查询词典 heaving

This paper analyzes the causations of frost heaving of road and conformation building in cold area.

对寒冷地区出现的道路、构造物冻胀现象进行了分析，阐述了冻胀产生的原因，并提出了几项防止冻胀的措施。

The frost heaving and thaw settlement change the porosity of soil bodies.

土的冻胀和融沉，使得土颗粒间的孔隙发生着变化。

It is concluded that frost heaving is much more than thaw settlement, it is in accordance with observation results along Qinghai-Tibet highway.⑥Differential equation of heat transfer with phase change is derived in this paper.

通过模型试验，得出变形场受温度场控制的结论，并在多个冻融循环中，存在着一个斜坡后继变形的"温度门限"，控制着斜坡变形的进一步发展。

The measurement of thermal conductivity for low temperature frozen soil is important in researching the heat physical characteristics and the frost heaving of soil.

冻土导热系数的测定对于研究冻土热物理性质、土体冻胀特性有着重要作用。

The dry density is the index that represents the density extent of soil body, so there is a relation between the amount of frost heaving and thaw-settlement and soil average dry density.

而土体的干容重是表征比重一定的土体，土颗粒松散程度的指标，因此土体的冻胀和融沉量和土体的平均干容重之间产生了联系。

This paper analyzes the function process of frost heaving pressure which causes the quality problem of "upward freezing pulling" about shipway pile foundation,and research to conduct experiment survey on application effect of the developed engineering prevention measures.

论述了切向冻胀应力引起船台桩基础"冻拔"质量问题的作用机理；研究制定的"冻拔"质量问题的工程防治措施应用效果的实验监测。

The seepage of water is one of the main reasons that freezing damage occurs in permafrost regions tunnel.Grouting is a direct and effective way of controlling seepage. However, because of the frost heaving force , ring of permafrost, the durability of material and the temperature field ,grouting in freezing-thawing condition becomes more difficult.

隧道内渗漏水是多年冻土隧道产生冻害的主要原因之一，注浆是围岩加固、防水和治理渗漏水的一项十分直接有效的方法，然而，冻胀力、冻融圈、材料耐久性和施工温度场等因素，为冻融条件下的隧道注浆施工增加了很大的难度。

There are many frost heaving freezing and thawing phenomena in Heilongjiang Province, they are very important geological disaster in construction engineering.

黑龙江省易发生冻胀、冻裂、冰丘、冰锥、热融塌陷和道路翻浆等冻融现象，这是危害工程建筑的一种重要地质灾害。

A new structure of anti-seepage channel which is frost heaving resistant and economical is presented in paper, that puts forward theoretic foundation for construction of anti-seepage channels in frost soil region.

本文通过对季节冻土区防渗渠道冻害情况调查和分析，在总结季节冻土区渠道防渗技术的基础上，分析了土的冻胀机理及特征，研究了渠道冻害成因特点与规律，从结构破坏形式的角度，提出了经济合理且抗冻胀的新型渠道防渗结构型式，从而为季节冻土区防渗渠道建设提供理论依据。

Thorough analysis of the damage mechanism of frost heaving on the concrete lining of the channel with trapezoidal cross section, this article presents the following conclusions.

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The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。