From adding substances to have physical and chemical effect on forst heaving soil grain to change the feature of the base, then reduce or eliminate the frost heaving feature of base soil.
通过外加物质与地基冻胀土颗粒进行物理化学作用，改变地基的特性，以减少或消除地基土的冻胀性。
The frost heaving damage can be thoroughly solved by laying a heat preservation layer in good condition under the rigid lining to prevent the frost heaving of the base soil.
在刚性面层下设置一道性能良好的保温层来防止基土冻结，可以从根本上解决冻胀破坏的问题。
The frost heaving damage is main damage form of lining channel in north China, which is an integrative result of temperature, water content, soil characteristic and frost force.
渠道衬砌的冻胀破坏是温度、水分、土质和冻胀力等因素共同作用的结果，是北方地区渠道的主要破坏形式。
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