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薛丽影, 杨文生. 某高边坡桩基立柱锚拉式挡土墙设计[J]. 岩土工程学报, 2013, 35(zk2): 1176-1179.
引用本文: 薛丽影, 杨文生. 某高边坡桩基立柱锚拉式挡土墙设计[J]. 岩土工程学报, 2013, 35(zk2): 1176-1179.
XUE Li-ying, YANG Wen-sheng. Design of upright-anchored pile retaining wall in a high slope[J]. Chinese Journal of Geotechnical Engineering, 2013, 35(zk2): 1176-1179.
Citation: XUE Li-ying, YANG Wen-sheng. Design of upright-anchored pile retaining wall in a high slope[J]. Chinese Journal of Geotechnical Engineering, 2013, 35(zk2): 1176-1179.

某高边坡桩基立柱锚拉式挡土墙设计

Design of upright-anchored pile retaining wall in a high slope

  • 摘要: 结合某高边坡工程支挡结构设计实例,简述了桩基立柱锚拉式挡土墙的工程特性、设计方法和施工要点。着重讨论了该支挡结构的计算模型,分析时可将支挡结构的稳定性问题转化为强度问题,提出先进行挡土墙墙顶以上边坡稳定性分析计算,然后将桩基立柱及预应力锚定拉杆按桩-锚支护体系计算,再进行挡土墙计算,最后完成托梁、锚定墙等结构的计算。该支挡结构受力明确,适用于高填方的边坡支护中,扩大了挡土墙的使用范围,减小了上部挡土墙截面,同时减少了对坡体的干扰,具有推广的价值。

     

    Abstract: Combined with a retaining structure design of a high slope construction, the engineering characteristics, design method and construction points of the upright-anchored pile retaining wall are introduced. The calculation model for the retaining structure is emphatically discussed. The stability problem of retaining structure can be viewed as strength problem. The calculation method is put forward and divided into four steps. The first step is to calculate and analyze the stability of the slope above the roof of retaining wall; and then the pile columns and prestressed anchor can be calculated and analyzed as the model of pile-anchor support system; the third step is to calculate the retaining wall; the last step, the structures of trimmers and anchor walls can be calculated. This retaining structure, which is clear and suitable for high fill slope supporting, enlarges the usable range of the retaining wall and reduces the section of upper part of retaining wall and the disturbance to the slope. It’s worth promoting.

     

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