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 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.
文章介绍福州港散货(河砂)码头工程装砂泊位嵌岩灌注桩施工中的难题及处理对策。
It introduces the problems during construction of the cast in situ concrete pile embedded in rocks for sand loading berth of Fuzhou Port bulk cargo (river sand) wharf and the countermeasures.
本工艺标准适用于工业和民用建筑中粘土、粉质粘土及含少量砂、石粘土层，且地下水位低的人工成孔灌注桩工程。
This technology is applicable to industrial and civil construction clay, silty clay and containing a small amount of sand, stone clay, and low groundwater levels Artificial hole pile works.
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