frost heave

基本解釋

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.
削減凍脹的顯著性依次是1/3坡高處設(shè)縱縫、坡腳處設(shè)縱縫、不設(shè)縱縫；
The results are as follows: following the temperature down, great frost-heave force is increasing during the frozen curtain being formed.
結(jié)果表明：隨著溫度降低，凍土帷幕逐漸形成，將產(chǎn)生極大地凍脹力；
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.
路基防凍層應(yīng)用細粒含量砂類和細粒含量礫類、碎石類不凍脹土填筑，防凍層的厚度根據(jù)路基的標(biāo)準(zhǔn)凍深。

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