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首页> 外文期刊>Romanian Journal of Transport Infrastructure >Ecological Solutions Applied to Hot Mix Asphalt
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Ecological Solutions Applied to Hot Mix Asphalt

机译：生态解决方案应用于热拌沥青

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Asphalt mixtures are composites materials made from blends of natural or artificial aggregates, filer and bitumen with well-established based dosages and appropriate technology with the purpose to determine a road material as sustainable as possible. After internationally and nationally studies, it has been demonstrated that it can successfully replace natural aggregates with steel slags, which by size-sorting and processing are the most appropriate in terms of physical and mechanical properties. Ecological asphalt mixtures obtained by replacing mineral aggregates with steel slag composition will enter the road structure, starting with the study for base coat. To evaluate the performance of asphalt mixtures in which natural aggregates are replaced with steel slag, the asphalt mixture will be studied for a base layer respectively AB 31.5 and will be made testing for three different recipes: asphalt mixture with 100% mineral aggregate, asphalt mixture in witch the mineral aggregates will be replaced with a proportion of 50% steel slag and asphalt mixture that will contain steel slags 100%. Laboratory tests will be done in the Laboratory of Roads in the Faculty of Railways, Roads and Bridges at Technical University of Civil Engineering Bucharest; the results will be detailed in tables and graphs, the findings will make assessments on the ecological performance of asphalt mixtures. Thereby will be determined the performance of asphalt mixtures with artificial versus conventional aggregates using the following tests: determination of bulk density, the volume of voids, Marshall characteristics and rigidity.
机译：沥青混合料是由天然或人工骨料，锉和沥青的混合物制成的复合材料，具有确定的基础剂量和适当的技术，目的是确定尽可能可持续的道路材料。经过国际和国内研究，已证明它可以成功地用钢渣代替天然骨料，而钢渣通过尺寸分选和加工在物理和机械性能方面是最合适的。用钢渣成分代替矿物骨料而获得的生态沥青混合物将从研究底漆开始进入道路结构。为了评估用天然钢骨代替天然骨料的沥青混合料的性能，将分别针对基础层AB 31.5研究沥青混合料，并对其进行三种不同配方的测试：含100％矿物骨料的沥青混合料，沥青混合料在巫婆中，矿物骨料将被比例为50％的钢渣和沥青混合物（其中的钢渣为100％）代替。实验室测试将在布加勒斯特土木工程技术大学的铁路，公路和桥梁学院的道路实验室中进行;结果将在表格和图表中详细说明，研究结果将评估沥青混合料的生态性能。因此，将使用以下测试确定人造和传统集料的沥青混合料的性能：堆积密度，空隙体积，马歇尔特性和刚度的确定。

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