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。
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。
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