通过实例介绍人工挖孔大直径扩底灌注桩工程量的计算方法。
The paper illustrates the calculation of the amount of work in man-operated well digging and pile depositing with the bottom enlarged in diameter.
人工挖孔大直径扩底桩具有承载能力高，结构传力简明，地质条件合适时沉降小等优点。
Large diameter bulb pile constructed by manual excavation has many advantages, such as high bearing capacity, direct load transfer, and little settlement on proper geological conditions.
该楼系框架结构，采用人工挖孔扩底桩基础。
The building with frame structure is based on manual cavity expansion pile foundation.
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