Development and Application of Separate and Movable Follower

Due to various kinds of complicated factor,the damage ratio of follower is very high in the construction of pile foundation project of the Donghai-bridge.In order to solve the problem and on the basis of the conventional follower,the separate and movable follower are developed according the structure and working principles.It has been proved by the practice of the project that the effect of application is better,which can prolong the service life of follower and raise the effectiveness of pile driving.