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   Main Goals:

  • Modification and development of equipment for high-energy grinding of crushed rubber;*

  • Development of stable asphalt binders modified with crushed rubber (CRmB, MRmB) with emphasis on sufficient functional characteristics and especially product homogeneity during storage;

  • Development of innovative solutions for various types of acoustic asphalt layers or systems usable in urban and suburban areas of cities and municipalities.**

* Equipment and production process must allow simultaneous grinding and mixing of vulcanized or devulcanized rubber with suitable chemical additives or plasticizers, as well as in the final stage of mixing rubber with additives and asphalt binder in one step

** Based on foreign knowledge, it is expected to gradually develop our own solutions, especially for abrasive pavement layers.

   Achieved results of the project solution

  • High-energy grinding equipment for the production of rubber microgranulate - utility model

        Achieving results March 2013

  • High-energy grinding equipment for the production of rubber microgranulate prototype

      Achieving results March 2013

  • Knives for grinding and activating rubber powder and microgranulate - patent

      Achieving result August 2014

  • Modified and additive microgranulates (TA02030639V002) - utility model

      Achievement result June 2013

  • Asphalt binder modified with microgranulate (MRmB) - proven technology 

       Achievement result December 2013

  • Methodology for noise measurement of laboratory samples of acoustic asphalt layers - utility model

       Achievement result June 2014

  • Methodology for noise measurement of laboratory samples of acoustic asphalt layers - certified methodology

       Achievement result December 2014

  • Asphalt mixtures for acoustic abrasive layers of roads - proven technology

       Achievement result September 2012 and June 2013

  • Technical regulation for acoustic asphalt layers - methodology

        Achievement result December 2014

Obrazek2.jpg

Durable Acoustic Asphalt

Project coordinator: Faculty of Civil Engineering CTU in Prague

ID: TA020306369

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