Patent ID: 8757933

Claim:
A grouting cabin structure of a grouted connection for use in a foundation of an offshore wind turbine generator, the structure comprising: a pile; a sleeve which is coaxial with said pile and installed outside said pile; and a first grouting exhaust port and a first connection port for a grouting pipe provided at an upper part and a lower part of said sleeve, respectively; wherein an enclosed cabin of a barrel form is arranged in a gap between said pile and said sleeve and is concentric and coaxial with said pile and said sleeve; wherein said enclosed cabin is formed by an internal wall of said enclosed cabin and an internal wall of said sleeve; wherein a second connection port for the grouting pipe and a second grouting exhaust port are provided at a lower and an upper part of said enclosed cabin, respectively; and wherein a gap between said internal wall of said enclosed cabin and an external wall of said pile forms a first grouting space and a gap between said internal wall of said enclosed cabin and said sleeve forms a second grouting space.