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Reuse of bituminous pavements: A mini-review of research, regulations and modelling

机译：沥青路面的再利用：研究，法规和模型的简要回顾

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Bituminous pavement can be recycled - even multiple times - by reusing it in new bituminous mixtures. If the mechanical properties of the binder get worse, this reclaimed asphalt is often used in the sub-structure of the road. Apparently, up till now, no end-of-life phase exists for the material. Actually, defining the end-of-life and the end-of-waste stage of a material is important for life cycle assessment modelling. Various standards and scientific studies on modelling life cycle assessment are known, but the crucial stages are not yet defined for reclaimed asphalt pavement. Unlike for iron, steel and aluminium scrap, at this moment, no legislative end-of-waste criteria for aggregates are formulated by the European Commission. More research is necessary in order to develop valuable end-of-life criteria for aggregates. This contribution is a mini-review article of the current regulations, standards and studies concerning end-of-life and end-of-waste of reclaimed asphalt pavement. The existing methodology in order to define end-of-waste criteria, a case study on aggregates and the argumentation used in finished legislative criteria are the basis to clarify some modelling issues for reclaimed asphalt material. Hence, this contribution elucidates the assignment of process environmental impacts to a life cycle stage as defined by EN15804, that is, end-of-life stage (C) and the supplementary information Module D with benefits and loads beyond the system boundary.
机译：通过将沥青路面重新用于新的沥青混合物中，甚至可以多次使用。如果粘合剂的机械性能变差，则该再生沥青通常用于道路的下部结构中。显然，到目前为止，该材料还没有寿命终止阶段。实际上，定义材料的寿命终止和废物终止阶段对于生命周期评估建模很重要。已知有各种模型和生命周期评估模型的科学研究，但是对于再生沥青路面尚未确定关键阶段。目前，与铁，钢和铝废料不同，欧洲委员会没有制定有关骨料的立法废料标准。为了为骨料制定有价值的报废标准，必须进行更多的研究。该文章是有关再生沥青路面寿命和废料的现行法规，标准和研究的缩影。为了定义报废标准，采用现有的方法，对骨料进行案例研究以及最终立法标准中使用的论据，是澄清再生沥青材料某些建模问题的基础。因此，此贡献阐明了将过程环境影响分配给EN15804所定义的生命周期阶段，即寿命终止阶段（C）和补充信息模块D的好处和负担超出系统范围。

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