• The normal frost heave force is an integral of soil frost heave stress at the freezing front along the range effected by a foundation.

    法向力则冻结锋面上冻应力沿基础影响范围之内积分

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  • As to the phenomenon of secondary frost heave, the behavior of water flux in frozen fringe is one of the major subjects to study.

    次级现象处于已冻土和未冻土之间冻结地带,研究其中的水分迁移重要课题

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  • 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.

    水分迁移动力势问题探讨水分迁移成机理以及研究冻冻土内应力等冻土工程问题关键所在

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  • The water table directly affects the soil frost heave.

    地下水位高低直接影响土体胀。

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  • For your footings to prevent frost heave.

    立足处要保证防止冰冻胀裂。

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  • 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低温试验室内进行雷诺护垫结构适应性模型试验研究

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  • By means of study on frost heave mechanics, the measures of frost heave prevention are discussed in today railway construction to different natural conditions.

    通过机理研究,针对不同自然条件,分别探讨了当今铁路建设中广泛采用防冻措施

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  • 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.

    测试冻土力学行为研究背景设计了一基于非对称压力控制系统

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  • 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.

    季节冻土地区防治路基冻害问题,强调较多往往室内指标,而对融沉指标考虑的较少。

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  • The magnitude of frost heave force is figured out by means of the half formula and half experience, namely the Equivalent Elasticity Coefficient Method.

    采用公式经验方法等效弹性当量系数计算量值

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  • 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.

    通过理论研究对实测曲线分析,结果表明曲线具有良好的自相似性可以利用理论胀曲线进行描述

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  • In this paper, the analyses on influencing factor of frost heave are being conducted in the light of seasonal frost soils for highway projects.

    公路桥涵季节性冻土影响因素进行分析,并利用冻胀率进行分类供防冻害设计时进行参考。

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  • The key technology of subgrade design is solving the problem of subgrade frost heave in seasonal frozen soil area.

    解决路基问题季节性冻土地区路基设计关键

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  • This paper introduces the road frost heave damage causes and prevention and control measures.

    介绍道路破坏原因以及防治措施。

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  • 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,由于土质不同长的影响

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  • Because of the cold weather in the winter in the northern areas, the lining channels often be damaged by the frost heave.

    北方地区由于冬季气候寒冷,衬砌渠道经常受到胀破坏

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  • 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.

    冻结矿山建设方面应用越来越多,施工影响不容忽视,对冻胀进行研究必要

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  • Analysis is made on the formations and hazards of the subgrade frost boil and heave, and given the countermeasures.

    分析路基翻浆产生机理、相互关系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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  • 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.

    人工冻土影响因素物理模拟概况、数值模拟现状抑制等方面总结归纳国内外在胀及其抑制上的研究成果

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  • 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个专题迁移冻结敏感性、力学性质、环境冻结工程设计和工程实例。

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  • 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,冻结内外部积聚冻结压力超过重液水平地压根本原因

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  • 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.

    冻土区胀、沉给地区道路建筑物造成很大的危害使道路出现裂缝、沉陷结构断裂、基础上拔等。

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  • 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.

    饱水砂砾冻结时之敏感性冻胀大小作为分类指标主要受含量冻结条件的影响。

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  • In the canal lining projects in the northern part of China exist some problems concerning lining damage which is caused by frost heave.

    我国北方地区渠道衬砌工程存在着因基土冻胀而造成衬砌破坏问题

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  • The normal frost heave force is an integral of soil frost heave stress at the freezing front along the range effected by a foundation.

    认为地表冻胀率沿整个冻深叠加 ; 法向冻胀力则冻结锋面上冻胀应力沿基础影响范围之内积分

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  • 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.

    土体一直冻土研究领域热门课题不同性质特性很大差异

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  • The formula for computing frost depth and frozen-heave factor is puted forword through statistical regression analysis.

    经过统计回归分析,提出设计冻胀率计算公式

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  • 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.

    采用几何理论研究曲线分形性质,发现冻胀曲线同样具备自相似性

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  • 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.

    胀形成纵向裂缝道路翻浆导致沉陷鼓包车辙变形季节冻土区高速公路路基冻害主要形式

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  • This paper introduces cause and prevention measure of road frost heave in frozen earth area.

    本文主要介绍了冻土地区公路翻浆成因防治措施

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