A large amount of construction equipment and cement and other materials are required, the cost is high, the quality is not easy to control, the processing depth is moderate, the later settlement is large, and the construction period is short
Need a large number of construction equipment and cement and other materials, high cost, quality is not easy to control, processing depth is moderate, the later settlement is larger, the duration is short
A large number of construction equipment, cement and other materials are required, with high cost, difficult quality control, moderate treatment depth, large settlement in the later stage and short construction period