Fillable material from a temporary self-hardening mixture including stone grains and/or excavated material useful as a filler for canals and drains has added density lowering flow improving foam

摘要

Fillable material from a temporary self-hardening mxture including stone grains and/or excavated material, one or more inorganic mineral binders and water. To the mixture is added a density lowering flow improving foam, and the resultant mixture can be used for spade filling.