shaft wall 中文意思是什麼

shaft wall 解釋
井壁砌壁
  • 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;...
  • 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...
  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. 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
  13. 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
  14. 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
  15. Quick construction of main shaft wall in base rock period in hu xi coal mine

    湖西礦主井井筒基巖段快速施工
  16. Study on distributing rule of additional force of compressible shaft wall in hydrophobic settlement stratum

    疏水沉降地層豎向可縮性井壁附加力分佈規律研究
  17. Causes analysis of shaft wall damage in yan - teng mining district and its prevention and contyolling method

    兗滕礦區立井井壁損壞的原因分析及防治方法
  18. Variety rules of concrete strain of outer shaft wall were carried out based on in - situ measurement during freeze sinking of longgu mine auxiliary shaft

    摘要通過龍固副井凍結鑿井期現場實測,獲得了龍固副井外層井壁混凝土應變的變化規律。
  19. Study on mechanical characteristics of reinforced concrete arc shaft wall in frozen shaft

    凍結井鋼筋混凝土弧形板井壁力學特性研究
  20. Based on the research progress about shaft wall fracture, some aspects are proposed for further research, including the water level of aquifer, thermal stress, quality of shaft wall, and prediction of dangerous depth of shaft wall fracture in advance, etc

    摘要結合目前井壁破裂研究的狀況,提出幾個值得進一步研究的問題,包括含水層水位、溫度應力、井壁質量及井壁破裂位置的超前預測等。
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