sand bedding

The comprehensive strengthening method of combining cement jet-grouting pile, sand bedding course with film covering geotextile is adopted in this paper to deal with slit precautions beside the sea.

采用水泥粉喷柱、砂砾垫层与覆膜土工布三者结合的综合加固法处理滨海相淤泥沉积，水泥粉喷桩的施工及成桩检测；

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In the construction technology, the three-dimension drainage network is used to instead of the sand bedding course, and put into practice in field test area with actual engineering.

施工工艺中提出三维土工排水网替代砂垫层的新思路，结合实际工程在现场试验区加以实施。

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Wheel-speed regulating change box Whether in the first case or in the second the center of the convolute bedding is commonly marked by a sand "ball" and sometimes there is one or a few sluicing holes in the center.

轮变速箱，砂轮变速箱无论是前者、还是后者，中心多为砂核，有时中心有一个或多个泄水孔。

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Construction scheme of sand bedding course carpeting and sacked sand drain drilling in soft ground treatment

软基处理中铺砂垫层和打袋装砂井的施工方案

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The method of earth replacement by bedding sand to different foundation soil

对不同地基土进行砂垫层换土处理的方法

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