ASPHALT-CONCRETE MIXTURE PRODUCTION METHOD Russian patent published in 2020 - IPC E01C19/10 

FIELD: construction.

SUBSTANCE: invention relates to construction of motor roads, namely to production of road construction materials, and can be used for construction and repair of aerodrome and road surfaces. Method of producing the asphalt-concrete mixture involves heating the mineral filler and asphaltic material and mixing them in a mixer. First, mineral filler is heated to working temperature, which is represented by a mixture of mineral materials which is rationally selected according to granulometric composition and volume and which has previously undergone required treatment steps and composition corresponding to the required asphalt-concrete mixture. Then asphaltic, which is represented by granulated bitumen binder in form of spherical granules with diameter of not less than 10 mm, mostly differing from each other in size by not more than 1.0 %, at ambient temperature, mineral filler fed into the mixer is placed, which is mixed with it during the time required to produce a homogeneous asphalt-concrete mixture.

EFFECT: high efficiency of the process and improved quality of the asphalt-concrete mixture.

1 cl, 1 dwg