Dynamic compaction method has the characteristics of remarkable foundation reinforcement effect, wide range of soil types, simple equipment, convenient construction, material saving, short construction period, civilized construction and low construction cost. It will be widely used when the low-lying land that is not suitable for cultivated land is backfilled as the construction site. The determination method and construction process of dynamic compaction technical parameters and the quality control measures of dynamic compaction method given in this paper have certain guiding significance for the construction of foundation treatment by dynamic compaction method.

1.作业前，检查各系统管路及接头部分应无裂纹、松动和泄漏现象，滚轮的刮泥板应平整良好，各紧固螺栓无松动，确认正常后，方可启动。

1. Before operation, check that all system pipelines and joints shall be free of cracks, looseness and leakage, the mud scraper of the roller shall be flat and good, and all fastening bolts shall be free of looseness. It can be started only after it is confirmed to be normal.

2.开动前，机械周围应无障碍物和人员。

2. Before starting, there shall be no obstacles and personnel around the machine.

3.在运行中，不得进行修理或加油，需要在机械底部进行修理时，应将内燃机熄火，用制动器制动住机械，并楔住滚轮。

3. During operation, repair or refueling is not allowed. When it is necessary to repair at the bottom of the machine, shut down the internal combustion engine, brake the machine with the brake and wedge the roller.

4.变换压路机前进或后退方向，应待滚轮停止后进行，严禁利用换向离合器做制动用。

4. Change the forward or backward direction of the roller after the roller stops. It is strictly prohibited to use the reversing clutch for braking.

5.在新筑道路上碾压时，应从中间向两侧碾压，距路基边缘不少于0.5m。上坡时变速应在制动后进行，下坡时严禁脱档滑行。

5. When rolling on the newly built road, it shall be rolled from the middle to both sides, and the distance from the subgrade edge shall not be less than 0.5m. When going uphill, the speed change shall be carried out after braking. When going downhill, it is strictly prohibited to slide out of gear.

6.碾压傍山道路时，由里侧向外侧碾压，碾压第2行时，需要重叠半个滚轮压痕。

6. When rolling the road near the mountain, roll from the inside to the outside. When rolling the second row, it is necessary to overlap half of the roller indentation.

7.两台以上同时作业时，前后距离不得小于3m。在坡道上不得纵队行驶。

7. When more than two machines operate at the same time, the front and rear distance shall not be less than 3m. Do not drive in columns on the ramp.

8.需要增加机重时，可在滚轮内加黄沙和水，气温降0℃时，不得用水增重。

8. When the machine weight needs to be increased, yellow sand and water can be added to the roller. When the temperature drops to 0 ℃, it is not allowed to increase the weight with water.

9.轮胎压路机作业前，检查轮胎气压应符合要求，避免在大块石基础层上作业。

9. Before the operation of the tire roller, check that the tire pressure shall meet the requirements to avoid operation on the large stone foundation layer.

10.压路机转移工地距离较远时，应用汽车或平板拖车装运，不得用其他车辆拖拉牵运。

10. When the roller is far away from the construction site, it shall be transported by car or flat trailer, and shall not be towed by other vehicles.

11.强夯施工作业后，应将压路机停放在平坦坚实的地方，并制动住。不得停放在土路边缘及斜坡上，也不得停放在妨碍交通的地方。严寒季节停机时，应将滚轮用木板垫高地面。

11. After dynamic compaction, the roller shall be parked in a flat and solid place and braked. It is not allowed to park on the edge of dirt road and slope, or in places that hinder traffic. In case of shutdown in severe cold season, the roller shall be padded up on the ground with wooden board.

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