• 全国中文核心期刊
  • 中国科技核心期刊
  • 美国工程索引(EI)收录期刊
  • Scopus数据库收录期刊
HUI Chen-yi, ZHU Yan-peng, YE Shuai-hua. Stabilty reliability analysis of composite soil nailing structures with prestressed anchors[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(zk2): 186-190. DOI: 10.11779/CJGE2014S2031
Citation: HUI Chen-yi, ZHU Yan-peng, YE Shuai-hua. Stabilty reliability analysis of composite soil nailing structures with prestressed anchors[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(zk2): 186-190. DOI: 10.11779/CJGE2014S2031

Stabilty reliability analysis of composite soil nailing structures with prestressed anchors

More Information
  • Received Date: July 27, 2014
  • Published Date: July 27, 2014
  • For the problem of reliability analysis of stability of composite soil-nailing supporting structures with prestressed anchors, based on the limit equilibrium theory, the safety coefficient formulas and reliability analysis functions for foundation pits are established. Then taking the mechanical parameters of soils as random variables, the stability reliability index and failure probability of foundation pits are calculated using the Monte Carlo importance sampling method. A project example is used for analysis. The results show that the formula for the stability calculation accords with the demands of engineering and the reliability analysis, so its use for calculating the stability of composite soil-nailing structures is effective. In the reliability analysis of the foundation pit, the reliability index and the failure probability are greatly influenced by the cohesive force, internal friction angle of soils and friction resistance of coefficient of variation. The former decreases with the increasing coefficient of variation, while the latter increases with the increasing coefficient of variation. For the selection of distribution of mechanical parameters of soils, the cohesive force of parameters takes logarithmic distribution, and the angle of internal friction and the friction resistance adopt normal distribution. The reliability of the calculation and analysis is quite reasonable.
  • [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, 3082. (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]. Rock and Soil Mechanics, 2009, 30(12): 3793-3796, 3802. (in Chinese))
    [2]
    周 勇, 朱彦鹏. 土钉-预应力锚杆复合支护在深基坑的应用[J]. 路基工程, 2008, 41(6): 32-34. (ZHOU Yong, ZHU Yan-peng. The application of composite support of soil nails-prestressed anchors in deep foundation pits[J]. Subgrade Engineering, 2008, 41(6): 32-34. (in Chinese))
    [3]
    赵德刚, 蒋 宏. 复合土钉墙的变形与稳定性分析[J]. 岩土工程学报, 2006, 28(增刊1): 1687 -1690. (ZHAO De-gang, JIANG Hong. Deformation and stability analysis of composite soil-nailed walls[J]. Chinese Journal of Geotechnical Engineering, 2006, 28(S1): 1687-1690. (in Chinese))
    [4]
    杨志银, 张 俊, 王凯旭. 复合土钉墙技术的研究及应用[J]. 岩土工程学报, 2005, 27(2): 153-156. (YANG Zhi-yin, ZHANG Jun, WANG Kai-xu. Development of composite soil nailing walls[J]. Chinese Journal of Geotechnical Engineering, 2005, 27(2): 153-156. (in Chinese))
    [5]
    黄广龙, 卫 敏, 李 娟. 参数变异性对围护结构稳定性影响分析[J]. 岩土力学, 2010, 31(8): 2484-2488. (HUANG Guang-long, WEI Min, LI Juan. Analysis of influence of parameters variability on retaining structure stability[J]. Rock and Soil Mechanics, 2010, 31(8): 2484-2488. (in Chinese))
    [6]
    唐仁华, 陈昌富. 锚杆挡土墙可靠度分析与计算方法[J]. 岩土力学, 2012, 33(5): 1389-1395. (TANG Ren-hua, CHEN Chang-fu. Analysis and calculation method of reliability of anchored retaining wall[J]. Rock and Soil Mechanics, 2012, 33(5): 1389-1395. (in Chinese))
    [7]
    罗晓辉, 朝泽东, 肖 坚. 基于蒙特卡罗法的基坑土钉支护稳定可靠度分析[J]. 华中科技大学学报(城市科学), 2006, 23(增刊1): 30-33. (LUO Xiao-hui, CHAO Ze-dong, XIAO Jian. Stability analysis of reinforced soil nail based upon Monte-Carlo method[J]. Journal of Huazhong University of Science and Technology (Urban Science Edition), 2006, 23(S1): 30-33. (in Chinese))
    [8]
    杨育文, 袁建新. 深基坑开挖中土钉支护极限平衡分析[J].工程勘察, 1998(6): 9-15. (YANG Yu-wen, YUAN Jian-xin. Limit equilibrium analysis of excavation of soil nailing in deep foundation pit[J]. Engineering Survey, 1998(6): 9-15. (in Chinese))
    [9]
    王小平, 曹立明. 遗传算法——理论、应用与软件实现[M]. 西安: 西安交通大学出版社, 2002. (WANG Xiao-ping, CAO Liming. Genetic algorithm—theory, application and software realization[M]. Xi'an Jiao Tong University Press, 2002. (in Chinese))
    [10]
    张 明. 结构可靠度分析——方法与程序[M]. 北京: 科学出版社, 2009. (ZHANG Ming. Structural reliability analysis - methods and procedures[M]. Beijing: Science Press, 2009. (in Chinese))
    [11]
    赵延林, 安伟光. 基于可靠性的复合土钉支护基坑稳定性分析[J]. 哈尔滨工程大学学报, 2011, 32(10): 1300-1304. (ZHAO Yan-lin, AN Wei-guang. Reliability-based stability analysis of foundation pit supported by composite soil nailing [J]. Journal of Harbin Engineering University, 2011, 32(10): 1300-1304. (in Chinese))

Catalog

    Article views (251) PDF downloads (245) Cited by()
    Related

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return