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基于离析率的沥青路面工程支付方式研究

Keywords: 道路工程,费用调整,离析率,工程支付

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Abstract:

为有效提高沥青混合料路面修筑质量,基于沥青面层的离析现象与沥青路面早期损坏的分布特征具有相似性,提出将面层离析率作为沥青路面质量控制的指标之一;通过总结国内外的研究成果提出沥青面层离析的检测方法和指标,在沥青混合料离析分类和离析对路面质量的影响程度的基础上,给出了沥青面层离析率的计算方法。借鉴国外先进工程管理理念和方法,论述了沥青路面工程验收采用激励式的工程支付调节方式的合理性;分析了费用调整(PA)的基本原理和过程,通过评估路面寿命与离析率的关系模型建立了基于离析率与支付之间的关系,并分析了拒绝离析率水平(RSL)和付款因子(PF)的合理范围,提出了实施费用调整的指导方法。

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