WOOD-MARBLE-CEMENT MIXTURE Russian patent published in 2015 - IPC C04B28/04 C04B16/06 C04B111/20 

FIELD: construction.

SUBSTANCE: wood-marble-cement mixture to manufacture heat insulating and structural construction materials contains polypropylene fibres with length 8-30 mm and diameter 0.08-0.3 mm as nonorganic addition, and marble is used with particles size 10 mcm maximum, including up to 0.02% of particles with size below 0.5 mcm, including nanoparticles, at the following ratio of components, wt %: Portland cement 38-39, construction killed hydrated lime 4-5, softwood sawdust 43.6-45.6, micro marble 4-5, liquid glass 6-7.5, calcium chloride 2.3-4.3, polypropylene fibres 0.1-0.2, at that water additives to the said mixture is made to receive water-cement ratio 0.8-1.2.

EFFECT: increased strength and ecological properties of material out of suggested mixture.

2 tbl