基于分时叠加的机场沥青道面结构设计方法
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同济大学道路与交通工程教育部重点实验室,同济大学道路与交通工程教育部重点实验室,同济大学道路与交通工程教育部重点实验室

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V351.11

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Structural Design Method of Airport Asphalt Pavements Based on Time sharing Cumulation
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Key Laboratory of Road and Traffic Engineering of the Ministry of Education, Tongji University,,

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    摘要:

    现有机场沥青道面结构设计方法以损伤的线性叠加为基础,各结构层采用单一模量进行设计,未考虑材料的季节变化和衰变特性.鉴于此,提出了分时叠加的设计思想,分阶段考虑环境因素、交通荷载和结构性能衰变对沥青道面结构层厚度的影响.基于分时叠加原理,给出了环境因素和性能衰变影响下各层材料模量的预估模型,建立了相应的设计指标和标准,通过整理和对比推荐了合理的使用性能预估模型,最终形成了完整的基于分时叠加的机场沥青道面结构设计方法.

    Abstract:

    The conventional design method of airport asphalt pavement doesn’t take seasonal changes and decay characteristic into account, as a result, the linear cumulation based on the structure calculation with each structure layer using a single value of modulus is unreasonable. Therefore, the idea of time sharing cumulation is proposed to design asphalt pavements in different periods by taking the impacts of environmental factors, traffic loads and performance deteriorating on the design of airport asphalt pavement into consideration. Furthermore, based on the principle of time sharing cumulation, they are discussed as well, including modulus prediction models for different materials, design index and standard and performance prediction models to form a completely structural design method of asphalt concrete airport pavements based on time sharing cumulating which overcomes the shortcomings of the conventional method.

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赵鸿铎,邹益强,袁捷.基于分时叠加的机场沥青道面结构设计方法[J].同济大学学报(自然科学版),2014,42(7):1070~1076

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历史
  • 收稿日期:2013-08-23
  • 最后修改日期:2014-03-28
  • 录用日期:2014-01-15
  • 在线发布日期: 2014-06-23
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