shield method 中文意思是什麼

shield method 解釋
(隧洞工程中用的) 盾構法
  • shield : n 1 盾;盾牌。2 罩;屏;屏蔽。3 防禦物;保護物。4 防禦;保護。5 保護者;庇護者[人]。6 盾形物;【...
  • method : n 1 方法,方式;順序。2 (思想、言談上的)條理,規律,秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. A slot was cut in the back plate of the double - foil shield to improve the flow field with air diversion method. the flow field and droplets trajectory near the shield are simulated in wind tunnel by fluent software to analyze the wake flow affecting the spray drift. from simulation, the improved shield spray in reducing drift is better than double - foil shield spray and conventional spray in six types of wind velocity

    本文採用導流法在雙圓弧罩蓋上開口,利用fluent模擬分析和比較罩蓋噴霧流場,並模擬該流場下的霧滴運動軌跡來分析霧滴的飄失性,模擬結果表明:結構改進后的罩蓋噴霧流場得到改善,其減少霧滴飄失的效果好於原罩蓋,更優于常規無罩蓋噴霧。
  2. Abstract : in this paper, the efficient stress method is used as main means, while the railway engineering anti - earthquake design specification and the dynamic triaxial test are used as additional means. the authors analyze the ground layer liquefaction of shield tunnelling built on powder soil or fine sand, whose top plate is buried under two kinds of depth, and conclude that the liquefaction area is different with different buried depth. finally, the rational buried depth is proposed

    文摘:以有效應力原理的有限元計算分析為主、鐵路工程抗震設計規范及室內動三軸實驗為輔,對修建在粉土或粉細砂層中的盾構隧道進行了兩種不同埋深情況下的液化分析,得出了埋深不同液化區出現區域不同的結論,並提出隧道抗液化的合理埋深。
  3. Through analyzing all kinds of construction methods of building metro station under shield driven method in many countries, this paper studies the construction technique ( method ) of building metro station under shield driven method, taking in guangzhou no. 3 metro line, and linhe xilu station as the actual object. according to station class, function and topography and geology, the station schemes of twin - bore tunnel ( island ), firstly, three parallel tunnels ( island ), tri - bore tunnel ( island or side ) and four parallel tunnels ( island or side ) are proposed. secondly, the shape and main parameters of station structure on two schemes are analyzed with load - structure mode, for different overburden depth of tunnel and lining thickness, etc. thirdly, the construction process is simulated in 2d fem.,

    根據建站的規模、使用功能及站位地形地質條件,提出了兩連拱結構島式站臺車站、三條平行隧道島式站臺車站、三連拱結構島式和側式站臺車站以及四條平行隧道島式和側式站臺車站方案;採用荷載?結構模式,對四種方案的主體結構的形式和重要參數進行分析研究,分不同的埋深、襯砌結構厚度和拱形結構的拱跨比進行了多組數值計算;採用平面有限元方法對四種車站結構的開挖施作過程進行了模擬分析。
  4. By testing the arc shield voltage in different vacuum degree, it proves that the arc shield voltage method will be an effective online testing method when the vacuum degree is or lower than lpa, but the method will be no use when the vacuum degree is higher than 10 - 2pa

    通過對不同真空度下的真空滅弧室屏蔽罩電位的進行了測試,證實了用屏蔽罩電位法作為真空度在線監測的手段,對于真空度在1pa數量級上是可行的,但當真空度高於10 ~ ( - 2 ) pa時,此方法是不可行的。
  5. In arbitrary curvilinear coordinate systems, three dimensional turbulent combustion flow fields of the three kinds of turbofan engine afterburner with the longitudinal heat shield 、 outer cold flow and the jet nozzle are simulated. the three - dimensional body - fitted grids are generated by an elliptical grid generation procedure and zone method

    本文在任意曲線坐標系統下對三種帶有縱向隔熱屏、外冷卻通道和尾噴管的渦扇發動機加力燃燒室的三維紊流燃燒流場進行數值模擬。
  6. Based upon the practical situation against harm bird fault in thepower network of xiangfan power supply bureau, this paper introduced the characteristic of the bird harm fault, and analyzed its trip reasons and presented its integrated prevention method such as the installation of the sound arouser, composite sheds, repelling board, shield, sting, net, etc

    結合襄樊供電局所轄線路防止鳥害的實際,介紹了鳥害的特點,分析了鳥害跳閘的原因,提出了安裝驚鳥器、復合傘裙、防鳥擋板、防鳥罩、防鳥剌和防鳥網的綜合防止鳥害措施。
  7. Discussion on some technical issues relating to the shield mining method

    掩護支架採煤法若干技術問題探討
  8. Method to transform standing shield hydraulic supports shield hydraulic supports

    支撐掩護式支架改造成掩護式支架的方法
  9. On surveying means of shield method

    盾構施工測量方法淺探
  10. Finite element analysis of shield - beam and its strength evalution method

    掩護梁有限元分析及其強度評價方法
  11. The shape and the structure of the internal thermal shield are complicated. in this paper, a method which can be used to calculate the parameters which can influence the penetration of magnetic field is provided

    針對內冷屏幾何形狀和結構形式的復雜性,提出了一種求解反應其對磁場滲透影響的參數求解方法,這種方法也可用於任意形狀的復雜金屬殼體。
  12. In the end, two illustrated examples - one is two nesting thick cylinders subjected to internal pressure and the other is a shield - driven metro tunnel, were solved with this method successfully

    最後,應用給出的方法計算了2個算例內壓作用下2個相套厚壁圓筒接觸和用盾構法修建的地鐵隧道的受力變形。
  13. Part 3 is the empirical analysis to the influencing factor of listed company ' s capital structure in china, specifically with spss software and main composition analysis method, it correlated dividend policy, income tax, equity structure, non liability tax shield and income variation level of company, company growth, company ' s profit ability, asset structure, company ' s scale with capital structure ( the contents embrace btdr, bldr, bsdr ), we make the conclusion as follows : comparing with the research result of influencing factor of the company ' s capital structure of the developed country, the influencing factors of the listed company ' s capital structure in china have partial similarnesses

    第三部分中國上市公司資本結構的影響因素分析這部分是本文的重點之一,具體是採用spss11 . 5軟體,用主成分分析法與多元回歸分析,對公司的股利政策、所得稅、股權結構、非負債稅盾、收入變異程度、公司的成長性、公司盈利能力、資產結構、公司規模與代表資本結構的變量( btdr , bldr , bsdr )作相關研究,結果是:和發達國家公司資本結構的影響因素研究結果相比較,我國上市公司資本結構的影響因素存在部分相似性。
  14. According to this practical project, beijing metro no. 10 line crosses under the beijing metro no. 13 line existed station structure, this paper has made an overall and systemic analytical study on crosswise surface settlement and the longitudinal surface settlement process which influence by metro tunnel construction with shield driven method through analyzing a mass of site monitoring data. the settlements in different period are concluded, the crosswise surface settlement influence scope, some construction factors to surface settlement has been analyzed too

    本文針對北京地鐵十號線芍藥居至北土城東站區間隧道下穿既有城鐵十三號線芍藥居車站結構這一實際工程,通過大量的現場監測資料分析,研究了盾構掘進過程中對橫向地表沉降和縱向地表沉降的影響過程;探討了盾構掘進各個階段的沉降占總沉降量的百分比;分析了盾構掘進對橫向地表沉降的影響范圍,以及各種施工因素對地表沉降的影響。
  15. Considering the interaction of overlapped shield tunneling, the boundary element method was applied to analyze the ground displacement distribution and interaction between two adjacent tunnels in three typical situations

    摘要考慮盾構隧道疊交施工之間的相互影響,應用邊界單元法對相鄰隧道開挖過程中的三種典型疊交位置關系,引起的地層位移場分佈規律及相互影響進行分析。
  16. The famous project of gas transiting west to east and the cross - river tunnel of huangbu river in shanghai also will be constructed with this technique, which is under the plan. among the shield tunneling methods, up to now, earth pressure balanced shield tunneling ( epbs ) is the most universal type, and it is very certain that the epbs method adopt to our country increasingly. the key factor to success in epbs is converting the muck which is lack of fluidity excavated from the cutter face to the plasticity soil. but when the shied tunneling machine advancing, it is considerably difficult to reach this requirement because of the ground soil condition, which is consist of stiff clay, silt, weathered rock, and so on

    近些年來我國城市地鐵建設迅速發展,盾構施工法作為一種安全而又環保的施工方法得到了廣泛的使用,另外在黃浦過江隧道,西氣東輸的穿黃隧道等工程也在使用盾構隧道施工技術。這其中土壓平衡式盾構在我國的使用最為普遍,成為地鐵隧道施工技術的主流。土壓平衡式盾構施工成功的關鍵是要將開挖面切削下來的土體在壓力艙內調整成一種「塑性流動狀態」 。
  17. Test method for magnetic shield efficiency in attenuating alternating magnetic fields

    衰減交變磁場中磁屏蔽效果測試方法
  18. Standard test method for magnetic shield efficiency in attenuating alternating magnetic fields

    在弱交流磁場中磁屏蔽效率的標準試驗方法
  19. I had planned a system of simple gestures, such as movement in quadrant 1 for shield, movement in quadrant 2 for laser beam fire, as a method of control, complete with particle effects - pulsing laser shields and sound effects taken from previous work with sdl

    我設計了一個簡單的姿態系統作為控制方法,比如第一象限中的移動表示盾,第二象限中的移動表示激光劍,再加上粒子效果脈沖式激光盾和聲音效果來自以前用sdl完成的工作。
  20. Regarding the space debris bigger than 10, may based on the ground equipment observation establishment database, adopt the means which dodges to carry on the initiative protection ; but regarding the numerous small spatial fragment, it needs to carry on the risk assessment in the establishment engineering model foundation, adopts establishing the protection shield method to protect

    對于大於10的空間碎片,可以基於地基設備觀測建立數據庫,採取規避的辦法進行主動防護;而對于為數眾多的微小空間碎片,需要在建立工程模式的基礎上進行風險評估,採取設置防護屏的方法進行防護。
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