A replacement: soil replacement cushion method, silt squeezing replacement cushion method, cushion method, vibroflotation replacement filling method, dynamic compaction replacement filling method, gravel pile replacement filling method, lime pile method and EPS ultra-light material filling method.
B. Drainage consolidation: loading preloading method, overloading preloading method, vacuum preloading method, lowering groundwater level method, electroosmosis method, vacuum preloading method and stacking method.
C, injecting solidified substance: deep mixing method, high-pressure jet grouting method, osmotic grouting method, split grouting method, electrochemical grouting method and compaction grouting method.
D. Vibration compaction and compaction: surface in-situ compaction method, dynamic compaction method, vibration compaction method, sand-gravel pile compaction method, soil pile (lime soil) pile method, cement-soil pile method, blasting compaction method, and hole ramming pile method.
E. reinforcement: reinforced soil method, anchoring method, root pile method, low-strength concrete pile composite foundation method and reinforced concrete pile composite foundation method.
F. Cold and hot treatment: freezing method and sintering method.
G underpinning: foundation widening underpinning method, pier underpinning method, pile foundation underpinning method, foundation reinforcement underpinning method and comprehensive underpinning method.
H rectification: forced landing by loading, forced landing by digging, forced landing by soaking loess, hoisting rectification and comprehensive rectification.
(2) Foundation treatment methods can be divided into the following three types according to chemical action.
A. physical therapy.
B. chemical treatment.
C. biological treatment.
(3) Foundation treatment methods can be divided into the following three types according to the treatment position.
A. shallow treatment.
B. deep treatment.
C. slope soil treatment.
(4) Foundation treatment methods can be divided into the following two types according to the validity period.
A. temporary treatment.
B. Permanent disposal.