Frostboiling, alligator crack, net-shaped crack and pits are commonly found in highway pavement, they are resulted from the moisture damage in the asphalt concrete pavements.
沥青混凝土路面因水损害造成的唧浆、龟裂、网裂、坑洞等早期破坏现象，在公路路面中普遍出现。
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The highway frostboiling is a familiar disease in the north area of our country. The paper discusses and studies the cause, theory and prevention of highway frostboiling that should be solved.