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长寿命柔性路面技术的探讨与应用

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Keywords: 道路工程,长寿命柔性基层路面,试验研究,结构组合,材料组成,层间处治

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Abstract:

分析了长寿命柔性沥青路面的结构行为理论.路面结构组合设计采用沥青层底拉应变和路基顶面压应变指标来控制沥青路面的疲劳寿命;材料组成设计主要是针对路面结构抗车辙性能和耐疲劳性能等方面,以提高沥青混凝土路面的长期使用性能为目的;增强层间结合力有助于改善沥青路面结构层间界面力学特性,从而保证路面结构层间连续.通过工程实体验证、寿命周期费用分析表明长寿命柔性基层路面的技术和经济效益显著,值得推广应用.

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