wall shaft 中文意思是什麼

wall shaft 解釋
墻面支承穹肋的小柱
  • wall : n 1 墻壁；（石、磚等的）圍墻；城墻。2 （形狀、用途）像墻壁的東西，障壁；土堤，堤防。3 （礦井、容...
  • shaft : n 1 箭；箭桿。2 （槍、槌、斧等的）柄；矛。3 【植物；植物學】稈；莖；柄。4 【動物；動物學】羽軸；...
  1. If the external dia of shaft liner is big, the wall thickness is high, the tension is also high, so the interference of shaft liner a little low, contrarily, high

    軸套外徑大，壁厚相應加大，壓配合張緊力也大，過盈量可取小些反之，則取大些。
  2. 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。
  3. Discussion on coercibility of shaft wall structure in deep thick surface seam shaft

    深厚表土層井筒可縮井壁結構的探討
  4. Safety of the shaft wall was discussed taking into account of ultimate compressive strain of high strength concrete ( hsc )

    結合高強混凝土的極限壓應變，分析了井壁結構的安全性。
  5. The study proved that tensile strain arose firstly in the outer shaft wall after it ' s building, then decreased gradually with decreasing of temperature, finally, it converted to compressive strain

    研究表明：外層井壁澆筑後，混凝土首先產生拉應變，而後隨井壁溫度下降而逐漸減小並轉變為壓應變。
  6. A kind of measurement was developed to measure the air concentration of water and the result showed the possibility of entrained air existing near the wall of drop shaft. that is to say, the wall of drop shaft may be protected by entrained air from cavitation damage to some extent

    本文設計了一種適用於近壁區水流摻氣濃度測量的方法，對空腔段水流摻氣濃度進行初步測量，發現井壁附近水流存在摻氣的可能，這對改善水流空化條件能起到積極作用。
  7. Cement injection of perforating holes in a frozen pipe is a wholly - new technology for consolidating shaft wall rock and stopping water of frozen shafts in coal mines

    凍結管射孔注漿是在對石油輸油井射孔技術和地面注漿技術進行研究的基礎上，開發出的一種用於煤礦凍結井筒圍巖加固和堵水的全新技術。
  8. Abstract : cement injection of perforating holes in a frozen pipe is a wholly - new technology for consolidating shaft wall rock and stopping water of frozen shafts in coal mines

    文摘:凍結管射孔注漿是在對石油輸油井射孔技術和地面注漿技術進行研究的基礎上，開發出的一種用於煤礦凍結井筒圍巖加固和堵水的全新技術。
  9. The technology, which is developed on the basis of perfora ting techniques for oil wells and cement injection techniques, can not shoot thr ough the frozen pipe wall at predetermined ground location using energy - gatheri ng - blasting techniques, but also consolidate shaft wall rock by cement injectio n and filling along the frozen pipe and perforated hole s trajectories, achievi ng leakageproof of shaft walls and reducing vertically - added force

    它利用聚能射孔爆破技術，在預定地層位置將凍結管射穿，同時在地面利用凍結管及射孔彈道對特定地層進行注漿充填加固，既可實現井壁堵漏，又能減少由於地層沉降對井壁的垂直附加力。
  10. Chemical grouting technology for leakage - prevention of deep shaft wall rock with high inclined angle and fine fissure

    深井高傾角微裂隙圍巖防滲化學注漿治理
  11. In order to ensure the safety of engineering, it should be careful to use the test result of normal drilling sampling, the pitting sampling, shaft sampling, or double - tubles and thin - wall soil collecting methods should be used

    為保證工程安全，對常規鉆孔取樣試驗成果的使用應當慎重，對重要工程宜採用探坑、豎井取樣，或採用雙筒薄壁取土技術。
  12. Abstract : in this paper, designs for foundation pit drainage, concrete pouring as well as side wall form, etc in shaft well construction are discussed

    文摘:介紹了豎井施工中有關基坑排水、混凝土澆築以及側壁模板等設計問題。
  13. On each landing, opposite the lift - shaft, the poster with the enormous face gazed from the wall

    每上一層樓，正對著電梯門的墻上就有那幅畫著很大臉龐的招貼畫凝視著。
  14. Method of main shaft wall construction expansion clay in lu xi coal mine

    魯西煤礦主井井筒施工膨脹性粘土段措施
  15. The research about the fracture regularity of the frozen shaft wall in surface soil

    凍結立井表土段井壁破壞規律研究
  16. The catheter is then withdrawn back into the right ventricle, with the first disc positioned against the left ventricular wall and the connecting shaft filling the hole created by the rupture

    導管接著後退進入右心室，隨著第一片定位在左心室壁上，連接軸填充心臟破裂所形成的缺損。
  17. If the using abrasion speed is low and the loading is not very big, but it undertakes heavy impact when running, it is better to apply thick wall shaft liner, for if the wall is too thin, the rigidity is not enough

    如果使用滑動磨擦速度較低，負載不是很大，但運轉時受很大的沖擊，此時應採用厚壁軸套。如果軸套壁薄，剛度不足，可與金屬外套復合使用。
  18. Analysis of freeze shaft wall damage in dongrong no. 3 coal mine

    東榮三礦凍結段井壁破壞原因簡析
  19. Rail vehicles ; self - discharging wagon with side - wall flaps ; square for locking shaft

    鐵路車輛.帶側壁活門的自卸車.鎖環軸的方頭
  20. Outside wall fast diging construction of the freezing segment of the auxiliary shaft in guqiao coal mine

    顧橋礦副井井筒凍結段外壁掘砌優質快速施工
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