MULTILAYER COMBINED ROAD SURFACE AND METHOD OF PRODUCING MULTILAYER COMBINED ROAD SURFACE Russian patent published in 2017 - IPC E01C7/00 B32B11/00 

FIELD: construction.

SUBSTANCE: multilayer combined road surface consisting of an active slag mixture and crushed stone is described, characterized in that the surface comprises four layers consisting of the first layer, based on crushed stone of fraction 20*60 mm, with a layer height of 250-500 mm, the second layer, on the basis of crushed stone fraction 10*20 mm, with a layer height of 100-300 mm, the third layer, on the basis of crushed stone fraction 5*10 mm, with a layer height of 50-200 mm, finishing layer, on the basis of active slag mixture, containing crushed stone fraction 0*5 mm, with a layer height of 10-50 mm. Crushed stone is a homogeneous material, which is a by-product of converter production. A method for obtaining a combined road surface is also described.

EFFECT: multilayer composite surface is obtained, which withstands high mechanical loads.

6 cl, 1 dwg