For your footings to prevent frost heave.
您的立足处要保证防止冰冻胀裂。
The water table directly affects the soil frost heave.
地下水位的高低直接影响着土体的冻胀。
This paper introduces the road frost heave damage causes and prevention and control measures.
介绍了道路冻胀的破坏原因以及防治措施。
The key technology of subgrade design is solving the problem of subgrade frost heave in seasonal frozen soil area.
解决路基冻胀问题是季节性冻土地区路基设计的关键。
Because of the cold weather in the winter in the northern areas, the lining channels often be damaged by the frost heave.
在北方地区由于冬季气候寒冷，衬砌渠道经常受到冻胀破坏。
As to the phenomenon of secondary frost heave, the behavior of water flux in frozen fringe is one of the major subjects to study.
在次级冻胀现象中，对处于已冻土和未冻土之间的冻结缘地带，研究其中的水分迁移是一个重要的课题。
The normal frost heave force is an integral of soil frost heave stress at the freezing front along the range effected by a foundation.
法向冻胀力则是在冻结锋面上冻胀应力沿基础影响范围之内的积分。
The normal frost heave force is an integral of soil frost heave stress at the freezing front along the range effected by a foundation.
认为地表冻胀量是冻胀率沿整个冻深的叠加 ； 法向冻胀力则是在冻结锋面上冻胀应力沿基础影响范围之内的积分 。
In the canal lining projects in the northern part of China exist some problems concerning lining damage which is caused by frost heave.
在我国北方地区的渠道衬砌工程中，存在着因基土冻胀而造成的衬砌破坏问题。
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。
The frost heave in a road is easily induced due to low standard design, poor geographical circumstance and effect of daily travel loads.
由于设计标准低，加上恶劣的地理环境及大行车荷载作用，道路极易产生翻浆。
This paper discusses the effect of soil texture around piles in different degree of frost heave on pile length in seasonal frozen soil area.
论述季节性冻土区，由于桩周土质不同冻胀对桩长的影响。
In the seasonal frost regions, more attention is often paid to frost heave index in the aspect of prevention and cure of roadbed frost damage.
在季节冻土地区，防治路基冻害问题，强调较多的往往是室内冻胀指标，而对融沉指标考虑的较少。
In this paper, the analyses on influencing factor of frost heave are being conducted in the light of seasonal frost soils for highway projects.
对公路桥涵季节性冻土冻胀的影响因素进行了分析，并利用冻胀率进行分类供防冻害设计时进行参考。
The driving force of moisture migration in soil is the key of discussing the mechanism of freezing ice and frost heave and the stress of freezing soil.
土中水分迁移的动力势问题是探讨水分迁移成冰机理以及研究冻胀、冻土内应力等冻土工程问题的关键所在。
The magnitude of frost heave force is figured out by means of the half formula and half experience, namely the Equivalent Elasticity Coefficient Method.
采用半公式半经验的方法，即“等效弹性当量系数法”计算出冻胀力的量值。
By means of study on frost heave mechanics, the measures of frost heave prevention are discussed in today railway construction to different natural conditions.
通过对冻胀机理的研究，针对不同的自然条件，分别探讨了当今在铁路建设中广泛采用的防冻胀措施。
The study on frost heave is always a hot subject in the frozen soil research field, it has great difference in frost heave characteristics to each kind of soil.
土体冻胀一直是冻土研究领域的热门课题，不同性质土的冻胀特性有很大差异。
There are 6 main topics in the symposium:heat and mass transfer, frost susceptibility and frost heave, environmental soil freezing, engineering design and case histories.
会议共设6个专题 ：热质迁移、冻结敏感性和冻胀、力学性质、环境土冻结、工程设计和工程实例。
Through modeling the true field temperature process, the research on frost heave adaptability model test of Reno mattress revetment was made in low temperature laboratory.
通过模拟野外实测降温过程，在低温试验室内进行雷诺护垫结构冻胀适应性模型试验研究。
The lengthwise cracks caused by frost heave, and settlement, bulge, rut caused by spring thaw are the main forms of frost damage of roads in seasonally frozen soil region.
冻胀形成的纵向裂缝和道路翻浆导致的沉陷鼓包及车辙变形是季节冻土区高速公路路基冻害的主要形式。
The permafrost or seasonal frozen soils are undesirable engineering geologic condition and the frost heave and thawing settlement will influence the stability of foundations.
多年冻土和季节性冻土属于不良工程地质条件，其物理特性、力学和热学性能决定了冻胀和融沉工程病害对线路基础稳定性的影响程度。
The simulation curve and test curve of frost heave are analyzed by using the theory of fractal geometry, and it is shown that the curve of frost heave is of self-comparability.
采用分形几何理论研究了冻胀曲线的分形性质，发现冻胀曲线同样具备自相似性。
Frozen method has more and more been used in mine construction, the influence of frost heave on construction should not be ignored. and it is very necessary to study the frost heave.
冻结法在矿山建设方面应用已越来越多，冻胀对施工的影响也不容忽视，对冻胀进行研究很有必要。
The frost heave ratio, as an index of classification of frost susceptibility for sandy gravel, mainly depends on not only the. content of fine grained soil but also its freezing condition.
饱水砂砾料冻结时之冻胀敏感性，以冻胀率的大小作为分类指标。它主要受细粒土含量及冻结条件的影响。
By regarding testing mechanics behaviors of frozen soil frost heave as the research background, a hydraulic force control system was designed on the basis of valve control asymmetric cylinder.
以测试冻土冻胀的力学行为为研究背景，设计了一套基于阀控非对称缸的液压力控制系统。
According to influence factors of artificially frozen soil, physical simulation, numerical simulation and the control of frost heave, this paper sums up the research achievement of frost heave.
从人工冻土冻胀的影响因素、物理模拟概况、数值模拟现状及冻胀抑制等方面总结归纳了国内外在冻胀及其抑制上的研究成果。
The frost heave and thawing settlement of frozen soil area can do great harm to the road and building which lies on it, such as the crack, settlement, fragile structures foundation element etc.
冻土区的冻胀、融沉给该地区道路和建筑物造成很大的危害，如使道路出现裂缝、沉陷、结构断裂、基础上拔等。
It is indicated that the accumulation of frost heave pressure inside and outside the ice wall is the ultimate reason that the freezing pressure usually exceeds the permant horizontal ground pressure.
分析认为，冻结壁内外部冻胀力的积聚，是冻结压力超过重液水平地压的根本原因。
Analysis is made on the formations and hazards of the subgrade frost boil and heave, and given the countermeasures.
分析了路基翻浆和冻胀的产生机理、相互关系及对冻胀和翻浆产生影响的因素。并提出了具体的防治办法。
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