浅谈严寒地区高铁路基冻胀产生的原因及整治措施

摘要

This paper elaborated the generating process of frost heave of subgrade, analyzed the causes of frost heave, studied the mechanism and treatment measures of frost heave of subgrade in severe cold regions, and combining with the practice of maintain-ing and treating the frost heave of subgrade in winter after the opening and operation of Harbin-Dalian high-speed railway, proposed further thinking on the settlement of frost heave of high-speed railway subgrade.%阐述路基冻胀产生的过程，分析冻胀产生的原因，研究严寒地区路基冻胀机理及整治方法，结合哈大高铁开通运营后冬季路基冻胀维修整治实践，提出对解决高铁路基冻胀问题的进一步思考。