Dynamic compaction lease layout can be arranged in quincunx or square grid. The number of blows and times of dynamic compaction at each point shall be determined according to the design requirements. According to the layout, the compaction shall be completed once in D, the gap of the compacted points shall be selected for the second time, and the point tamping shall be conducted twice in turn, and the following passes shall be conducted in the middle. When all points are tamped, the low hammer shall be used for full tamping again, and the tamping marks shall be mutually pressed by 1 ／ 2 or 1 ／ 3, so as to reinforce the loose soil and the loosened topsoil layer between the previous tamping points.

1、测量放样：采用1台DS-3水准仪和1台J6经纬仪按施工图要求确定强夯区域及点位布置，并在强夯范围外设置坐标控制网点基桩，同时在其周围合理布置水准点作为控制高程、路基沉降的依据。

1. Surveying and setting out: one ds-3 level and one J6 theodolite shall be used to determine the dynamic compaction area and point layout according to the requirements of the construction drawing, and coordinate control network foundation piles shall be set outside the dynamic compaction range. Meanwhile, benchmark points shall be reasonably arranged around them as the basis for controlling elevation and subgrade settlement.

2、试夯：在重锤夯击施工前，应试夯，以确定夯锤重量、底面积和落距，以便确定后下沉量及相应的小夯击遍数和总下沉量。

2. Trial compaction: before heavy hammer compaction construction, trial compaction shall be conducted to determine the weight, bottom area and falling distance of the hammer, so as to determine the post settlement, corresponding times of small compaction and total settlement.

强夯租赁施工队伍会因为收到成本的限制基本很难购置高质量的施工材料，施工材料质量的高低直接影响了强夯工程的质量，二则在也会影响施工进度，强夯设备施工方不得不因为施工成本而减少作业人员，缺少足够的施工人员就会延缓工期。就工程质量而言，我们应当合理的安排强夯造价方案。

Due to the cost constraints, it is difficult for the dynamic compaction rental construction team to purchase high-quality construction materials. The quality of construction materials directly affects the quality of the dynamic compaction project. On the other hand, it will also affect the construction progress. The dynamic compaction equipment construction party has to reduce the operating personnel due to the construction cost, and the lack of sufficient construction personnel will delay the construction period. In terms of project quality, we should reasonably arrange the dynamic compaction cost scheme.

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