Analysis of Temperature Field of the tunnel surrounding rock in cold regions

被引：4
|
作者：
Zhang, Huimei [1 ]
Cao, Haibo [1 ]
Zhang, Mengjun [1 ]
机构：
[1] Xian Univ Sci & Technol, Dept Mech, Xian 710054, Shaanxi, Peoples R China
来源：
MATERIALS PROCESSING AND MANUFACTURING III, PTS 1-4 | 2013年 / 753-755卷
关键词：
cold regions; tunnel surrounding rock; temperature field; frozen depth;
D O I：
10.4028/www.scientific.net/AMR.753-755.745
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Freeze-thaw disaster is an outstanding problem of geotechnical engineering in cold regions. The temperature field of tunnel surrounding rock in Qilian mountain Osaka hill was calculated according to the transient heat conduction differential equation, meanwhile the freezing conditions of tunnel surrounding rock was forecasted and analyzed after its opening. The study shows that the freeze-thaw environment has a great influence on the temperature distribution of surrounding rock. The tunnel wall and near the mouth of the cave area are more susceptible to the influence of the open ground temperature and air convection, thus the temperature changes violently, but the temperature distribution in surrounding rock tends to be dynamic stable equilibrium as time goes on. The research results can provide a reference for tunnel design and construction in cold regions.
引用
收藏
页码：745 / 749
页数：5
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