西南交通大学学报 2009, 44(2) 147-154 DOI:     ISSN: 0258-2724 CN: 51-1277/U

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本文关键词相关文章
沥青路面
高寒地区
路用性能
试验路
有限元分析
本文作者相关文章
邱延峻
艾长发
黄兵
兰波
PubMed
Article by QIU Yanjun
Article by AI Changfa
Article by HUANG Bing
Article by LAN Bo

高寒地区沥青路面结构适应性

邱延峻1, 艾长发1, 黄兵2, 兰波2

1. 西南交通大学土木工程学院, 四川, 成都, 610031;
2. 四川省交通厅, 四川, 成都, 610041

摘要

在广泛的路面调查基础上,结合数值计算分析,提出了柔性结构、倒装结构、全厚式结构和复合结构等几种新型路面结构形式,并通过郎川公路改建工程试验路进行了验证,证明了高寒地区路面结构适应性设计采用柔性基层的有效性,并推荐了高寒地区沥青路面优选结构.

关键词 沥青路面   高寒地区   路用性能   试验路   有限元分析  

Field Investigation and Structural Integrity of Asphalt Pavement in Cold Regions

QIU Yanjun1, AI Changfa1, HUANG Bing2, LAN Bo2

1. School of Civil Eng., Southwest Jiaotong University, Chengdu 610031, China;
2. Sichuan Provincial Communi-cations Department, Chengdu 610041, China

Abstract:

Severe weather and weak environment have a significant influence on the long term performance of asphalt pavement structures in the Tibet Plateau and surrounding areas such as west Sichuan,north Yunnan and Qinghai Province.Current design specification based on the calibration of field investigation of pavement in inland areas is not sufficient to produce a sound pavement design.Based on computer simulation and comprehensive field investigation of asphalt pavements in the Tibet Plateau and surrounding provinces,several new types of asphalt pavement structures were proposed and a test road section was constructed and instrumented to monitor pavement performance.The research results show that flexible base layer should replace semi-rigid base layer to produce sound asphalt pavements with a long term performance,especially in cold regions.

Keywords: asphalt pavement   cold region   pavement performance   test road   FEM(finite element method)  
收稿日期 2008-07-07 修回日期  网络版发布日期  
DOI:
基金项目:

交通部西部交通建设科技项目(200431800054)

通讯作者:
作者简介: 邱延峻(1966- ),男,教授,博士生导师,研究方向为路基路面工程,电话:028-66366340,13808189391,E-mail:publicqiu@vip.163.com

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