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土体冻胀量计算方法研究（英文）

土体冻胀量计算方法研究（英文）

引用

The Fourth International Symposium on Permafrost Engineering

作者：宋玲周池绪陈建新李斌 Dept.of Civil Engineering Shihezi University Station of Quality Inspect the Railway Company of North Xinjiang

Considerable studies have been done on the damage to the construction acted by the frost-upheaval *** was known that soil frost-upheaval was relative to the composing of the grain size and the salinity,the load and the liner *** to the data collected in the experiment,many formulae were ***,the formulae were relevant to the water table or a certain special factor under the environment,they had regionalism more or *** the exact capacity of soil frost-upheaval under construction couldn t be achieved,the analysis of the frost-upheaval force acted normal to the construction couldn t be carried out,*** on the previous achievements,from the angle of energy,with the knowledge of conduct mechanics,the capacity of froze-upheaval was more accurately calculated in the paper by modern *** only the soil frost-upheaval but also the classification to the character of frost-upheaval was mainly depended on the composing of the grain *** for a certain kind of soil,the dimension of frost-upheaval had concern with its frozen depth（namely the least distance from the temperature isotherm of being frozen up to the surface）,which was the result interacting of those factors such as the temperatures of soil and air,the salinity in the soil,the load,the liner and so *** the thinking above,the calculation of the dimension of frost-upheaval could be divided into two steps:1)determining the character of frost-upheaval,2)calculating the frozen depth in the real *** the capacity of frost-upheaval in winter could be worked out more *** analysis and calculation on the construction acted by the frozen force could be worked out,*** researches provided the basic theory about the anti-freezing design of building.

关键词： capacity of frost-upheaval frost-upheaval frozen depth calculating method

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