查询词典 frost heaving

Besides, the stress state of oil pipiline suffered from the frost heaving hazard was predicted by finite element numercial simulation. When the design pressure is 10 MPa, the pipe wall thickness should be no less than 14.2mm.

对于采用X65钢级螺旋缝埋弧焊钢管和直缝埋弧焊钢管的中俄原油管道工程，当管道设计压力为10MPa时，中俄原油管道设计壁厚应不小于14.2mm。

In the experiment, we mainly analysis the module, frost heaving, thaw settlement in freezes under the condition to the subgrade soil, the soakage change rule have carried on the actual, and have carried on fast and slow experiment contrast analysis in several primary factors that affected the roadbed to freeze the characteristic: The initial moisture content, the freeze speed, the load and so on.

试验中，重点对路基土在冰冻条件下，回弹模量、冻胀、融沉、吸水量的变化规律进行了实测分析，并对影响路基冰冻特性的几个主要因素：初始压实度、冻结速度、荷载等进行了快速、慢速试验的对比分析。

From these researches as above, this paper found a new method to analysis salty soil road engineering properties by phase equilibrium theory, which provides a new angle of analysis on salty soil properties, experiment and engineering practice in these ways as follows:(1) Analysis the disadvantage of traditional salty soil experiment;(2) Analysis the disadvantage of current salty soil definition by phase equilibrium theory, and gives the chart of distinguish salty soil by the condition of hydrography and climate change;(3) Analysis the mechanics of subgrade frost boiling based on the change rule of liquid content;(4) Based on the change rule of ingredients content and volume in salty soil, analysis the mechanics of subgrade salt heaving and the restraining method by adding sodium chloride.

通过以上研究，本文初步建立了以相平衡理论为核心的盐渍土路用工程性质分析方法，该方法对盐渍土工程性质的理论分析、试验研究以及工程实践提供了新的研究思路与方法，具体体现在：(1)分析了传统的盐渍土试验存在的缺陷；(2)分析了现行盐渍土定义的不足，并以相平衡理论为基础，结合水文、气候条件的变化给出了判别盐渍土的诺谟图；(3)分析了盐渍土盐溶液含量的变化规律，并从盐渍土含液量变化规律出发，分析了盐渍土路基较非盐渍土路基翻浆严重的机理；(4)分析了盐渍土各固相含量及其体积的相变规律，并在此基础上分析盐渍土路基的盐胀机理，以及采用添加氯化钠来抑止硫酸盐盐渍土的盐胀机理

Samples from Changchun-Siping highway, Changchun-Songyuan highway and North Changchun-Jilin highway were studied.Studied from microstructure of frozen soil, combining physicochemical tests and mechanical tests, the influence of properties of seasonally frozen soil in Changchun area on moisture movement is evaluated,which provides the experimental evidence for study of moisture movement of seasonally frozen soil and the road frost heaving and mudding in Changchun area.

以长春-四平线、长春-松原线以及长春-吉林北线3段公路土样为研究对象，从微观结构出发，结合物理化学试验和力学试验，评价了长春地区季冻土的性质对水分迁移的影响，为长春地区季冻土的水分迁移研究、道路冻胀翻浆的防治等提供试验依据。

Finally, it discusses the application of the research production in engineering and brings forward some measure about controling frost-heaving and minishing thaw-settlement. These task has great applied importance and guide significance to the artificial freezing methodspractice in the municipal underground engineering and will reduce the endangerment to the ambience in the future.

论文最后讨论了研究成果在工程中的应用，并提出了抑制冻胀减小融沉的措施，这些工作对今后人工冻结在城市地下工程中应用和减小对周围环境的危害具有重要的实用价值和理论指导意义。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新