METHOD FOR FIXING AN EXPANSION ANCHOR TO A SUBSTRATE, IN WHICH A CURABLE MASS IS INTRODUCED IN THE ANNULAR SPACE AROUND THE EXPANSION ANCHOR
The invention relates to a method for fixing an expansion anchor to a substrate, in which an expansion anchor is provided, which has at least one expansion sleeve and at least one bolt; an anchoring zone and at least one part of a middle zone of the bolt are introduced into a hole in the substrate together with the expansion sleeve; the bolt is then moved relative to the expansion sleeve in the pull-out direction, as a result of which the expansion anchor is anchored to the wall of the hole; the space between the wall of the hole and the bolt is then filled to the height of at least one part of the middle zone with a curable mass such that the curable mass on the middle zone reaches up to an annular collar of the bolt, said collar being configured as one piece with the bolt and being locally larger in cross-section; and the curable mass is cured.