英德
有道
百度
谷歌
图片
维基
百科
砂层
sand layer
sand seam
sand seam
- 摘要大隆水库大坝坝基为含卵砾中粗砂层，即使大功率振冲器也难以贯入。
The foundation of the dam for Dalong reservoir consists of the layer of medium-coarse sand with gravel, so it is difficult to be penetrated even by the high-power vibrator. - 具有工程造价低，质量易于保证，无泥浆污染，能穿过粉土、粉砂层，施工速度快的优点。
So it has the merits of lower price, liable quality, no slurry pollution, penetrating easily the silty and silty-sand layers, efficient construction etc. - 通过验证勘察并经综合分析后认为，造成单桩承载力不足的主要原因是施工时扰动了桩底或（及）桩周砂层。
After re-exploration and careful analysis，it was found that the sand soil under the bottom of the pile and around the pile was disturbed during the construction of CFG piles.
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