What is the main application field of deep dynamic compaction technology in hole?

Underground dynamic consolidation method is a deep foundation treatment method. This method firstly drills a hole to a predetermined depth, and then performs dynamic compaction from bottom to top or while filling in layers to form a dense pile with high bearing capacity and dense soil between piles (hereinafter referred to as DDC method).

Ballast-soil pile composite foundation refers to a high-bearing composite foundation formed by DDC method with construction waste, miscellaneous soil, plain soil, stone, lime soil, non-toxic industrial waste and their mixtures as fillers.

Scope of application of DDC construction method:

1, DDC method is suitable for the treatment of foundation such as plain fill, miscellaneous fill, sand, silt, cohesive soil, collapsible loess and muddy soil.

2. Non-corrosive mixtures such as plain soil, sand, gravel, solid building waste, industrial waste, lime soil and concrete should be used for foundation treatment by 2.DDC method, and materials that are pollution-free to groundwater should be used as pile fillers.

3. When 3.DDC method is used to treat various soft foundations, inorganic non-toxic solid soil, sand, stone, broken bricks, industrial wastes and their mixtures are used as fillers, which saves steel and cement, reduces cost, saves cultivated land and protects ecological environment, and has the characteristics of green engineering technology effect. In addition to the application of the above-mentioned application specifications, the control effect on deserts, garbage dumps and industrial waste yards is obvious.