COLD METHOD FOR PRODUCING EXTRA STRENGTH STONE MASTIC ASPHALT CONCRETE FOR REPAIRING AND SETTING UP LAYERS OF ROAD SURFACE Russian patent published in 2017 - IPC C08L95/00 C04B26/26 E01C7/20 E01C7/24 B82Y30/00 

FIELD: transportation.

SUBSTANCE: method involves preparing a mixture with use of mineral material in the form of rock rubble, sand residues of rock rubble, and mineral powder by means of mixing them with cement and bitumen emulsion, with the subsequent coating of the road surface with the mix and its packing. The mixing is done by successively introducing the following components to the cold mineral material, wt %: cement - 3.0-6.0, nanopolymeric water soluble additive with the particle size of 50-300 nm, a latex containing styrene-based copolymer with polar monomers or butadiene, acrylic or methacrylic acid as dry matter - 0.1-0.5, nonionic surfactants from theethoxylated higher fatty alcohols or alkylphenols class - 0.05-0.1, cationic bitumen emulsion as bitumen - 3.0-5.0.

EFFECT: improved physical and mechanical properties of asphalt pavement and better eco-friendliness of the process.

4 tbl, 7 ex