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赵俭斌, 史永强, 杨军. 基于灰色理论的静压管桩承载力影响因素分析[J]. 岩土工程学报, 2011, 33(zk1): 394-398.
引用本文: 赵俭斌, 史永强, 杨军. 基于灰色理论的静压管桩承载力影响因素分析[J]. 岩土工程学报, 2011, 33(zk1): 394-398.
ZHAO Jian-bin, Shi Yong-qiang, YANG Jun. Influencing factors for bearing capacity of statically pressed pipe piles based on grey theory[J]. Chinese Journal of Geotechnical Engineering, 2011, 33(zk1): 394-398.
Citation: ZHAO Jian-bin, Shi Yong-qiang, YANG Jun. Influencing factors for bearing capacity of statically pressed pipe piles based on grey theory[J]. Chinese Journal of Geotechnical Engineering, 2011, 33(zk1): 394-398.

基于灰色理论的静压管桩承载力影响因素分析

Influencing factors for bearing capacity of statically pressed pipe piles based on grey theory

  • 摘要: 静压管桩单桩极限承载力的确定受桩身几何形状、桩周土性质、桩基施工等多个因素的共同作用。通过对辽沈区典型地质条件下某工程的勘察资料、施工记录和现场载荷试验等数据的灰色关联度分析,得出影响该工程单桩承载力的因素序列,进而针对排序结果展开详细论述。结论表明:该工程基桩承载力以端承为主,这与南方地区有明显的不同;利用灰色关联度方法分析影响静压管桩承载力因素是可行的,能够反映静压管桩荷载分布的真实情况。该分析方法为静压管桩承载机理分析提供了一条新的研究途径,并为今后相关问题的研究提供了借鉴和指导。

     

    Abstract: The ultimate bearing capacity of statically pressed pipe piles is affected by the geometry of piles, property of soil surrounding the piles, pile construction and so on. The grey correlation method is used to analyze the investigation data, construction records and field loading test data of statically pressed pipe piles in Liaoshen area, and the factor sorting which affects the bearing capacity of single pile is acquired. The results show that the ultimate bearing capacity of single pile is end resistance, which is different from that in south area of China. It is advisable to analyze the factors which affect the bearing capacity of statically pressed pipe piles by use of the grey correlation method. The results agree well with the real situation of load distribution. The grey correlation method provides a new research approach for analyzing the bearing mechanism of statically pressed pipe piles and gives some references for researches on relative problems in future.

     

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