In traditional high pile wharf structures,the pile core and pile cap often adopt cast-in-place process.Due to the influence of tidal fluctuation zone,the reinforcement and concrete in the cast-in-place process are subject to seawater soaking and erosion,which makes it difficult to control the quality of the structure.Moreover,the marine operation needs to catch up with the tide construction,and the risk of personnel is high.Relying on the berth 18-20 project in Ningde,Fujian,this paper introduces a T-pile cap construction process using high pile wharf socket.By installing the T-shaped pile cap socket into the steel pipe pile and using UHPC material grouting to form a whole with the steel pipe pile.The T-pile cap is a new type of structure,and the installation and grouting process solves the technical problem of assembling straight piles for high pile wharf.The application results show that the process can improve the assembly rate and construction quality of the wharf,and the application effect is good.