| 考虑水平荷载的公路隧道复合式路面表面拉应力分析 |
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| 引用本文： | 杨群,郭忠印,陈立平.考虑水平荷载的公路隧道复合式路面表面拉应力分析[J].公路交通科技,2006,23(1):16-19. |
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| 作者姓名： | 杨群 郭忠印 陈立平 |
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| 作者单位： | 1. 同济大学,道路与交通工程教育部重点实验室,上海,200092
2. 浙江省交通规划设计研究院,浙江,杭州,310006 |
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| 摘 要： | 针对目前隧道复合式沥青路面表面出现受拉破坏的现象,为了揭示沥青层表面破坏的力学机理,运用三维有限元方法建立隧道复合式路面结构与荷载模型,分析垂直荷载与水平荷载综合作用下沥青层表面的拉应力,得出了影响沥青层表面拉应力的影响因素。并据此提出延长隧道复合式路面使用寿命的措施。
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| 关 键 词： | 隧道复合式路面 三维有限元 水平荷载 模量 疲劳寿命 |
| 文章编号： | 1002-0268(2006)01-0016-04 |
| 收稿时间： | 2004-12-06 |
| 修稿时间： | 2004年12月6日 |
Stress Analysis of Compound Pavement in Road Tunnel Considering Level Loads |
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| YANG Qun,GUO Zhong-yin,CHEN Li-ping.Stress Analysis of Compound Pavement in Road Tunnel Considering Level Loads[J].Journal of Highway and Transportation Research and Development,2006,23(1):16-19. |
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| Authors: | YANG Qun GUO Zhong-yin CHEN Li-ping |
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| Institution: | 1. Key Laboratory of Road and Traffic Engineering of the Ministry of Education, Tongji University, Shanghai 200092, China; 2.Traffic Plan and Design Academe of Zhejiang Province, Zhejiang Hangzhou 310006, China |
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| Abstract: | Aiming at the phenomenon of surface damage of compound asphalt pavement in road tunnel, to find out the damage mechanism of compound pavement, the authors analyze the stress on the surface of the compound pavement in road tunnel, taking full consideration of the combined effect of vertical and level load and using three-dimension finite method, as well as impact factors on the surface stress on the based of which, some methods to increase the service life of compound pavement in road tunnel are proposed. |
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| Keywords: | Compound pavement in road tunnel Three-dimension finite method Level load Modulus Fatigue life |
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