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1)  major diameter long piles
大直径长桩
1.
As for the suspected issues in calculating bearing capability of major diameter long piles by self-balancing approach,this paper suggests a new calculating method with integration of "Hunan Method",so to rationally demonstrate the relationship between bearing capability and settlement.
针对自平衡法计算大直径长桩承载力可疑之处,结合“湖南法”提出一种新的计算方法,该方法合理地阐明了承载力与沉降的关系。
2)  extra long and large diameter pile groups
超长大直径群桩
1.
Based on Mindlin displacement solution,the formulas for settlement of 18 and 64 extra long and large diameter pile groups are deduced according to the hypotheses that resistance to pile end is concentrated force and skin friction of pile is linear increasing distributed force.
针对18根和64根超长大直径群桩基础,采用Mindlin位移解,假定桩端阻力为集中力和桩侧摩擦阻力呈向下线性增加分布形式后,推导出沉降计算公式。
3)  long drilled pile with large diameter
大直径长钻孔桩
4)  large-diameter long pile
大直径深长桩
1.
19 trial piles and 494 large-diameter long piles both for main bridge and auxiliary bridge.
通过苏通大桥19根试桩和主桥、辅桥494根大直径深长桩首次运用U管压浆的成功实践,揭示了压浆的作用机理,提出了实用的理论计算公式,研究了U管压浆装置和成套的施工工艺及质量控制标准,并采用C T检测和承载力自平衡对比试验等手段,有力地验证了压浆取得的效果,值得在类似工程中借鉴和参考。
5)  overlength large diameter pile
超长大直径桩
1.
Study on effect of base grouting on shaft friction of overlength large diameter pile;
桩端压浆对超长大直径桩侧阻力的影响研究
2.
Study of deformation characteristics of overlength large diameter piles
超长大直径桩的变形特性研究
6)  large diameter overlength pile
大直径超长桩
1.
Test study and finite element analysis of bearing behavior of large diameter overlength piles after grouting;
大直径超长桩压浆后承载性能的试验研究及有限元分析
补充资料:当量比表面直径、表面积体积平均直径
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性质:又称当量比表面直径、表面积体积平均直径。是颗粒群表面积分布的平均直径。其意义为与颗粒群的粒形相同,总体积相同、总表面积相同,且粒度均匀的一个假想颗粒群的粒度。亦即指与该颗粒群的粒形相同,比表面积相同的一个颗粒的粒度。 

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