Influence of Moving Aircraft Loads on Airport Tunnel

doi:10.3969 /j.issn.1674-0696.2012.02.12

Journal of Chongqing Jiaotong University(Natural Science) ›› 2012, Vol. 31 ›› Issue (2): 218-222.DOI: 10.3969 /j.issn.1674-0696.2012.02.12

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Influence of Moving Aircraft Loads on Airport Tunnel

Gao Feng¹，Fu Gang²，Hu Wenliang¹

1. Chongqing Key Laboratory of Mountain Road Structure ＆ Materials，Chongqing Jiaotong University，Chongqing 400074，China; 2. Chongqing Second Survey ＆ Design Institute of China Railway，Chongqing 400030，China

Received:2011-06-22 Revised:2011-09-12 Online:2012-04-15 Published:2014-10-31

移动飞机荷载对机场下部隧道的影响

高峰¹，付钢²，胡文亮¹

1. 重庆交通大学山区桥梁与隧道工程国家重点实验室培育基地，重庆400074; 2. 中铁二院重庆勘察设计研究院，重庆400030

作者简介:高峰( 1964 － ) ，男，浙江云和人，教授，博士生导师，主要从事隧道及地下工程方面的教学与研究工作。E-mail: gaofeng1964@163． com。
基金资助:
国家自然科学基金项目( 51178490 ) | 中铁二院科研基金项目( 2009 － 55 ) | 教育部高等学校博士学科点专项基金 ( 20095522110002) | 重庆市自然科学基金项目( CSTC，2008BB6066) | 重庆市教委科学技术研究项目( KJ090403)

Abstract

Abstract: Taking the construction of tunnel under the Chongqing airport，the dynamic responses of the tunnel under moving aircraft loads are analyzed by using the large finite element software ANSYS． Through the modal and transient computing analysis， the influence on tunnel can be got from the displacement and stress of the tunnel structure． The results show that the dynamic response of the tunnel structure has close relationship with the relative position of tunnel and aircraft． At the same time，the dynamic responses of the parts above arch waist are more remarkable than others．

Key words: airport, tunnel, moving plane load, dynamic response

摘要： 以重庆机场下穿隧道工程为背景，采用大型有限元软件ANSYS，计算分析了移动飞机荷载作用下，机场下部隧道结构的动力响应。通过模态及瞬态计算，从隧道结构的位移和应力方面，对飞机滑过隧道结构时对隧道的影响进行分析。结果表明: 隧道结构的动力响应大小与飞机隧道之间的相对位置关系密切| 飞机位于隧道正上方时结构响应最大，拱腰以上动力响应比拱腰以下较显著。

关键词: 机场, 隧道, 移动飞机荷载, 动力响应

CLC Number:

U453

Gao Feng，Fu Gang，Hu Wenliang. Influence of Moving Aircraft Loads on Airport Tunnel[J]. Journal of Chongqing Jiaotong University(Natural Science), 2012, 31(2): 218-222.

高峰，付钢，胡文亮. 移动飞机荷载对机场下部隧道的影响[J]. 重庆交通大学学报（自然科学版）, 2012, 31(2): 218-222.

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Influence of Moving Aircraft Loads on Airport Tunnel

移动飞机荷载对机场下部隧道的影响

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