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通过对吉林省哈达山输水干渠几个地下水位较高渠段进行土质的冻胀量计算,确定出基土的冻胀性类别,对衬砌渠道是否采取抗冻胀工程措施提供理论依据。
By calculating the amount of frost heave of soil in several higher groundwater levels of Hadashan trunk canal in Jilin Province, the classification of subgrade frost heave is determined, and the theoretical basis is provided for whether anti-frost heaving measures should be taken in lining channels.