水井豎管 的英文怎麼說

中文拼音 [shuǐjǐngshùguǎn]
水井豎管 英文
drop pipe
  • 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
  • 井 : Ⅰ名詞1 （從地面往下鑿成的能取水的深洞） well 2 （形狀像井的東西） sth in the shape of a well 3 （...
  • 豎 : Ⅰ形容詞（跟地面垂直的; 從上到下的） vertical; upright; perpendicular Ⅱ動詞（使物體跟地面垂直） se...
  • 管 : Ⅰ名詞1 （管子） pipe; tube 2 （吹奏的樂器） wind musical instrument 3 （形狀似管的電器件） valve;...
  • 水井 : well
  1. In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively

    本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討，取得以下主要成果：一、結合小灣工程導流洞改建，對高水頭（ 252m ） 、大泄流量（ 1400m ~ 3 s ）條件下旋流式豎井中的水流運動特徵進行了比較全面的測量，包括空腔形態、徑向流速分佈及井壁壓強等；二、提出了豎井空腔段螺旋水流水力計算方法，其計算結果與實測值吻合良好；三、利用試驗與計算結果，對旋流式豎井的消能機理進行了探討，對豎井各部分的消能能力有了總體認識；四、對豎井下部消力井的合理井深進行了優化試驗研究，發現消力井合理深度為0 . 9d左右；五、通過試驗研究，歸納出豎井水流總摻氣量估算方法，為導流洞排氣方案的設計提供了參考依據；六、在高水頭、大流量條件下，豎井空腔段下部流速很高，盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓，但空化數依然較低，因此豎井的空化空蝕始終是工程界關注的重大問題。
  2. Experiment study on hydraulic condition at the intake of inverted siphon with drop shaft

    豎井式倒虹吸管進水口水力條件的試驗研究
  3. After analyzing the adaptability of molepipe drainage, an underground water table regulation is given out. finally, the efficiency of the drainage technique is determined after its comparison with gutter drainage and vertical drainage, and deep research on the effect of molepipe drainage on water table in a typically selected area

    對暗管排水的適應性進行分析，提出了灌區地下水調控標準，與明溝排水和豎井排灌相比較，對暗管排水典型區調控地下水位的效果進行深入的分析研究，以確定這一排水技術的效果。
  4. Means any place in which, by virtue of its enclosed nature, there arises a reasonably foreseeable specified risk, and without limiting the generality of the foregoing, includes any chamber, tank, vat, pit, well, sewer, tunnel, pipe, flue, boiler, pressure receiver, hatch, caisson, shaft or silo in which such risk arises

    指任何被圍封的地方，而基於其被圍封的性質，會產生可合理預見的指明危險，在不局限於這個一般性的原則下， 「密閉空間」包括任何會產生該等危險的密室、貯槽、下桶、坑槽、井、污水渠、隧道、喉管、煙道、鍋爐、壓力受器、艙口、沉箱、豎井或筒倉。
  5. To take an actual example, the triple pipe method has been adopted to consolidate the surrounding soil by rotary shot grouting pile and swaying shot diaphragm wall in the construction of vertical shaft and access drift of running tunnel from martyr ' s park to dong shan kou station in no. l line of guangzhou metro. it turns out that this method has met the double effect of both construction support and waterproof

    作為施工實例，在廣州地鐵一號線烈士陵園至東山口區間隧道的豎井及聯絡通道施工中，採用三重管法對周圍地層實施了旋噴樁和擺噴墻加固，達到了施工支護和防水止滲的雙重效果。
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