upthrust of ground or pavement caused by the freezing of moist soil

This article provides the preventive method of road frost heaving - boiling in alpine area.

本文就这一现象论述了高寒地区道路冻胀翻浆的防治方法。

The mechanism of frost heaving of canal lining blocks is studied and the methods of calculating frost heaving and freezing of canal are discussed.

研究了渠道衬砌体冻胀破坏的机理，提出削减和抵抗相结合的抗冻胀思路；

The larger the confining pressure, the larger the frost heaving strain and stress.

围压越大，冻胀力和冻胀应变越大。

It not only solves the problem of frost heaving of canal but also declares the maintenance cost, improves the efficiency of routing, and saves water resources.

既解决了工程抗冻胀问题，节省工程维修费用，又大大地提高了灌溉渠道输水效率，节约水资源。

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。

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。

Research about salt and frost heaving is helpful to further know the engineering properties of sulfate(sulfurous) saline soil.

对盐胀和冻胀规律的研究有助于深入认识硫酸（亚硫酸）盐渍土的工程性质。

The disease of subgrade in permafrost region was mainly induced by frost heaving and thawing circulation of frozen soils because of change of seasons.

多年冻土地区路基病害主要由冻土土体在季节变化条件下的冻融循环造成的。

First time test on the sea water frost heaving characteristics in sealed bushing of oil well in the sea was made in 1998. A measurement system for the various kinds of parameters is set up.

1998年首次进行了海上油井密封套管内海水冻胀特性模拟试验，建立了一套各种参数的测量系统。

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。

This paper expounds the test results of the freezing Process of sea water, the excessive cold temperature of sea water, the frozen water temperature, sea water frost heaving force and the tube strain.

文中介绍了管内海水冻结过程、海水过冷温度、结冰水温、轴向冻胀力以及管体应变测量结果。