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seasonal frozen area
相关语句
  季节冻土区
     A New Method of Observing Delamination Frost- heave Amount and Its Applicability in the Seasonal Frozen Area
     一种新的分层冻胀量观测方法及其在季节冻土区的应用(英文)
短句来源
  “seasonal frozen area”译为未确定词的双语例句
     Selection for SMA pavement materials in seasonal frozen area
     季冻区SMA路面材料的选择
短句来源
     Variation of soil temperature and soil moisture on black soil profile in seasonal frozen area of Northeast China
     东北黑土区土壤剖面地温和水分变化规律
短句来源
     There are lots of influence factors on highway frozen depth in seasonal frozen area,including temprature,ground water level, nature of soil, water content,alignment and subgrade section shape.
     季节性冰冻地区道路冰冻深度影响因素较多 ,主要有气温、地下水位、土质及含水量、路线走向和路基断面形状等。
短句来源
     How to select the qualified materials' components and the initial testing grading according to SMA performance is discussed. It proves to be one of effective preventions against the SMA pavement forepart failure in seasonal frozen area.
     依SMA的路用性能选择优质的符合要求的组成材料,选好初试级配,是季冻区SMA路面预防早期破损的有效方法之一。
短句来源
  相似匹配句对
     The hazard of seasonal frozen soil
     季节性冻土的危害分析
短句来源
     Water Movement in Seasonal Unsaturated Frozen Soil
     水分在季节性冻土中的运动
短句来源
     On the Problem of Shallow Foundation in the Seasonal Frozen Soil Area
     季节性冻土地区基础浅埋问题
短句来源
     Selection for SMA pavement materials in seasonal frozen area
     季冻区SMA路面材料的选择
短句来源
     Frozen Yogurt
     冷冻酸奶
短句来源
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The main form of damage for retaining wall in Seasonal freezing region is caused by ice. The authors summarized several common forms of damage for retaining wall in seasonal freezing area, analyzed the main causes of damage and put forward corresponding prevention measures in this paper.

冻害是季节冻土区挡土墙破坏的主要形式。本文总结了季节冻土区挡土墙破坏常见的几种形式,分析了破坏的主要原因,并提出了相应的防治措施。

The Heihe-Beian Highway is located in sporadic permafrost regions, where 17 sections of permafrost, 3.165 km in length, appear. The mean annual ground temperature is high and the thermal stability is poor. Sporadic permafrost presents in swale swampy wetland with peat and surface water. Permafrost distribution and development has an obviously difference in different topographic units under the effect of conversing-temperature, vegetation, soil, aspect, surface water and ground water. Generally, permafrost mainly...

The Heihe-Beian Highway is located in sporadic permafrost regions, where 17 sections of permafrost, 3.165 km in length, appear. The mean annual ground temperature is high and the thermal stability is poor. Sporadic permafrost presents in swale swampy wetland with peat and surface water. Permafrost distribution and development has an obviously difference in different topographic units under the effect of conversing-temperature, vegetation, soil, aspect, surface water and ground water. Generally, permafrost mainly appears in ditch valley. No permafrost appears in high slopes and mountains. Seasonally frozen and thawed depth is about 1.5 to 2.0 m, with the maximum up to 2.5 m. Thickness of permafrost is about 3 to 6 m, with the maximum about 9 m. Ground ice takes place in massive, micro-layered, layered cryostructures near the permafrost table. Problems of frost heaving and thaw settlement, i.e., frost heaving in seasonal frozen areas and thaw settlement in permafrost areas, always occur. Frost heaving is extremely strong in swampy sections, strong in slope sections, and slight in hill sections. Permafrost conditions, its type and ground ice should be considered in the design principles of roadbed in order to ensure stability and reliability of roadbed in the regions of sporadic permafrost. Maintaining original design principle can ensure stable of a road with icy soil, because icy soil thawing is unable to result in settlement. Prethawing design principle may be applied to ice-rich and saturated-ice soil, but monitoring the roadbed deformation is necessary. Temporary road surface is used for saturated-ice soil and ice with soil, because the permafrost is too thick for thawing during the construction. It is possible to use a temporary road surface, and then add a concrete pavement after the permafrost under the roadbed thawing. Protecting principle may apply in thick and cold permafrost, because the permafrost cannot be thawed chronically. Cold permafrost must be protected to ensure roadbed stable.

依据位于小兴安岭地区的黑北公路沿线退化多年冻土特征 ,以及地质、水文、气候等工程环境条件 ,分析了黑北公路路基可能会发生的病害和发展过程 ,提出了适合于黑北公路的路基设计与病害防治措施 ,以便比选与优化退化型多年冻土地区的路基稳定性设计原则及结构形式 .同时 ,在路基设计形式和病害处理上提出了一些初步设想和建议 .

During winter and spring irrigation, because of the variations in irrigation water source, irrigation manner and irrigation time, the irrigation water will be at different temperatures as it flowed into the farm land. Under the same irrigation rate, the water will have different heat capacity, which results in different soil temperature distribution, and affects the infiltration characteristics of frozen soil. During the freezing period, the infiltration experiments were conducted and the infiltration...

During winter and spring irrigation, because of the variations in irrigation water source, irrigation manner and irrigation time, the irrigation water will be at different temperatures as it flowed into the farm land. Under the same irrigation rate, the water will have different heat capacity, which results in different soil temperature distribution, and affects the infiltration characteristics of frozen soil. During the freezing period, the infiltration experiments were conducted and the infiltration characteristics of the frozen soil under different water temperatures were obtained. The results show that the infiltration water temperature has strong influence on infiltration into frozen soil, the infiltration capacity enhanced with the water temperature increasing. It would provide basis for determining reasonable irrigation parameters within the winter and spring irrigation in seasonal frozen areas.

在冬春灌溉期间 ,由于灌溉水源、灌溉方式、灌溉时间不同 ,当水流入农田时 ,将具有不同的水温。灌溉水温不同 ,在相同的灌溉水量条件下 ,其热容量不同 ,导致土壤温度分布不同 ,必将影响到冻土的入渗规律。该文通过土壤冻结期间积水入渗试验 ,获得了不同入渗水温条件下冻土的入渗规律。试验结果表明 ,入渗水温对冻土入渗规律的影响十分明显 ,冻土的入渗能力随入渗水温的升高而增强。研究结果对于季节性冻土壤区冬春灌溉合理灌水技术参数的确定提供依据

 
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