Traditional manual digging pile foundation

Generally, there are independent foundations, strip foundations and pile foundations (manual digging, drilling and piling). Combined foundation, flat foundation, box foundation. Independent foundation under column is used for natural shallow foundation, which belongs to buildings with small bearing capacity, such as multi-storey and factory buildings. Pile foundation can be divided into many types and is suitable for high-rise buildings. Cement digging pile belongs to manual digging pile, and its cross section is like an inverted matchhead. At the bottom is an enlarged head.