The durability of underground concrete structures in corrosive environments is one of the hottest issues. The current research works on the durability of underground concrete structures in marine and offshore chlorine salt erosion environment and saline lake and inland saline sulfate environment were summarized based on concrete corrosion mechanism

erosive ion diffusion mechanism

rebar corrosion mechanism

concrete strength and stiffness damage and other aspects

respectively

and the damage characteristics and degradation mechanisms of underground concrete structures under chloride and sulfate corrosion environment were discussed. Considering the production technology of the PHC pipe pile and the bored pile

the deterioration mechanism of horizontally loaded PHC pipe pile in marine environment and vertically loaded bored pile in saline soil environment were discussed

respectively. The degradation laws of their load-bearing characteristic were investigated by considering the loading mechanism of bored piles and PHC pipe piles

and the methods for predicting the service life of horizontally loaded PHC pipe pile in marine environment and vertically loaded bored pile in saline soil environment were proposed. Finally

based on the current study

the further research ideas and directions were proposed to provide references for the durability research of reinforced concrete pile in corrosive environment and complicated stress conditions

and as well as the formulation of relevant standards.