Waterproof system for junction of outer wall of fan foundation ring and foundation pillar

The utility model discloses a waterproof system for the junction of the outer wall of a fan foundation ring and a foundation stand. The structure comprises a leveling layer, an additional layer, a coiled material waterproof layer and a head closing groove, the head closing groove is bonded to the position, not smaller than 300 mm away from the top face of a foundation, of the outer wall of the foundation ring through a structural adhesive, and the leveling layer is arranged at the position, 20 mm thick at the lowest position, of the top of the foundation and is not smaller than 3% in gradientfrom inside to outside and not smaller than 300 mm in length; the additional layer starts to be laid from the slope toe of the leveling layer and is upwards closed to the closing groove along the outer wall of the foundation ring; and the coiled material waterproof layer is paved on the additional layer and is upwards closed to the closing groove along the outer wall of the foundation ring. The waterproof system can overc