Dynamic compaction, also known as dynamic consolidation, uses a large crawler crane to drop a 8-40 ton tamper from a height of 6-40 meters to strongly compact the soil. Dynamic compaction is applicable to a wide range of soil types and achieves remarkable reinforcement effects, providing relatively high bearing capacity; generally, foundation strength can be increased by 2 to 5 times, compressibility can be reduced by 2 to 10 times, and the depth of reinforcement influence can reach 6-10 m. It offers advantages such as high efficiency, fast construction speed, and low construction cost. It saves 50% of the cost compared with soil replacement and backfilling, and can save 50%-70% of the investment compared with foundation reinforcement using precast piles.