| 摘要 |
A wind turbine blade root having : an annular structure (12) extending about a main axis (A) and made of a composite material including a matrix and reinforcing fibres; first longitudinal reinforcing elements (13), which are incorporated in the annular structure (12), extend in the direction of the main axis (A), and are spaced apart in a circle about the main axis (A), and an annular reinforcing element (15) connecting the first longitudinal reinforcing elements (13) and having first coupling portions for connection to the first longitudinal reinforcing elements (13). |
