期刊
ADVANCES IN MATERIALS SCIENCE AND ENGINEERING
卷 2021, 期 -, 页码 -出版社
HINDAWI LTD
DOI: 10.1155/2021/6687183
关键词
-
资金
- National Natural Science Foundation of China [11972285, 11872300, 11572245]
- Natural Science Foundation of Shaanxi Province [2013JQ1008]
This paper establishes the vibration equation of a tunnel structure in viscous soil, investigates the effects of soil viscosity on tunnel vibration characteristics, and discusses the influences of tunnel radius, wall thickness, and length on vibration characteristics.
Based on research on subway tunnels in a viscous soil medium, this paper establishes the vibration equation of a tunnel structure by using the theory of moderately thick cylindrical shells and the method of wave propagation. The soil around the tunnel is represented in simplified form as an isotropic viscoelastic medium to obtain the equation of motion of the soil, and the vibration control equation of the tunnel under the influence of viscous soil is obtained by coupling. By numerical calculations, the variation trends in the natural vibration frequency of the tunnel and attenuation affected by soil viscosity under different modes are given. Furthermore, the influences of the tunnel radius, wall thickness, and length on the vibration characteristics of a tunnel structure in viscous soil are discussed. This study will provide a reference for the design of subway vehicles and the antivibration design of subway tunnel structures.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据