Method for dredging using a dredger, and a bucket dredger and scoop element therefor

摘要

The invention relates to a method and installation for excavating a bed (9) which is located underwater with the aid of a bucket dredger (1) provided with bucket-like scoop elements (2). The scoop elements are provided with venting means (10) to remove the air therefrom before scooping. Removal of the air preferably takes place as the scoop element (2) is being brought into the water. The venting means (10) are arranged on the bucket base and/or bucket wall(s).