A convection-conduction model for analysis of the freeze-thaw conditions in the surrounding rock wall of a tunnel in permafrost regions

被引：25

作者：

He, CX ^{[1
]}

Wu, ZW

Zhu, LN

机构：

[1] Chinese Acad Sci, State Key Lab Frozen Soil Engn, Lanzhou Inst Glaciol & Geocryol, Lanzhou 730000, Peoples R China

[2] S China Univ Technol, Dept Appl Math, Canton 510640, Peoples R China

来源：

SCIENCE IN CHINA SERIES D-EARTH SCIENCES | 1999年 / 42卷 / Suppl 1期

关键词：

tunnel in cold regions; convective heat exchange and heat conduction; freeze-thaw;

D O I：

10.1007/BF02878846

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Based on the analyses of fundamental meteorological and hydrogeological conditions at the site of a tunnel in the cold regions, a combined convection-conduction model for air flow in the tunnel and temperature field in the surrounding has been constructed. Using the model, the air temperature distribution in the Xiluoqi No. 2 Tunnel has been simulated numerically. The simulated results are in agreement with the data observed. Then, based on the in situ conditions of air temperature, atmospheric pressure, wind force, hydrogeology and engineering geology, the air-temperature relationship between the temperature on the surface of the tunnel wall and the air temperature at the entry and exit of the tunnel has been obtained, and the freeze-thaw conditions at the Dabanshan Tunnel which is non under construction is predicted.

引用

页码：1 / 8

页数：8

共 7 条

[1]

CHEN JC, 1984, FLUID DYNAMICS HEAT, P245

[2]

CHEN SX, 1982, METEOROLOGY, P211

[3]

HE CX, 1996, P 5 CHIN C GLAC GEOC, V1, P419

[4]

JIN XE, 1983, VENTILATION TUNNEL A, P1

[5]

LUNARDIN VJ, 1991, HEAT TRANSFER FREEZI, P75

[6]

Nie F.M., 1988, J. Glaciol. Geocryol., V10, P450

[7] FORMULAS FOR FREEZING OUTSIDE A CIRCULAR TUBE WITH AXIAL VARIATION OF COOLANT TEMPERATURE [J].

SHAMSUNDAR, N .

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, 1982, 25 (10) :1614-1616

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