METHOD TO MAKE CRUSHED STONE AND MASTIC ASPHALT CONCRETE MIXTURE WITH ADDITION OF LIMESTONE GRINDING SIFTINGS OF BRAND 400 Russian patent published in 2011 - IPC C04B26/26 

FIELD: construction.

SUBSTANCE: method to produce crushed stone and mastic asphalt concrete mixture with addition of limestone grinding siftings of brand 400, includes preparation of crushed stone and mastic mixture to arrange upper layer of a coating, which consists of the following components, wt %: crushed stone of solid rocks - 72.5…73.5, viscous bitumen or PEV - 5.5…7.5 (over 100%). Besides, limestone grinding siftings of brand 400 are added into mineral part of asphalt concrete mixture in amount of 26.5…27.5 wt %.

EFFECT: higher ultimate crushing strength, water resistance ratio and lower water saturation.

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