Clogging material and process for manufacturing the same

摘要

A binding and filling material consisting of a mixture of granules of max. size 10 mm and of larger aggregates with specified 3D geometry formed from compacted clay powder. Also claimed is a process for manufacturing such a material by first compacting clay powder (10) into aggregates (15) with specified 3D geometry. A part of these aggregates (15) is broken up into max. 10 mm granules (29) and mixed with unbroken aggregates (15).