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干法取土作为一种灌注桩施工的新技术 ,可以减少在沉管中由于挤土引起的沉管与土的阻力 ,根据在粉砂中的对比试验 ,可以证明该新技术可用较小的沉管机械来沉管 ,它明显减少了沉管阻力 ,此试验参数可用于施工设计
As a new technology of bored pile construction, dry soil borrowing can reduce the resistance of immersed pipe and soil due to soil squeezing in immersed pipe. According to the comparative test in silt, it can be proved that this new technology can be used with smaller Immersion tube to sink tube, it significantly reduces the tube resistance, this test parameters can be used for construction design