1. Preparation for dynamic compaction construction.

强夯法的基本工作原理是使夯锤多次从高空下落，对施工地基进行加固的方法，其操作工艺比较简单，但是受地基土的性质和其他因素，比如人为因素的影响，可能对基地的稳定性都会造成影响。地基是否足够坚固、稳定又对上层建筑有着重大影响，所以施工前一定要做好万全的准备。

The basic working principle of dynamic compaction method is to make the rammer fall from high altitude for many times to strengthen the construction foundation. Its operation process is relatively simple, but it may affect the stability of the base due to the nature of foundation soil and other factors, such as human factors. Whether the foundation is firm and stable enough has a significant impact on the superstructure, so we must make perfect preparations before construction.

首先要对施工现场进行实地勘查，勘查内容主要包括地形、地势、地基土的性质、含水量、交通等。对施工现场进行勘探，一方面是要施工团队对施工现场足够熟悉，方便把控施工进行;另一方面是根据勘测的数据信息结果，制定详细的强夯施工方案，确定夯击次数，以达到更好的施工效果。

First of all, the construction site shall be subject to field investigation, which mainly includes terrain, terrain, nature of foundation soil, water content, transportation, etc. To explore the construction site, on the one hand, the construction team should be familiar with the construction site enough to facilitate the construction control; On the other hand, according to the survey data and information results, formulate a detailed dynamic compaction construction scheme and determine the compaction times, so as to achieve better construction effect.

2.试夯施工。

2. Trial compaction construction.

进行试夯施工是为了提高夯实数据准确性，确保施工效果能够达到设计要求，为后续的建设工作打造稳固的地基。试夯工作结束后，要对本次试夯的夯实次数、夯实程度等数据做相应地分析，来判断本次试夯的效果是否达到了设计方案所要求的地基承载力和稳固性。如果达到要求则可以进行正式施工，若没有达到设计要求，则要根据数据结果，找出原因，调整设计方案，进行下一次试夯施工。

The purpose of trial compaction construction is to improve the accuracy of compaction data, ensure that the construction effect can meet the design requirements, and create a stable foundation for subsequent construction work. After the trial tamping, the tamping times, tamping degree and other data of this trial tamping shall be analyzed accordingly to judge whether the effect of this trial tamping meets the foundation bearing capacity and stability required by the design scheme. If the requirements are met, the formal construction can be carried out. If the design requirements are not met, the reasons shall be found out according to the data results, the design scheme shall be adjusted, and the next trial compaction construction shall be carried out.

3.夯实施工。

3. Compaction construction.

实际工程操作过程中，夯实工作要根据工程要求和地基性质来确定夯击次数，一般只进行一次夯击是不能达到设计要求的，通常情况下要进行2～3次夯击，而每一次的夯击能都是不同的。在此过程中，施工团队要注意夯锤的质量和规格，控制好夯锤的高度和下落速度，以确保夯实施工次数完成后，地基的各项参数能够满足设计要求。

During the actual engineering operation, the tamping times shall be determined according to the engineering requirements and foundation properties. Generally, only one tamping can not meet the design requirements. Generally, 2 ~ 3 tamping shall be carried out, and the tamping energy of each tamping is different. In this process, the construction team should pay attention to the quality and specification of the rammer and control the height and falling speed of the rammer to ensure that after the completion of tamping construction times, all parameters of the foundation can meet the design requirements.

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