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CRUMB RUBBER MODIFIED BITUMEN. OTHER WAY TO RECYCLE

机译:面包屑橡胶改性的沥青。回收的其他方式

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Use of grinded crumb rubber (CR) is a technology which is being used for already 40 years. However, the introduction of European Directives in Spain has generated an important awareness as far as recycling and exploitation of this residue in road construction is concerned. Probisa has a long tradition in this investigation field: studies of bituminous mixes carried out both using the dry and the humid way. Based on its experience, Probisa has developed a wide range of polymer modified bituminous binders exclusively resulting from CR. Besides the intrinsic characteristics of the binder, special attention has been paid to its viscosity to obtain bituminous mixes which can be handled under the same conditions as conventional PMB. In this way, they are coherent with the ecoefficiency objective, aimed at in all recycling processes. The paper also deals with limitations of current empirical test methods when it comes to quantifying characteristics of bituminous binders. As an alternative, a methodology based on functional behaviour tests is proposed.
机译:磨碎的胶粒(CR)的使用已经使用了40年。但是,就道路建设中的残留物的回收和利用而言,在西班牙引入欧洲指令已经引起了重要的认识。 Probisa在该研究领域具有悠久的传统:使用干燥和潮湿方式进行沥青混合物的研究。基于其经验,Probisa开发了多种由CR独家生产的聚合物改性沥青粘合剂。除了粘合剂的固有特性外,还特别注意了其粘度以获得可在与常规PMB相同的条件下处理的沥青混合物。通过这种方式,它们与旨在实现所有回收过程的生态效率目标相一致。本文还讨论了当前经验测试方法在量化沥青粘合剂特性方面的局限性。作为替代方案,提出了一种基于功能行为测试的方法。

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