介绍了一种能供应高质量单一砂的自动化砂处理系统。
This paper presents an automatic sand treatment system which will be able to provide simple sand with good quality.
探讨了单一砂井双面排水情况下软土地基的平均固结度计算方法，提出了固结度计算的新的修正方法，对软土地基内路基设计具有一定的指导意义。
The calculation method of average sand drain and the new modified method are discussed. The results can serve as a guide to subgrade design of soft ground.
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