MECHANICS RELATED WITH FROZEN GROUND IN CONSTRUCTION OF QINGHAI-TIBET RAILWAY
青藏铁路建设中的冻土力学问题

Based on the researches on constructions in frozen regions and Qinghai-Tibet Roadway and Railway, some related mechanics problems are proposed. They are: the temperature field in frozen soil under climate and engineering conditions; frost heaving and thaw settlement of permafrost roadbed; the support force of frozen soil under the roadbed; the frost heaving of many kinds of engineering constructions (especially culverts and stake bases); the influence of regenerative damages on railway bed; active protective measures for frozen soil damages. All problems may be classified into two kinds: one concerns heat stability, and the other dynamics stability. And the both problems are coupled.