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Material and Cost Solutions Used for Construction of Upper Layers of the Road Pavement Structures

机译:用于道路路面结构上层施工的材料和成本解决方案

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Availability and variety of materials and technologies used for construction of roads allows for searching for solutions which are the best and optimal in the economical range. The article presents the analysis of various design solutions (susceptible, semi-rigid, and rigid pavements) depending on material and cost solutions. In case of susceptible and semi-rigid pavements the first layer subjected to direct influence of traffic and weather conditions is the grindable layer. It may be made from various mineral and asphalt mixtures: stone mastic asphalt (SMA), asphalt concrete (AC), porous asphalt (PA), asphalt concrete for very thin layers (BBTM), and mastic asphalt (MA). The costs of realization of 4 cm of the grindable layer vary from 40.37 PLN to 50.65 PLN (1 PLN = 0.26 USD) depending on used mixture. Another layer in the susceptible and semi-rigid pavements is the binding layer, and the realization cost per 1m~2 of the binding layer e.g. of type B is from 53.46 PLN to 71.37 PLN depending on used mixture and traffic category. The materials used for realization of the binding layer are the mineral and asphalt mixtures, in particular the asphalt concrete of three recommended graining - AC 11, AC 16, and AC 22. The material and cost optimization of the typical solutions of the pavement design, taking all layers into consideration, allowed for determining the "economical" solutions not only for a given traffic category, but also for a given type. Savings in case of the same design types are from approximately 11 PLN to over 12 PLN for the susceptible and semi-rigid design, and from 0.39 PLN to 0.49 PLN in case of realization of 1 m~2 of the rigid design.
机译:用于道路建设的材料和技术的可用性和多样性允许寻找经济范围内最佳和最佳的解决方案。本文介绍了根据材料和成本解决方案对各种设计解决方案(易感,半刚性和刚性路面)的分析。在易受影响和半刚性路面的情况下,受到交通和天气状况直接影响的第一层是可磨削层。它可以由各种矿物和沥青混合物制成:石乳香沥青(SMA),沥青混凝土(AC),多孔沥青(PA),非常薄层的沥青混凝土(BBTM)和乳香沥青(MA)。根据使用的混合物,实现4厘米可磨层的成本从40.37 PLN到50.65 PLN(1 PLN = 0.26 USD)不等。易感和半刚性路面中的另一层是粘合层,粘合层每1m〜2的实现成本例如为类型B的费用从53.46 PLN到71.37 PLN,具体取决于使用的混合物和交通类别。用于实现粘结层的材料是矿物和沥青混合物,尤其是三种推荐的纹理的沥青混凝土-AC 11,AC 16和AC22。路面设计的典型解决方案的材料和成本优化,考虑到所有层次,不仅可以为给定的流量类别,还可以为给定的类型确定“经济”解决方案。在相同设计类型的情况下,对于敏感和半刚性设计,可节省大约11 PLN到12 PLN以上的费用;在实现1 m〜2的刚性设计时,可节省0.39 PLN到0.49 PLN的费用。

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