frost heave

基本解释

The descending order of the significance of anti-frost heave was setting joints in the 1/3 slope, in the toe of slope and not.
削减冻胀的显著性依次是1/3坡高处设纵缝、坡脚处设纵缝、不设纵缝；
The results are as follows: following the temperature down, great frost-heave force is increasing during the frozen curtain being formed.
结果表明：随着温度降低，冻土帷幕逐渐形成，将产生极大地冻胀力；
Non-frost-heave soil such as sand with fine granule content less than 5%, gravel with fine granule content less than 15% and crushed rock can be used to build the anti-freezing layer of subgrade.
路基防冻层应用细粒含量砂类和细粒含量砾类、碎石类不冻胀土填筑，防冻层的厚度根据路基的标准冻深。

the upthrust and cracking of a ground surface through the freezing and expansion of water underneath (Also called frost heaving)