According to the principle of transmission system, dynamic compaction machine can be divided into mechanical type and hydraulic type. Because most of the previous dynamic compaction machines belong to mechanical type, mechanical transmission is selected, which makes the equipment bulky, self severe, low level of compaction energy, low level of automatic control, inconvenient operation and low operation power. But there are also some benefits. For example, if the main winch is driven by mechanical transmission, the power loss is smaller than that driven by hydraulic motor. The mechanical repair is convenient, the operation cost is lower, and it is durable.

而现在新式强夯机大都选用全液压驱动办法，其选用的是液压传动办法，强夯机的整机外形尺寸减小，自严峻幅削减，接地比压变小，经过性增强，经过液压技能，强夯可明显下降发动机的燃油耗费。

Nowadays, most of the new dynamic compaction machines are driven by hydraulic system. The overall dimension of the dynamic compaction machine is reduced, the self range is reduced, the grounding pressure is reduced, and the process is enhanced. Through the hydraulic energy-saving skills, the dynamic compaction can significantly reduce the fuel consumption of the engine.

尤其是在路基成型后，一般情况下为了跋涉其整体稳定性，选用SD30三边形冲击式压路机进行压实，其作业原理可视为轻型强夯，这种压实方法吸取了一般压路机和强夯机械的利益，把强夯效果力变成为连续翻滚式的冲击。

Especially after the subgrade is formed, in order to trudge its overall stability, sd30 trilateral impact roller is selected for compaction. Its operation principle can be regarded as light dynamic compaction. This compaction method absorbs the benefits of general roller and dynamic compaction machinery, and turns the dynamic compaction effect force into continuous rolling impact.

对于强夯载荷试验是指地基工程完成后对地基结构进行质量检测，首要目的是检测地基结构的承载力和变形模量，标准贯入试验是指低丰满的粉土和粘性土等地基进行处理，将低丰满的粉土和粘性土等地基进行密实加固，检测地基的稳定性、密实度和变形参数，还可以与荷载试验相结合进行查验和判别地基的承载力并招认地基有用加固深度。

The dynamic compaction load test refers to the quality inspection of the foundation structure after the completion of the foundation project, and the primary purpose is to detect the bearing capacity and deformation modulus of the foundation structure. The standard penetration test refers to the treatment of the low plump silt and clay foundation, and the consolidation of the low plump silt and clay foundation, and the detection of the stability, compactness and deformation parameters of the foundation It can be combined with the load test to check and judge the bearing capacity of the foundation and admit the useful reinforcement depth of the foundation.

使用强夯机进行静力触探试验一般适用于碎石土、沙土、湿陷性黄土等地基。首要检查地基结构的比贯入度、锥尖阻力和孔隙水的压力；动力触探试验适用于强。化风硬质岩石、软质岩石、碎石土、沙土等土层地基，其首要检查沙土的孔隙比、密实度、强度与变形参数，选用场所的均匀性进行检测强夯地基的质量和地基的加固效果。

Static cone penetration test with dynamic compaction machine is generally applicable to gravel soil, sandy soil, collapsible loess and other foundations. The specific penetration, cone resistance and pore water pressure of the foundation structure should be checked first, and the dynamic penetration test is suitable for strong foundation. For the foundation of Huafeng hard rock, soft rock, gravel soil, sandy soil and other soil layers, the first step is to check the void ratio, compactness, strength and deformation parameters of the sandy soil, and select the uniformity of the site to test the quality of the dynamic compaction foundation and the reinforcement effect of the foundation.

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