BITUMEN/MINERAL OPENED MIXTURE Russian patent published in 2006 - IPC C04B26/26 E01C7/08 

FIELD: motor road building and refreshment, in particular production of pavement coarse layers.

SUBSTANCE: claimed mixture contains (mass %): chipping of at most 15 mm grade 65-75; chipping breakage screening of 0-5 mm grade 17.0-23.5; mineral powder 3.0-5.0; bitumen 4.4-5.5; polymeric reinforcing additive 0.4-0.6; and black oil as plasticizer 0.2-0.5. Abovementioned polymeric reinforcing additive represents waste from pipeline waterproofing, namely waste from two layered waterproofing band of shrinkage material containing layer of adhesively active composition of melt adhesive based on polyethylene/vinyl acetate copolymer and layer of irradiation radiation cross-linked polyethylene irradiated with electron beam and coated with hot melt adhesive.

EFFECT: mixture of increased resistance, water resistance, and decreased swelling limit.

1 cl, 5 tbl, 1 ex