Förfarande och utrustning för att bearbeta en hålplatta och fästa en lyftörgla i hålplattan

摘要

Method and apparatus for attaching a part forming a lifting lug to fresh, prestressed hollow-core slab or massive slab, wherein the part forming the lifting lug is embedded by vibrating at least partly through the upper surface of the slab, after which the part forming the lifting lug is turned by vibrating, so that the lower parts of the lifting lug set themselves under the reinforcing strands of the slab.