 清华大学, 2004. (GAO Xiang. Analysis of composite soil Nailing safety Factor and working behaviors by FEM[D]. Beijing: Tsinghua University, 2004. (in Chinese))
    [11] 彭明祥. 土钉支护设计参数的灵敏度分析[J]. 工程勘察, 2005(6): 8-10. (PENG Ming-xiang. Analysis of sensitivity of design parameters for soil nailings[J]. Geotechnical Investigation and Surveying, 2005(6): 8-10. (in Chinese))
    [12] 张旭明, 王得信. 结构灵敏度分析的解析方法[J]. 河海大学学报, 1998, 26(5): 44-49. (ZHANG Xu-ming, WANG De-xin. Analytical method for structural sensitivity analysis[J]. Chinese Journal of Hohai University, 1998, 26(5): 44-49. (in Chinese))
    [13] GEO_SLOPE International Ltd. GEO_SLOPE user's manual[M]. Calgary: Alberta, 2001.
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出版历程
  • 收稿日期:  2014-07-27
  • 发布日期:  2014-07-27

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