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。
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的成因及防治措施。
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 developing characteristics of rate of frost heave of silty clay(undisturbed and disturbed) by artificial freezing are revealed, and different experimental results are compared.
研究了不同实验条件下原状和扰动粉黏土人工冻胀速率的发展特点,并对试验结果进行了对比分析。
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。
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 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。
the frost heave in a road is easily induced due to low standard design, poor geographical circumstance and effect of daily travel loads.
由于设计标準低,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。
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。
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。
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。
finally, problems about optimizing cold end temperature in order to control the frost heave are discussed.
最后对冻结模式的优化设计以控制冻胀的技术问题进行了进一步的探讨。
to do systematic advanced developments, including mechanics test, thermodynamic test, frost heave test, thawing settlement test.
对这三层土开展物理力学试验、热工试验、冻胀及融沉试验。
quasi coupling numeric analysis of frost heave effect of horizontal freezing in artificial ground is suggested.
提出了人工地层水平冻结冻胀效应準耦合数值分析方法;