冬季,农田水利工程常常因冻害而遭到破坏,直接影响了工程效益的发挥。因此,分析研究冻害的基本规律,采用合理的防冻措施,应当引起广大水利工作者的重视。一、形成冻害的原因农田水利工程的冻害,主要是由气温、水份、土壤等综合因素决定的。堤坝和灌溉渠道,基上在冻结过程中, Winter, farmland water conservancy projects are often destroyed due to frost damage, a direct impact on the project efficiency. Therefore, the analysis of the basic law of frost damage, the use of reasonable antifreeze measures, should attract the attention of the majority of water conservancy workers. First, the formation of frost damage farmland water conservancy project frost damage, mainly by the temperature, moisture, soil and other factors determined by the comprehensive. Dams and irrigation channels, based on the freezing process,