查询词典 frost heave

Lastly, we summed up the law about the change of maximum dry density, optimum water content, angle of internal friction, cohesion, unloaded expansion capacity, compacting factor, height and speed of capillary rise, frost heave and salt expansion capacity with the change of silt-clay content. Besides, we analyzed the result.

总结了粉粘粒含量变化对土样最佳含水量、最大干密度、剪切强度、无荷载膨胀量、压缩系数、毛细水上升高度及速度和冻胀盐胀量的影响规律，并进行了量化分析。

In China,more and more constructions in cold regions appear,Strength and deformationof frozen soil,characteristics of frost heave and thaw collapse have become the major task forcold regional construction.But researches on mechanism of frost heaving are still not maturedowing to complexity of frozen soil,and the current study,thinking little of the freezing andthawing process,mostly focuses on the different physical and mechanical properties betweenfrozen soil and thawed soil.

随着我国寒区工程建设项目的增多，冻土的强度与变形问题以及冻胀融沉特性研究成为面临的最重要任务，但是由于冻土的复杂性，现有的冻胀机理相关研究尚不成熟，大多还是研究已冻土和融土物理力学性质差别，缺乏对正冻正融过程的相关研究。

Non-uniform deformation of ground surface was often aroused by frost heave, so, controlling the formation and development of frost heave was always of great importance. The mechanism of using intermissive freezing method to control frost heave was dealt in this paper.

土体冻胀容易引起地表不均匀变形，因此控制冻胀的产生和发展是人工冻结技术应用中的重要课题，针对间歇冻结模式控制人工冻土冻胀的机理问题。

It is found that the frost heave curve has a good self-similarity, and the fractal theory can be used to describe the frost heave curve.

通过理论研究和对实测曲线的分析，结果表明冻胀曲线具有良好的自相似性，可以利用分形理论对冻胀曲线进行描述。

And prevent subgrade form frost heave and frost boiling.

并起到预防道路冻胀和翻浆的作用。

By analyzing the property of frost heave in the aeolian soil, this paper proposes a fractal interpolation method to study the one-dimensional problem of frost heave in frozen soil.

通过分析风积土冻胀的特征，提出采用分形插值方法研究一维封闭冻结风积土的冻胀问题。

The fractal dimension can represent the complexity and the non-linear property of frost heave curve, which is important for understanding the process of frost heave on the aeolian soil.

分维体现了冻胀曲线的复杂性及非线性特征，这对进一步认识风积土的冻胀过程有着很重要的作用。关键词一维封闭冻结，风积土，冻胀曲线，分形

The phenomenon of frost heave can cause severe damage to roads and constructions. Many researchers have paid much attention on the study of frost-heaving mechanism.

冻结过程中由于水分迁移引起的冻胀量远远大于孔隙水原位冻结引起的体积膨胀量，冻土区的冻胀、融沉给道路和建筑物造成很大的危害，如出现裂缝、沉陷、结构断裂等现象。

Based on analysing the differences between artificially frozen soils and naturally frozen soils and comparing the present testing devices for the study of frost heave and thawing settlement at home and abroad, a new device for studying the frost heave and thawing settlement of artificially frozen soil was developed.

并利用该试验装置对徐州地区常见的粘土进行了冻结试验，检验了该试验装置的可靠性和实用性；得出了人工冻结土体在冻融过程中土体在垂直方向上的冻胀远小于它在该方向上的融沉等几点结

"Frost resistance design code for hydraulic structure"and" frost heave resistance design code for canal system engineering"are compared and analysed.

对《水工建筑物抗冰冻设计规范》和《渠系工程抗冻胀设计规范》不同特点做了对比分析，指出按各自的标准进行计算会给工程设计带来不同安全度，建议宜协调一致，以利工程设计遵循。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。