The labour-dugpile is widely used in foundation engineering.
人工挖孔桩是应用较为普遍的基础结构。
2
Give a more detailed description of the design principle that used protection with dugpile in transformation of existing railway bridge and culvert construction in parallel paragraph.
施工为例，较为详细地介绍了铁路既有线改造工程并行段桥涵施工中采用挖孔桩防护的设计原理。
3
Through economic comparison of several structural types which were applied in Guangzhou Metro Line 1, the single wall structure formed by rectangular man-dugpile has obvious economic advantage.