1) strip foundation: when the superstructure of a building is supported by a wall, the foundation is arranged along the wall and mostly made into a strip. This kind of foundation is called strip foundation or strip foundation.
2) Independent foundation: When the superstructure of a building adopts frame structure or single-layer bent structure to bear load, the foundation usually adopts square or rectangular independent foundation, which is called independent foundation or column foundation.
3) Raft foundation: When the load on the upper part of the building is large and the foundation is weak, the simple strip foundation can no longer meet the needs of foundation deformation. Usually the foundation under the wall or column is connected into a whole, so that the load of the building is borne on a whole board to become the raft foundation.
4) Box foundation: When the slab foundation is deep, the foundation is often changed to box foundation. Box foundation is an integral structure composed of reinforced concrete bottom plate, top plate and several vertical and horizontal partitions.
5) Pile foundation: Pile foundation consists of foundation pile and cap connected to the top of the pile. If the pile body is completely buried in the soil and the bottom of the pile cap is in contact with the soil, it is called low pile cap pile foundation; If the upper part of the pile body is exposed to the ground and the bottom of the cap is exposed to the ground, it is called high cap pile foundation.