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Performance evaluation of bitumen modified by various types of waste plastics

机译：各种废塑料改性沥青的性能评估

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This study investigates the performance of bitumen modified by three groups of waste plastics (window, blinds and cable wastes) based polyvinyl chloride (PVC). Ten modified with the modifier content 1%, 3%, 5% and pure bitumens were tested and characterized in accordance with the Superpave performance grading (PG) system. The experimental tests performed in the study were conventional tests, rotational viscosity (RV), dynamic shear rheometer (DSR) and bending beam rheometer (BBR) tests. The obtained results showed that the addition PVC window and blinds wastes in the amount of 1-3% improved performance of modified bitumens at high temperatures. Despite the advantages of window waste and blinds waste additives on modified bitumen performance at high temperatures, at low temperatures performance of bitumen was not affected by these modifiers. Only cable wastes in the amount of 5% improved performance of bitumen at low temperatures. Based on the results of this investigation it can be noted that optimum usage of the waste plastics as modifier in bitumen were determined as in the amount of 3% window wastes.
机译：这项研究调查了三组基于废塑料（窗户，百叶窗和电缆废料）的聚氯乙烯（PVC）改性沥青的性能。根据Superpave性能分级（PG）系统测试并表征了10种改性剂，改性剂含量分别为1％，3％，5％和纯沥青。在这项研究中进行的实验测试是常规测试，旋转粘度（RV），动态剪切流变仪（DSR）和弯曲梁流变仪（BBR）测试。获得的结果表明，添加1-3％的PVC窗户和百叶窗废物提高了改性沥青在高温下的性能。尽管窗户废料和百叶窗废料添加剂在高温下具有改进的沥青性能的优点，但在低温下沥青的性能不受这些改性剂的影响。在低温下，只有5％的电缆废料可以改善沥青的性能。基于这项研究的结果，可以注意到，确定废塑料作为改性剂在沥青中的最佳用量为3％的窗户废料。

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