基于分时叠加的机场沥青道面结构设计方法
发布时间:2018-07-22 16:56
【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 design method of the existing airport asphalt pavement structure is based on the linear superposition of damage, and the structural layers are designed with a single modulus without considering the seasonal variation and decay characteristics of the material. In view of this, a design idea of time-sharing superposition is put forward, and the environmental factors, the cross load and the structural performance decay are considered in stages to the asphalt pavement structure layer. Based on the principle of time division superposition, the prediction model of the material modulus of each layer under the influence of environmental factors and performance decay is given. The corresponding design indexes and standards are set up. The reasonable use performance prediction model is recommended by collation and comparison. Finally, a complete design of airport asphalt pavement structure based on time division superposition is formed. Method.
【作者单位】: 同济大学道路与交通工程教育部重点实验室;
【分类号】:U416.217
本文编号:2138134
[Abstract]:The design method of the existing airport asphalt pavement structure is based on the linear superposition of damage, and the structural layers are designed with a single modulus without considering the seasonal variation and decay characteristics of the material. In view of this, a design idea of time-sharing superposition is put forward, and the environmental factors, the cross load and the structural performance decay are considered in stages to the asphalt pavement structure layer. Based on the principle of time division superposition, the prediction model of the material modulus of each layer under the influence of environmental factors and performance decay is given. The corresponding design indexes and standards are set up. The reasonable use performance prediction model is recommended by collation and comparison. Finally, a complete design of airport asphalt pavement structure based on time division superposition is formed. Method.
【作者单位】: 同济大学道路与交通工程教育部重点实验室;
【分类号】:U416.217
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