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I. Gaweł, L. Ślusarski



Reutilization of spent tyre scrap rubber for modification of asphalt


Polimery 1998, No 5, 280


DOI: dx.doi.org/10.14314/polimery.1998.280


Summary

Of the several practical methods of utilization of rubber scrap, the modification of asphalt with crumb rubber deserves special attention especially that several problems concerning rubber-modified asphalt still remain unresolved. The state of art is reviewed, covering reuse of rubber scrap in road construction (preparation of a rubber modifier, dry and wet methods of asphalt modification, properties of rubber-modified asphalts). Recycled rubber can serve as a substitute for the more expensive polymers used to modify asphalts. Rubber-modified asphalts endow the road surface with better service properties. Legal regulations and state-stimulated economic incentives are now required.


Keywords: asphalt, crumb rubber modifier, recycling of spent tyres, environment al protection, modification of asphalt with scrap tyre rubber


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