季节性冻土地区衬砌渠道冻胀及防治措施

渠道冻胀及其防治问题是我国北方灌区渠道工程中的一个重要问题，文中从渠基土的冻胀性能、地下水位的埋深、渠道衬砌材料和结构及渠道走向等四个方面，较深入地分析了产生渠道冻胀破坏的机理，总结了各地近年来渠道冻胀的研究成果，提出了渠道冻胀防治的各种措施，对渠道防渗防冻胀工程建设具有参考价值，并指出今后应进一步开展研究的若干问题。

Discussion on the preventive treatments of the frost heaving of lining canals in seasonal frozen soil areas

There is a important problem in our northern irrigated area,that is frost heaving of canal and how to provide prevention and cure of it.The article analyses the destructive mechanism of frost heaving of canal from the frost heaving function of canal base,the depth of underground water level,the material and structure of canal lining and the canal trend,in the same time,summarizes the research work on frost heaving of canal in resent years all over the country,raising many kinds of cure measures,which is of great value for engineering construction of frost heaving of canal prevention and cure,giving some advice on how to go on the research work in the next decade.