COMPOSITE STRUCTURE Russian patent published in 2008 - IPC B32B11/02 E02B17/00 E04B1/92 C04B26/26 

FIELD: construction.

SUBSTANCE: building structure includes two faceplates where the said two faceplates are placed on each side of solid-state composition which contains solid particles in amounts of 90 to 96% of overall solid-state composition mass and 10 to 4% of asphaltenes mass containing binding substance which includes 15 to 95% of asphaltenes mass from binding substance total amount. The asphaltenes contain not less than 60% of aromatic carbon mass and 5 to 85% of other carbons mass from binding substance total amount. The said binding substance has penetration below 15 dmm measured at 25°C. Also structural pre-fabricated panel with two faceplates is defined.

EFFECT: structural strength and high impact toughness.

8 cl, 1 tbl, 4 ex