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。
Loose covering layer that consisted of water containing fine powder sand layer was encountered in the overcasting at Zhaodianzi Iron Mine.
赵店子铁矿在露天开采中遇到了含有含水粉细沙层的松散覆盖层。
The ground stratum is quite complex, with silt layer and fine sand layer mixed, so the construction is difficult to be carried out and the requirement of pit support is strict.
基坑所处地层十分复杂，有较厚的淤泥层和细砂层，基坑支护要求高，施工难度大。
Abstract: : the soft soil roadbed is mainly composed of clay and silty soil fine particle content of soft soil, the gap of the organic soil, peat soil and loose sand soil layer.
摘要：软土路基主要由粘土和粉土等细微颗粒含量多的松软土、空隙大的有机质土、泥炭土以及松散砂等土层构成。
Abstract: : the soft soil roadbed is mainly composed of clay and silty soil fine particle content of soft soil, the gap of the organic soil, peat soil and loose sand soil layer.
摘要：软土路基主要由粘土和粉土等细微颗粒含量多的松软土、空隙大的有机质土、泥炭土以及松散砂等土层构成。
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