COMPARATIVE EVALUATION OF BND 50/70 ROAD BITUMEN MODIFIED WITH SKEPT-60 AND SKN-26 ELASTOMERS

E.А.Guseinova, V.A.Mammadova, X.Ch.Abıyev

The article provides information on the physical and mechanical properties of polymer-bitumen compositions obtained by modifying road bitumen BND 50/70 with elastomers SKEPT-60 and SKN-26 and determination of the obtained polymer-bitumen composites. The properties of composite samples of various concentrations (2.5, 3.0, 5.0%, 6.5 and 7.0%) were determined: needle depth, softening, brittleness and flash point, stretching and adhesion. It was determined that the physical and mechanical characteristics of polymer-bitumen composite materials obtained at high concentrations (6.5, 7.0%) are improved

doi.org/10.32737/0005-2531-2021-4-12-19

Keywords : modification, bitumen, elastomer, road bitumen, kieselgur, solvent, polymer-bitumen binder, physical and mechanical properties, penetration index

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№3 2026

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