Building material for e.g. foundations comprises a self-hardening mixture rock granules, gravel, silt, clay materials and recycling material, an additive material functioning as a binder and a biodegradable additive material

摘要

Building material comprises a self-hardening mixture rock granules, gravel, silt, clay materials and recycling material, an additive material functioning as a binder and a biodegradable additive material.