深冷凍下 的英文怎麼說

中文拼音 [shēnlěngdòngxià]
深冷凍下 英文
in a deep-freeze
  • : Ⅰ形容詞1 (從上到下或從外到里的距離大) deep 2 (深奧) difficult; profound 3 (深刻; 深入) thor...
  • : Ⅰ形容詞1 (溫度低; 感覺溫度低) cold:冷水 coldwater; 你冷不冷? do you feel cold?; are you feeling...
  • : 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...
  • : 下動詞1. (用在動詞后,表示由高處到低處) 2. (用在動詞后, 表示有空間, 能容納) 3. (用在動詞后, 表示動作的完成或結果)
  1. 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「主動卻」地基的思想,以及針對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卻機理與加固機理進行了系統研究,即在融活動層的度范圍內,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,來達到主動卻樁周土和抬升土上限的目的。
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