凍融層 的英文怎麼說
中文拼音 [dòngróngcéng]
凍融層
英文
mollisol-
Gathering my mantle about me, and sheltering my hands in my muff, i did not feel the cold, though it froze keenly ; as was attested by a sheet of ice covering the causeway, where a little brooklet, now congealed, had overflowed after a rapid thaw some days since
我用斗篷把自己緊緊裹住，把手捂在皮手筒里，所以盡管天寒地凍，卻並不覺得很冷。幾天前已經融化泛濫的小河，現在又凍結起來。堤壩上結了一層薄冰，這是寒冷的明證。There are lowering and backing of the ground when it was planated. planation can be classified into many types such as peneplaination, pedimentation, cryoplanation and double leveling surfaces planation
夷平作用大致可分為準平原化夷平作用、山足夷平作用、凍融夷平作用和雙層水平面夷平作用等幾種類型。According to whether there are later tectonic activities or not it can be divided into mountain planation surface, lower planation surface and buried planation surface. according to active condition, it can be divided into active surface, dormant surface, exotic surface and defunct surface. taking the base level into consideration, it can be divided into sea - eroded and deposited planation surface, denudated planation surface, snowline planation surface and upper eroded planation surface
依據夷平面形成后是否遭到後期構造變動將夷平面分為山地夷平面、原地夷平面和埋藏夷平面；依據夷平面的活動狀態可分為活動面、休眠面、外來面和廢止面；依據侵蝕基準面可分為海蝕-堆積夷平面、剝蝕夷平面、雪線夷平面和上部剝蝕夷平面；依據基底可分為穩定地帶上的夷平面和活動地帶上的夷平面；依據氣候帶可分為準平原、山麓面和聯合山麓面、雙層水平面和刻蝕平原、凍融山足面和凍融剝夷平原。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土到河中，覆蓋了?魚產卵所需的碎石。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土層、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，在凍土路基溫度場的保護和凍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土層溫度場的實際效果以及修築路堤后造成的影響，保溫板對土體含水量、凍結上限的影響，通過實測資料，研究了在一個完整的凍融周期內整個路基的凍脹量和融沉變形量，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。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，以及針對凍土地區普通混凝土樁存在的三大問題，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，即在凍融活動層的深度范圍內，在混凝土樁身的表面刻槽，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凍土和抬升凍土上限的目的。Permafrost fracture and ice fracture are both the result of freezing expansion without evident relation to tectonic deformation and regional structures
凍土裂縫和冰裂縫屬外營力成因地裂縫，是凍土與冰層不均勻融凍變形的重要表現形式。Fault fracture zones often form in active fault zones and appear as long extension with stable trending, they are jointly controlled by active faulting, underground water concentration and freezing expansion
斷層裂縫沿斷層破碎帶定向分佈，產狀穩定，成群產出，與斷層活動、地下水運移、不均勻凍脹存在密切的關系，是構造變形與融凍變形聯合、內外動力耦合產生的復合成因地裂縫。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
多年凍土區道路的修築，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，導致進入地層中的熱量增加，引起多年凍土區凍土的融化，從而導致路基面破壞。These problems that the influence of bond behavior among frp layers caused by the freeze - thaw action, and bond behavior between frp and concrete experienced freeze - thaw - iii - action are studied by test. in addition, the influence on integral structures by freeze - thaw action and wet - thermal condition is considered. 6
對于凍融循環對多層纖維增強復合材料之間粘結性能的影響、 frp片材與受到凍害混凝土的粘結性能問題、凍融循環對frp片材加固混凝土結構整體性能影響問題和濕熱環境對frp片材與混凝土粘結性能的影響問題進行了試驗研究。Test analysis on strength parameters of saline soil in alternation of freezing and thawing
凍融循環對含鹽土層強度參數影響的試驗分析Determination for freeze - thaw resistance of film of building coatings
建築塗料塗層耐凍融循環性測定法It is concluded that the freezing and thawing process and the thickness of active layers change with the changes of ground characteristics, affecting the permafrost further
結果表明，由於工程活動改變了場地下墊面性質，造成了不同場地活動層凍融過程、活動層厚度等的差異，進而影響了多年凍土變化。My wretched feet, flayed and swollen to lameness by the sharp air of january, began to heal and subside under the gentler breathings of april ; the nights and mornings no longer by their canadian temperature froze the very blood in our veins ; we could now endure the play - hour passed in the garden : sometimes on a sunny day it began even to be pleasant and genial, and a greenness grew over those brown beds, which, freshening daily, suggested the thought that hope traversed them at night, and left each morning brighter traces of her steps
積雪已融化，刺骨的寒風不再那般肆虐，在四月和風的吹拂下，我那雙曾被一月的寒氣剝去了一層皮，紅腫得一拐一拐的可憐的腳，已開始消腫和痊癒。夜晚和清晨不再出現加拿大式的低氣溫，險些把我們血管里的血凍住。現在我們己受得了花園中度過的游戲的時刻。About half of the route is across permafrost, which poses particular challenges because of the danger of subsidence caused by melting at the surface in summer
路線的大半是要穿過永凍土，由於存在夏季土層表面融化而導致的下沉危險，這便給運營帶來了特殊的挑戰。Moreover, through the contrast analysis of the microstructure pictures, the maximum dynamic stress of this kind of soil would decline after being frozen and melted
試驗結果顯示該層土體經凍融作用后最大動應力有較大削弱，並且隨著動荷載頻率的加大凍融后的該土體最大動應力降低愈嚴重。The change of heat and water process of the active layers at the engineering sites is intenser than that at the original surface site, and the permafrost stability of the engineering sites is lower than that at the original surface site
凍融期間工程活動場地活動層的水熱狀態變化要比天然場地強烈而且差異較大，工程活動場地凍土的穩定性比天然場地低。分享友人