long large-diameter pile 大直径长桩
large diameter ultra-long filling pile 大直径超长灌注桩
super long-large diameter pile 超长大直径桩
super-long large diameter bored pile 大直径超长混凝土灌注桩
super long-large diameter bored pile 超长大直径钻孔灌注
The numerical simulation method based on software FLAC3D for the large-diameter long pile is discussed, and the influences of parameters of soil-pile interface on the numerical results are analyzed.
基于FLAC3D数值分析软件，探讨了大直径长桩的数值模拟方法，分析了桩土间接触面参数对数值计算结果的影响。
The bearing characteristic of large diameter and super-long pile in quaternary soil layer is analyzed in the case of no good bearing layer (such as rock, sand and cobble layer) and no ripe experience.
在没有良好的持力层（基岩或砂、卵石层）和成熟经验可借鉴的情况下，对第四系土层大直径超长桩（钻孔灌注桩）的承载特性进行了分析。
The bearing capacity of super-long and large-diameter bored pile tip is influenced by the facts including construction process, depth effect, size effect and so on.
阐述了超长大直径钻孔灌注桩桩端承载力的影响因素，包括施工工艺、深度效应和尺寸效应等。
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