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seasonal frozen
相关语句
  季节冻土
    Soil Nailing Under the Influence of the Seasonal Frozen Soil
    季节冻土对土钉支护的影响
短句来源
    Calculation of frost heave in seasonal frozen soil under piled foundation restrain condition
    桩基础约束条件下季节冻土场地冻胀量的二维数值求解
短句来源
    Discussion stability calculation against frozen uplift for pile foundation in seasonal frozen soil areas
    季节冻土区桩基础抗冻拔稳定计算的探讨
短句来源
    Based on the analysis of earthquake damages in Dedu County of Heilongjiang Province and the experimental data from dynamic triaxial stress strain test of frozen soil in low temperature, this paper presents the necessity of research of the dynamic characters of seasonal frozen soil, and gives out the calculated result of the values of elastic modulus, Poisson′s ratio, shear modulus and damping ratio of frozen soil under dynamic conditions,and also their relations with temperature of frozen soil and frequency of cyclic loading.
    在分析黑龙江省德都县震害基础上,提出季节冻土动力特性研究的必要性。 根据大量低温动三轴应力-应变实验资料给出冻土的动弹模量、动泊桑比、动剪切模量、动阻尼比的数值及它们与冻土温度、振动频率的关系。
短句来源
    Freezing and heaving damage prevention measures for pile and plate foundation and retaining wall in seasonal frozen soil zones were discussed.
    论述了季节冻土区桩基础、板基础、挡土墙三种类型水工建筑物抗冻胀措施。
短句来源
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  “seasonal frozen”译为未确定词的双语例句
    In this paper, the data of the average and maximum depths of seasonal frozen earth and the frozen duration of soil at 10 cm in depth in Xinjiang during the 40-year period of 1961~2002 are analyzed.
    根据对新疆40年(1961-2002年)冬季平均冻土深度、最大冻土深度、土壤10cm深度封冻时段资料分析表明.
    Analysis on the Multi-annual Change and Saltation of Seasonal Frozen Earth in Xinjiang
    新疆季节性冻土多年变化及突变分析
    It is not cold enough to form permafrost. According to the temperature measurement from pits and boreholes (in July 1992), the ground temperature is 5 0~8 4℃ in the depth of 1 0~2 2 m, and shallow ground water temperature is 6 0~7 8℃. The seasonal frozen depth is 1 0~2 0 m.
    据1992年7月间试坑和钻孔测温,在1.0~2.2m深处地温为5~8.4℃,浅层地下水温6.0~7.8℃,由此判断不存在多年冻土,季节冻结深度为1.0~2.0m。
短句来源
    Unstable Heat Loss Calculation for Buried Heat-Supply Pipeline in Seasonal Frozen Earth Area
    季节冻土区直埋供热管道非稳态热损失计算
短句来源
    Freezing Damage Prevention for Pile Plate and Wall in Seasonal Frozen Soil Zones
    季节冻土区桩、板、墙冻害的防治
短句来源
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  seasonal frozen
According to the spatial distribution of the third loading eigenvectors of (Ts-Ta) over the Qinghai-Xizang Plateau in cold season, the permafrost response region and the seasonal frozen ground response region are identified.
      
Seasonal frozen ground occurs in large parts of the territory in northern China, including Northeast, North, Northwest China and the Tibetan Plateau except for permafrost regions, and accounting for about 55% of the land area of China.
      
The seasonal frozen soil on the Qinghai-Tibet Plateau has strong response to climate change, and its freezing-thawing process also affects East Asia climate.
      
Anomaly feature of seasonal frozen soil variations on the Qinghai-Tibet Plateau
      
Permafrost with MAGT higher than-2°C will turn into seasonal frozen soils and even unfrozen soils.
      
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Field investigation shows no permafrost in the interior of the Zoige Plateau. The mean annual air temperature is 0.6~3.3℃, and the annual range of air temperature is 19.1~21 2℃ . It is not cold enough to form permafrost. According to the temperature measurement from pits and boreholes (in July 1992), the ground temperature is 5 0~8 4℃ in the depth of 1 0~2 2 m, and shallow ground water temperature is 6 0~7 8℃. The seasonal frozen depth is 1 0~2 0 m. Permafrost has formed above 4150~4200 m a.s.l....

Field investigation shows no permafrost in the interior of the Zoige Plateau. The mean annual air temperature is 0.6~3.3℃, and the annual range of air temperature is 19.1~21 2℃ . It is not cold enough to form permafrost. According to the temperature measurement from pits and boreholes (in July 1992), the ground temperature is 5 0~8 4℃ in the depth of 1 0~2 2 m, and shallow ground water temperature is 6 0~7 8℃. The seasonal frozen depth is 1 0~2 0 m. Permafrost has formed above 4150~4200 m a.s.l. in the mountainous around the plateau according to a permafrost investigation and pit prospecting. The swamp evolution reveals that a part of swamp has been drained and another part will be drained. The degeneration and desertification of grass lands becomes an important problem to ecological environment, impacts livestock.

若尔盖高原内部年平均气温0.6~3.3℃,气温年较差19.1~21.2℃,已不具备多年冻土形成和保存的气候条件。据1992年7月间试坑和钻孔测温,在1.0~2.2m深处地温为5~8.4℃,浅层地下水温6.0~7.8℃,由此判断不存在多年冻土,季节冻结深度为1.0~2.0m。据冻土现象和试坑资料判断,周围山地海拔4150~4200m以上发育山地岛状多年冻土。区内沼泽演化表明,部分沼泽已疏干或向疏干趋势发展,草场退化和草原沙化已成为本区生态环境的重要问题,并已影响畜牧业发展

After a highway is built with dark asphalt pavement in the region of permafrost on the Tibetan Plateau, the relationship of heat exchange between atmospher and highway surface is changed. Especially, water evaporation from highway surface greatly decreases, thus the temperature of highway surface suddenly icreseases. Then the permafrost temperature increases and the permafrost table under roadbed drops year by year. As a result, veritically unlinked condition of permafrost appears and a residual thawed layer...

After a highway is built with dark asphalt pavement in the region of permafrost on the Tibetan Plateau, the relationship of heat exchange between atmospher and highway surface is changed. Especially, water evaporation from highway surface greatly decreases, thus the temperature of highway surface suddenly icreseases. Then the permafrost temperature increases and the permafrost table under roadbed drops year by year. As a result, veritically unlinked condition of permafrost appears and a residual thawed layer occurs between the bottom of seasonal freezing layer and the top of permafrost (named thawing bulb). The residual thawed layer is gradually developing year by year, ground ice in permafrost layer is thawing, a settlement of roadbed appears, and the communication and transportation will suffer from the thaw bulb.

在青藏高原多年冻土区,沥青路面的辅设改变了地表与大气之间的热交换关系,尤其是路面水分蒸发量大量减少,致使路面温度突然升高,多年冻土层内能量积蓄增多,地温升高,上限逐年下降。最终在路基下多年冻土顶板上形成融化夹层,并随时间延长,多年冻土顶板下降,融化夹层逐年扩大,多年冻土地下冰融化,路面破坏,严重影响道路运营

Based on the analysis of earthquake damages in Dedu County of Heilongjiang Province and the experimental data from dynamic triaxial stress strain test of frozen soil in low temperature, this paper presents the necessity of research of the dynamic characters of seasonal frozen soil, and gives out the calculated result of the values of elastic modulus, Poisson′s ratio, shear modulus and damping ratio of frozen soil under...

Based on the analysis of earthquake damages in Dedu County of Heilongjiang Province and the experimental data from dynamic triaxial stress strain test of frozen soil in low temperature, this paper presents the necessity of research of the dynamic characters of seasonal frozen soil, and gives out the calculated result of the values of elastic modulus, Poisson′s ratio, shear modulus and damping ratio of frozen soil under dynamic conditions,and also their relations with temperature of frozen soil and frequency of cyclic loading.

在分析黑龙江省德都县震害基础上,提出季节冻土动力特性研究的必要性。根据大量低温动三轴应力-应变实验资料给出冻土的动弹模量、动泊桑比、动剪切模量、动阻尼比的数值及它们与冻土温度、振动频率的关系。

 
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