凍土層 的英文怎麼說

中文拼音 [dòngcéng]
凍土層 英文
frozen soil layer
  • : Ⅰ動詞1 (液體或含水分的東西遇冷凝固) freeze 2 (受冷或感到冷) feel very cold; freeze; be frostb...
  • : i 量詞1 (用於重疊、積累的東西 如樓層、階層、地層) storey; tier; stratum 2 (用於可以分項分步的...
  1. Because the road line is in mountainous region and heavy hilly area and its surface relief undulates greatly, more slope wash and dilurial layer distribution, there are more harm, for example, island shaped perennially frozen soil, drift ice and so on, which effect the stability of the road foundation

    由於沿線地處山嶺重丘地區,地勢起伏較大,坡積物及洪積分佈較多。故島狀多年、涎流冰等病害較多,影響路基的穩定。
  2. Practices of mine shaft sinking construction in deep mine freezing shaft

    深厚表井筒結段施工技術
  3. The first geologic reason for degeneration of the eco - environment in the headwater area of the yellow river is that the increase of the recent geologic function caused desertification and grasslands resource decreased and underside changed, destroied the balance of water - air - heat in the area ; the second is that the water environment changes by the degradation and atrophy of frozen earth cause multilayer and synthesis cause of formation degeneration of the eco - environment ; the third is that the man and rats function accelerated degeneration of the eco - environment in the headwater area of the yellow river

    摘要黃河源區生態環境惡化的地質原因之一是現代地質作用增強,形成以荒漠化為主的草地資源退化與下墊面改變,地區水氣熱平衡破壞;二是因退化、萎縮,引起水環境變異,導致多面與綜合成因的生態環境惡化;三是人為及鼠類活動對源區生態環境惡化起著推波助瀾的作用。
  4. Applying those engineering techniques, at present, the following results are obtained : the ground temperatures on the top and at the bottom of an embankment made of crushed rock are all lower than those of common embankment, so the crushed rock embankment is of great advantage of decreasing embankment temperature, and becomes an effective and initiative engineering measure to protect permafrost ; the crushed rock embankment can actively adjust the temperature difference between south slop and north slop, and mitigate the asymmetry of ground temperature ; the deformation of the crushed rock embankment is less than that of common embankment

    通過以上的施工技術,取得了相應的階段性成果:片石路基片石頂面、底面與路基基底位置處地溫分別低於普通路基相同位置處地溫,片石路基有利於降低路基地溫,是一種有效的主動保護多年工程措施;片石路基在調節路基陰陽坡地溫起到了積極的作用,減輕了路基地溫不對稱性的發生;對比片石路基和普通路基的路基變形量,片石路基的變形量相對較小。
  5. Permanently frozen subsoil, occurring throughout the polar regions and locally in perennially frigid areas

    永久冰的下壤,出現在整個北極地區和部分長期寒冷的地區
  6. In alaska, salmon populations are faltering as melting permafrost pours mud into rivers, burying the gravel the fish need for spawning

    在阿拉斯加, ?魚群的數量正在逐漸減少,因為永久凍土層融化帶入大量的泥到河中,覆蓋了?魚產卵所需的碎石。
  7. Actual measure and numerical simulated forecast analysis of dangerous position freeze temperature field of deep topsoil layer

    深厚表危險結溫度場實測與數值模擬預測分析
  8. A recent study suggests, however, that permafrost ices below the surface of mars may have altered the effects of impact on it

    但是,近來的研究表明,火星表面下的永久結冰可能改變了這種沖擊效應。
  9. From experimental result, i preliminarily know that eps is good thermal insulation material because the absorption of water is low and heat insulation is good, it is practicable at preserving temperature field of frozen earth roadbed and bringing frozen disaster under control ; second, according to the analysis of the eps that is applied into practical project, i have studied the practical effect which eps preserve roadbed temperature field, and the influence that was made after building field. i have get that eps can influence moisture content and frozen upper limit, through practical measuring data, i have studied freezing and expanding quantity and melting and submerging quantity during a complete frozen and melting cycle as well as have expanded and proved the practical application effect of eps with some reference significance to deep research of some connected problems. finally, through computer data analysis, setting up the analytical model of finite unit, i have simulated the temperature field of roadbed heat preservation, then expounded and proved that the height of embankment influenced the effect of thermal insulation material

    其一是對聚苯乙烯泡沫塑料( eps )保溫板以及天然路基、路堤填料進行了室內試驗分析,結合國內外現在的有關科研成果,綜合確定其各項特徵參數;從試驗結果初步認識到聚苯乙烯泡沫塑料是一種吸水率低,隔熱性好的保溫材料,在路基溫度場的保護和害治理方面是可行的;其二通過eps保溫板在現場工程實踐中的應用分析,研究了保溫板在保護路基溫度場的實際效果以及修築路堤后造成的影響,保溫板對體含水量、結上限的影響,通過實測資料,研究了在一個完整的融周期內整個路基的脹量和融沉變形量,論證了保溫板的實際應用效果,對有關問題的進一步研究和相關工程設計具有參考意義;其三,通過計算機數值分析,建立有限元分析模型,對保溫路基的溫度場進行了模擬計算,論證了路堤高度對保溫材料效果的影響。
  10. There are three main genetic types : ( 1 ) biogas generated in high - latitude and low - temperature permafrost zone : ( 2 ) biogas generated in high salinity environment in high elevation ; ( 3 ) biogas in shallow pay generated in recent sediment

    其主要成因類型有3種:高緯度低溫,永久帶下形成生物氣;高海拔、高鹽度環境下形成生物氣;現代沉積物形成淺生物氣。
  11. Thaw settlement cause negative friction. this paper base on the thought of " initiative cooling ", aim at three problems existing in common concrete pile used in frozen soil, a new type of pile is proposed to overcome the disadvantages of the classical pile used in frozen soil. pile body within active layer is fluted and refilled with porous materials such as gravels and ballasts, convection will be occur and then thermal exchange inside porous material in winter while only heat conduction exists in summer, as a result the soil around flutings will be cooled, so the top line of permafrost will be drive up

    本文基於「主動冷卻」地基的思想,以及針對地區普通混凝樁存在的三大問題,提出了一種新型樁的設計思路,運用數值模擬試驗手段對其冷卻機理與加固機理進行了系統研究,即在融活動的深度范圍內,在混凝樁身的表面刻槽,修築完時槽內填充碎石、塊石等多孔介質,通過外界大氣溫度的自然波動下多孔介質在冬季時存在的對流換熱機制,而在夏季只存在熱傳導,來達到主動冷卻樁周和抬升上限的目的。
  12. Finally, this paper initially builds up a synthesis atsm design method for such areas. we sincerely hope the achievement of this research can be applied to settle the destructions and improve the performances of base course in perennially frozen soil zone

    研究中,採用改進的大型馬歇爾試驗成型試件,試驗研究結果表明,瀝青穩定碎石各項路用性能優良,能夠滿足多年地區公路瀝青穩定基的使用要求。
  13. So analyzing the unique environment the highways there faces and researching the performance of asphalt mixes base course, and to imply a complete atsm ( asphalt treated stones mixes ) design method for base is an important question of our country ' s construction in wide perennially frozen soil zone

    目前我國瀝青穩定基使用較少,在多年地區更是空白,所以分析多年地區公路所面臨的特殊自然環境,研究瀝青穩定碎石基的路用特性,提出瀝青穩定碎石混合料的設計方法是我國廣大多年地區公路建設的一個重要課題之一。
  14. Seismic fracture, fault fracture and permafrost fracture all gave negative effects on engineering construction and formed geological hazards at many localities along the golmud - lhasa highway and railway ice fractures formed in freezing rivers and lakes and on the top of pingos have not shown any hazard effect on engineering constructions up to the present

    地震破裂、斷裂縫和裂縫對青藏公路、青藏鐵路及沿線工程安全具有不良影響,這些地裂縫切割錯斷路基,形成路面破裂和路基滑塌,產生顯著的災害效應。
  15. Through surveying and analysis by synthesis of the environment of qingzang highway and the damage condition of the highway ' s base course, this paper take experiments of the key performances of the atsm, discusses the standards of control indexes of atsm for base courses in perennially frozen zone. by all the results of such experiments, a conclusion is obtained that the strength and all the pavement performances properties of the atsm are good enough to be used to build the base course of highway in perennially frozen soil zone

    寒區半剛性基強度較難形成,而形成板體的基又大多出現嚴重的反射裂縫,影響了使用性能,因此,本文通過調查與分析青藏公路的自然條件和路面基及面的損壞狀況,對基瀝青穩定碎石的強度、低溫抗裂、疲勞以及抗等各項路用性能進行了試驗研究,探討了多年地區基混合料的關鍵路用性能的各項指標。
  16. Permafrost fracture and ice fracture are both the result of freezing expansion without evident relation to tectonic deformation and regional structures

    裂縫和冰裂縫屬外營力成因地裂縫,是與冰不均勻融變形的重要表現形式。
  17. Roadbed construction on permafrost will give substantial disturb for the heat and mass transfer balance between the ground surface and atmosphere, usually, roadbed construction increases the amount of absorbed heat via vegetation removal, solar radiation and increased role of water activities in the adjoining area, then cause the local degradation of the permafrost underneath, as a result may lead to damage of the roadbed

    多年區道路的修築,改變了原來天然地表與外界的熱交換關系,通常由於地面植被的破壞、太陽輻射和水的影響,導致進入地中的熱量增加,引起多年的融化,從而導致路基面破壞。
  18. Effects of frozen soil layer and radiant damp of foundation soil on site earthquake responses are studied in detail. the seismic wave that is prerequisite at the seismic responses calculation of structure is obtained by using back analysis

    研究了凍土層的存在、地基輻射阻尼等因素對場地地震反應的影響以及通過反演計算得到結構地震反應分析時所需要的地震波。
  19. Effect of frozen soil layer on seismic response of bridges

    凍土層對橋梁地震反應的影響
  20. Engineers designed bridges to span the most treacherous area of permafrost and sank naturally cooled piping into the ground to keep the track bed frozen year - round, reducing instability

    中國鐵路建設者們在永地段設計了橋梁,堅固的水泥橋墩深深地埋在永凍土層里,克服了路基不穩定的難題。
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