CAST ROAD CONCRETE MIX FOR BRIDGE SIDEWAY COVERING Russian patent published in 2008 - IPC C04B26/26 

FIELD: construction.

SUBSTANCE: cast road concrete mix for bridge sideway covering includes mineral components such as ballast stone, mineral powder and binding agent. It also includes additional mineral component - sand resulted from rock granulation screening, and polymer bitumen as binding agent, wt %: bitumen "BND90/130" - 87-91%, styrene-butadiene-styrene block-copolymer "Kraton D-1101SM" - 9-13%, under the following ratio of components, wt %: ballast sand - 8-12, sand resulted from granulation screening - 35-42, sand - 14-19, mineral powder - 19-26, sand resulted from granulation screening - 9-15.

EFFECT: high long-term operational characteristics of covering meeting all requirements.

3 tbl, 3 ex, 2 dwg