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首页> 外文期刊>The international journal of pavement engineering >An optimum selection strategy of reflective cracking mitigation methods for an asphalt concrete overlay over flexible pavements
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An optimum selection strategy of reflective cracking mitigation methods for an asphalt concrete overlay over flexible pavements

机译：柔性人行道沥青混凝土面层反射裂缝缓解方法的优选策略。

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Reflective Cracking (RC) has been a daunting challenge in pavement maintenance and rehabilitation (M&R), yet, still, after several decades of research, no exclusive solution prevails. Moreover, RC mitigation methods have shown significant variation in in situ performance. Therefore, a technique tailored to select an effective RC mitigation method is essential for the success of pavement M&R. In this study, a life cycle cost (LCC) and multi-criteria decision-making (MCDM) analyses were conducted to evaluate the effectiveness of currently available RC mitigation methods and to select the optimal method for an asphalt concrete overlay above flexible pavements. The MCDM includes three components: LCC, performance, and materials (recyclability). These criteria determine the selection ranking of each RC mitigation method. In addition, the effects of the priority level including cost, performance, and recyclability on the final decision were evaluated by conducting a series of sensitivity analysis under multiple scenarios; therefore, weight combination of the three criteria were recorded to define the measurements affecting the final decision.
机译：反射裂缝（RC）在路面维护和修复（M＆R）中一直是一项艰巨的挑战，然而，经过数十年的研究，仍然没有解决之道。此外，RC缓解方法已显示出原位性能的显着变化。因此，量身定制一种有效的RC缓解方法的技术对于路面M＆R的成功至关重要。在这项研究中，进行了生命周期成本（LCC）和多准则决策（MCDM）分析，以评估当前可用的RC缓解方法的有效性，并为柔性路面上方的沥青混凝土外覆层选择最佳方法。 MCDM包含三个组件：LCC，性能和材料（可回收性）。这些标准确定每种RC缓解方法的选择等级。此外，通过在多种情况下进行一系列敏感性分析，评估了优先级级别（包括成本，性能和可回收性）对最终决策的影响；因此，记录了三个标准的权重组合以定义影响最终决策的度量。

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