它是冻土地区特殊的工程地质现象。
It is a special engineering geological phenomenon in the frozen earth region.
冻裂是多年冻土地区沥青路面的主要病害。
Frost crack is the main failuve of asphalt pavement in permafrost region.
本文主要介绍了冻土地区公路翻浆的成因及防治措施。
This paper introduces cause and prevention measure of road frost heave in frozen earth area.
解决路基冻胀问题是季节性冻土地区路基设计的关键。
The key technology of subgrade design is solving the problem of subgrade frost heave in seasonal frozen soil area.
本文成果可作为季节性冻土地区路基设计和施工的参考。
The research results can provide reference for design and construction of subgrade in seasonal frozen soil region.
这是雅库特与泰梅尔的边界，这荒凉的冻土地区是一望无际的冰雪。
It's the border between Yakutia and Taymyr. The tundra and desolate expanses of snow.
因此，研究分析多年冻土地区单桩应力状态有着很重要的现实意义。
So, analysing the stress state of single pile foundation in permafrost area has realistic meanings.
钢筋混凝土盖板涵、圆管涵和合金钢波管涵等都适应于多年冻土地区。
Rc slab culvert, circular culvert and alloy steel corrugated culvert are applicable to the secular frozen earth area.
应用多种方法对多年冻土地区5种不同路面结构进行了寿命周期费用分析。
Life cycle costs for 5 different pavement structures in permafrost zone were analyzed.
多年冻土地区路基病害主要由冻土土体在季节变化条件下的冻融循环造成的。
The disease of subgrade in permafrost region was mainly induced by frost heaving and thawing circulation of frozen soils because of change of seasons.
在苏联、加拿大或阿拉斯加的永久冻土地区，冰一直很有效地用来做墙和屋顶。
In permafrost areas in the Soviet union or Canada or Alaska, ice has been used effectively for walling and roofing.
目前，针对级配碎石力学性能研究较少，在多年冻土地区的应用研究还是空白。
There are 50 years history about subgrade construction technology and the relevant research in the permafrost regions.
目前，针对级配碎石力学性能研究较少，在多年冻土地区的应用研究还是空白。
At present, the study on mechanical behavior of graded broken stone is very limited and there is no any study of its application especially in perennially frozen soil zone.
在多年冻土地区修建铁路，为确保冻土路基的稳定，应使路基长期处于冻结状态。
In permafrost regions, the construction of railway should keep the subgrade frozen permanently so as to maintain the stability of the frozen subgrade.
多年冻土地区独特的气候条件和地质条件决定了该地区沥青路面结构设计的特殊性。
Because of unique climatic condition and geological condition in perennially frozen soil zone, structural design of asphalt pavement in this area has its particularity.
因此，如何在多年冻土地区进行变电站接地系统的设计，是设计中一项很关键的工作。
So, how to proceed with the design work of the substation grounding system in permafrost region is a key step in the whole design work.
多年冻土地区修筑道路一直是世界性难题，至今仍然是许多国家和地区研究的热点。
Subgrade construction technology in permafrost regions is a worldwide difficult problem. Nowadays, this problem is still a focus in many countries and regions.
路基周而复始的冻胀、融沉和热融滑塌是冻土地区道路建设和维护所面临的主要难题。
The continual freezing and expanding, melting and submerging and melting and sinking of roadbed are the main problem on the building and maintaining of road in frozen earth area.
系统的归纳、总结了高原冻土地区切实可行的桥梁病害预防对策和现状病害治理方法。
The feasible measures to prevent bridge disease and the methods of disease treatment in plateau permafrost regions are summarized.
本文从路面材料和结构两方面，对多年冻土地区沥青路面设计技术进行系统深入的研究。
In this thesis, the author systemically study on the asphalt pavement design technology of the permafrost area from the material and the structure.
准确确定多年冻土上限的位置及掌握其变化规律是冻土地区工程勘察的基本工作和重要内容。
It is important work to confirm the position of natural permafrost table and grasp its change law. Introducing the exploring method of natural permafrost table in Qingzang railway.
探讨了在多年冻土地区影响土壤电阻率的因素和使用低电阻接地模块降低接地电阻的工程方法。
The factors affecting the resistivity of frozen soils were discussed, and some solutions to grounding for lightning using grounding modules were introduced.
本文根据笔者的多年教学和设计实践。介绍了多年冻土地区公路冻害的成因及防治的一般方法。
Acoording to instruction and experiment for many years, the authors introduced the formation causes of road freeze injury in freeze earth areas and give general prevention ways.
分析称，最糟糕的情况将导致“到2050年，永久冻土地区的承受能力下降75%到95%”。
The analysis says a worst-case scenario could lead to a 75-95 percent 'reduction in bearing capacity throughout the permafrost region by 2050'.
多年冻土地区路面水泥稳定砂砾基层应用中，普遍存在基层上下松散、中部板结的“夹层”现象。
The interlayers that characterized as harden in middle and incompact in top and below widely occurred in the cement-stabilized-gravel when contrustruing the base course of pavement in permafrost area.
随着列车速度的提高，我国北方的冻土地区铁路路基的冻害已经严重制约着高速列车的安全运营。
The safety of the high-speed train is affected by the frost damage of the railway subgrade in China's north frozen soil zone.
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 the seasonal frost regions, more attention is often paid to frost heave index in the aspect of prevention and cure of roadbed frost damage.
沥青混合料的低温抗裂性能是多年冻土地区沥青路面的关键路用性能之一，老化对其有着重要影响。
The asphalt mixture's crack resistance at low temperature is one of the key pavement performances in perennially frozen soil zone, and aging procedure has important effect on it.
在多年冻土地区，尤其是高含冰量的多年冻土区，阴阳坡的出现给路基的稳定性带来了极大的危害。
When road water content, the is constructed in permafrost region of long time, especially with rich stability of embankment is dramatically imperiled by the "Yin-Yang" slope.
在多年冻土地区，尤其是高含冰量的多年冻土区，阴阳坡的出现给路基的稳定性带来了极大的危害。
When road water content, the is constructed in permafrost region of long time, especially with rich stability of embankment is dramatically imperiled by the "Yin-Yang" slope.
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