abstract |
The present disclosure is directed to a root assembly (30) for a rotor blade (16) of a wind turbine (10) and to methods for manufacturing it. the root assembly (30) includes a spade root section (32) having an inner side wall surface (40) and an outer side wall surface (42) separated by a radial gap (44), a plurality of root inserts (46) circumferentially spaced within the radial gap (44) and a plurality of spacers (52) configured between one or more of the root inserts (46). Additionally, each of the root inserts (46) includes at least one bushing (48) surrounded by a precured or preconsolidated composite material (50, 54). furthermore, the spacers (52) are constructed of a precured or precast composite material (50, 54). |