Optimization of Semi-rigid Pavement Structures of LSPM Lower Layer Based on Fatigue Life Increasing

doi:10.3969/j.issn.1674-0696.2020.12.13

Journal of Chongqing Jiaotong University(Natural Science) ›› 2020, Vol. 39 ›› Issue (12): 80-87.DOI: 10.3969/j.issn.1674-0696.2020.12.13

• Highway & Railway Engineering • Previous Articles Next Articles

Optimization of Semi-rigid Pavement Structures of LSPM Lower Layer Based on Fatigue Life Increasing

YUAN Gaoang1, LI Dewen2, PAN Junli2, HAO Peiwen1

(1. Key Laboratory of Road Structure and Material of MOC, Changan University, Xian 710064, Shaanxi, China; 2. Shaanxi Provincial Communication Construction Group Co., Ltd., Xian 710075, Shaanxi, China)

Received:2019-05-23 Revised:2019-08-29 Online:2020-12-18 Published:2020-12-18
Supported by:

基于疲劳寿命递增的LSPM下面层半刚性路面结构优选

袁高昂1，李德文2，潘军利2，郝培文1

(1. 长安大学道路结构与材料交通行业重点实验室，陕西西安 710064； 2. 陕西省交通建设集团公司，陕西西安 710075)

作者简介:袁高昂（1989—），男，河南南阳人，博士研究生，主要从事道路材料与结构工程方面的研究。E-mail: ygaang@163.com 通信作者：郝培文（1967—），男，内蒙古和林人，教授，博士，主要从事道路材料与结构工程方面的研究。E-mail: pwhao@chd.edu.cn
基金资助:
陕西省交通运输厅交通科技项目（17-13K）

Abstract

Abstract: Fatigue life is a key factor affecting the durability of pavement structure. The pavement structure with increasing life needs to meet the requirements of good bearing capacity of pavement structure and only functionalize its surface layer, so as to achieve the design goal of long-life durability asphalt pavement structure. Through theoretical calculation and statistical analysis, the relationship between fatigue life and structural layer parameters of asphalt pavement structure layer were discussed, and the influence of different factors on the fatigue life of large stone porous asphalt mixes (LSPM) pavement structure was analyzed. The prediction model of pavement structure fatigue life was proposed. Based on the differences of climate and traffic conditions in Shaanxi province, the combination types and material parameters of LSPM asphalt pavement with increasing life in different regions of Shaanxi province were put forward.

Key words: highway engineering, large stone porous asphalt mixes(LSPM), life increasing, pavement structure combination, material type, fatigue life

摘要： 疲劳寿命是影响路面结构耐久性的关键因素，寿命递增的路面结构需在满足路面结构良好的承载力要求下，仅对其表面层进行功能化，从而实现耐久性长寿命沥青路面结构的设计目标。通过理论计算及统计分析，探讨沥青路面结构层的疲劳寿命与结构层参数之间的关系，分析不同因素对大粒径透水沥青混合料路面结构疲劳寿命的影响，提出路面结构疲劳寿命的预估模型；并基于陕西地区的气候交通条件差异，提出陕西不同地区寿命递增的LSPM沥青路面结构组合类型和材料参数。

关键词: 道路工程, 大粒径透水沥青混合料, 寿命递增, 路面结构组合, 材料类型, 疲劳寿命

CLC Number:

U416. 217

YUAN Gaoang1, LI Dewen2, PAN Junli2, HAO Peiwen1. Optimization of Semi-rigid Pavement Structures of LSPM Lower Layer Based on Fatigue Life Increasing[J]. Journal of Chongqing Jiaotong University(Natural Science), 2020, 39(12): 80-87.

袁高昂1，李德文2，潘军利2，郝培文1. 基于疲劳寿命递增的LSPM下面层半刚性路面结构优选[J]. 重庆交通大学学报（自然科学版）, 2020, 39(12): 80-87.

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Optimization of Semi-rigid Pavement Structures of LSPM Lower Layer Based on Fatigue Life Increasing

基于疲劳寿命递增的LSPM下面层半刚性路面结构优选

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