排水砂井除排水作用外，还起到竖向加筋抗滑作用。
Packed drains also have a vertical reinforcement and anti slide effect besides the drainage.
介绍了软土路基的共性，砂垫层、塑料排水板处理方案。
The article introduces the general character of soft soil roadbed and the treatment scheme of sand cushion and plastic drain board.
建议将粗砂掺到黏重的土壤里，以提高排水性能。
It is advisable to mix coarse grit into heavy soil to improve drainage.
基于VBA程序的理论分析表明，在排水早期，砂柱包气带中存在大量的水。
Theoretical analyses based on the VBA program show that there is a substantial amount of water in the vadose zone at earlier times of drainage.
研究表明，主应力方向对在不排水条件下饱和松砂的单调剪切特性具有显著影响。
It was found that the undrained shear behavior of loose sands was considerably dependent on the orientation of the principal stress.
经过排水固结法的经济分析及软土排水固结过程中的强度分析，提出了砂井参数及加载计划(工期)的优化设计方法。
By Analyzing the economy for consolidation and the strength of soft clay during consolidation, the optimal design of the parameters of sand well and the loading schedule (project term) is proposed.
竖向排水体包括砂井和塑料排水板已广泛应用于加速软黏土地基的固结。
Vertical drains including sand Wells and prefabricated drains have been widely used to accelerate the consolidation of the ground consisting of soft clays.
对于沙漠工程，提高沙漠砂的干密度，做好构筑物的防渗排水，避免地基含水量增高，是保证工程设施安全、正常运行的关键。
For engineering in desert, the key measures for ensuring the safety and operation of engineering facilities are to increase dry density and enhance seepage so as to avoid the high moisture content.
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.
砂柱下部饱和并处于静水平衡状态，在底部为定水头的条件下进行排水。
The sand column, saturated at its lower portion and initially in the condition of hydrostatic equilibrium, is drained at its bottom at constant head.
砂柱上部的总水头在排水结束时仍然高于底部定水头边界处的水头。
The total head in the upper portion of the column is higher than the head at the constant head boundary even at the end of drainage.
基于TOUGH2的理论分析表明，砂柱排水过程中的饱和度剖面与没有细砂层时的饱和度剖面明显不同。
Theoretical analysis based on TOUGH2 show that the saturation profile is substantially different from the drainage experiment without the finer layer on the top.
排水固结法需要的砂垫层厚度一直存在争议。
There are different opinions about thickness of sand MATS for consolidation method.
尾砂坝后部排水斜槽，要经常检查，清理两边的土、石等物防止进入槽内。
Frequently check the drainage chute in the back part of the tailing dam, clear away the soil and stone, etc. on its both sides to avoid entry into the chute.
进行了粗砂上部没有细砂层的均质砂柱的饱和-非饱和流排水实验以及粗砂上部存在细砂层的水气二相流排水实验。
Both saturated-unsaturated flow drainage experiment without the fine sand layer on the top of the coarse sand and air-water two-phase flow drainage experiment with the fine sand layer were performed.
进行了粗砂上部没有细砂层的均质砂柱的饱和-非饱和流排水实验以及粗砂上部存在细砂层的水气二相流排水实验。
Both saturated-unsaturated flow drainage experiment without the fine sand layer on the top of the coarse sand and air-water two-phase flow drainage experiment with the fine sand layer were performed.
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