Investigation of indoor and field tests on asphalt pavement with inverted asphalt layers based on the vertical vibration compaction method  

作　　者：Yong Yi Yingjun Jiang Tian Tian Yu Zhang Jiangtao Fan Chenfan Bai Changqing Deng 

机构地区：[1]Key Laboratory for Special Area Highway Engineering of Ministry of Education,Chang'an University,Xi'an 710064,China [2]School of Civil and Architectural Engineering,Yangtze Normal University,Fuling 408i00,China [3]College of Urban and Rural Construction,Shaoyang University,Shaoyang 422000,China

出　　处：《Journal of Road Engineering》2024年第4期478-489,共12页道路工程学报（英文）

基　　金：supported by Shaanxi Province Innovation Capacity Support Program (2022TD-06);Transportation Industry Key Science and Technology Projects (2021-MS1-011);the Science and Technology Project of the Shaanxi Provincial Department of Transportation (20-02K);the Scientific Project from Henan Provincial Communication (2021-2-8)。

摘　　要：An inverted asphalt pavement is created by reversing the sequence of the lower and middle layers in a conventional asphalt pavement. The lower layer is composed of material with larger particle size and lower asphalt content, which improves its ability to withstand deformation caused by rutting. On the other hand, the middle surface has a higher asphalt content, specifically designed to resist fatigue cracking. This paper examines the mechanical response of two pavement structures and investigates the potential of two measures, inverted asphalt pavement and asphalt mixture design by vertical vibration compaction method(VVCM), in reducing stresses and stress levels in asphalt pavements. Additionally, a large thickness rutting and fatigue test method was developed to study the rutting resistance and fatigue life of the pavement structures, and to construct rutting deformation and fatigue life prediction models. Finally, test sections were paved to verify the feasibility of the inverted pavement and VVCM materials. The findings show that inverted pavement and VVCM materials have a minimal impact on pavement stress, but can reduce pavement shear and tensile stress levels by up to 18%–25%.Furthermore, inverted pavement and VVCM materials have positive effects on improving the rutting resistance and fatigue life of asphalt pavements.

关 键 词：Asphalt pavement Inverted asphalt layer Asphalt pavement structure Fatigue performance Vertical vibration compaction method 

分 类 号：U416.217[交通运输工程—道路与铁道工程]