What is the construction of dynamic compaction method?

强夯工程了解到，强夯是一种强挤密方法，又称强夯法。用大型履带式强夯机从6-30米的高度自由落下8-30吨重锤，对土体进行压实，迅速提高地基的承载力和压缩模量，形成相对均匀、密实的地基，改变地基一定程度内地基土的孔隙分布。强夯法已广泛应用于高速公路和铁路、机场、核电站、大型工业区、港口填海等地基加固工程。优点：工期短，效果好，成本低。

Dynamic Compaction Engineering understands that dynamic compaction is a kind of dynamic compaction method, also known as dynamic compaction method. A large crawler dynamic compactor is used to freely drop 8-30 tons of hammer from a height of 6-30 meters to compact the soil, quickly improve the bearing capacity and compression modulus of the foundation, form a relatively uniform and dense foundation, and change the pore distribution of the foundation soil in the foundation to a certain extent. Dynamic compaction method has been widely used in highway and railway, airport, nuclear power plant, large industrial area, port reclamation and other foundation reinforcement projects. Advantages: short construction period, good effect and low cost.

强夯工程说适用范围如下：

The application scope of Dynamic Compaction Engineering is as follows:

1.经过多年的实践和强夯设备的更新，强夯施工已广泛应用于高速公路和铁路、机场、核电站、大型工业区、港口填海等地基加固工程。高填方地基、高含水量地基、港口填海地基、海水填海地基等较为复杂的地质都有成功的施工案例。

1. After years of practice and the renewal of dynamic compaction equipment, dynamic compaction construction has been widely used in foundation reinforcement projects such as expressways and railways, airports, nuclear power plants, large industrial areas and port reclamation. There are successful construction cases in complex geology such as high fill foundation, high water content foundation, port reclamation foundation and seawater reclamation foundation.

2.强夯法适用于处理砾石土、砂土、低饱和度粉土和粘性土、湿陷性黄土、素填土和杂填土。

2. The dynamic compaction method is applicable to the treatment of gravelly soil, sandy soil, low saturation silt and cohesive soil, collapsible loess, plain fill and miscellaneous fill.

3.强夯施工前，应在施工现场的代表性场地选择一个或几个试验区进行试夯或试验施工。试验区的数量应根据施工现场的复杂程度、建设规模和建筑类型来确定。

3. Before dynamic compaction construction, one or several test areas shall be selected at the representative site of the construction site for trial compaction or test construction. The number of test areas shall be determined according to the complexity of the construction site, construction scale and building type.

强夯工程说施工注意事项如下：

Precautions for construction of dynamic compaction project are as follows:

1.在现场试夯中确定夯击次数时，除两击的平均夯沉量符合要求外，夯坑周围不应有大的鼓包。

1. When determining the tamping times in the field trial tamping, there shall be no large bulge around the tamping pit except that the average tamping settlement of the two blows meets the requirements.

2.当原地面含水量较大时，先在该段铺10 ~ 20厘米厚的碎石，然后再夯实。

2. When the water content of the original ground is large, pave 10 ~ 20cm thick gravel in this section first, and then compact it.

3.强夯不适合冬季施工。

3. Dynamic compaction is not suitable for winter construction.

4.加强强夯措施，确保施工人员。

4. Strengthen dynamic compaction measures to ensure the safety of construction personnel.

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