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seen and device for the forming of the sandpalar for forsterkning of los mark
seen and device for the forming of the sandpalar for forsterkning of los mark
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机译:所见及用于失落痕迹的沙pal形成装置
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摘要
A method for uniformly improving a soft ground is proposed. It includes the steps of driving a pipe into the ground, putting sand thereinto and pulling up the pipe gradually while discharging and compacting the sand. In forming the sand piles, the diameter and/or strength of the sand piles are changed according to the soil nature of the ground to be improved to improve the ground uniformly.
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