tunnel shield 中文意思是什麼

tunnel shield 解釋
隧道盾構，鏡框
  • tunnel : n 隧道；地道；坑道；管道，煙道，風洞；【礦物】石巷，平峒。 tunnel warfare 地道戰。vt （〈英國〉 l...
  • 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；【...
  1. Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports

    首先，在前人研究成果的基礎上，對錨桿與圍巖的相互作用機理進行研究，利用全長錨固錨桿的中性點理論，從等效均化的角度來考慮錨桿對圍巖的加固作用，並推導了在簡單荷載作用下，含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解，對工程設計有著重要的參考意義；在數值模擬方面，以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎，利用虛功原理推導了接觸問題的有限元方程的計算格式，為開發運用大型商用有限元軟體msc . marc提供了理論根據，也形成了本文的理論基礎：最後，論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例，利用本文所述的接觸問題的摩擦模型理論，對錨桿支護結構的應力場、位移場的變化規律進行了研究，分析了加錨支護對隧洞圍巖應力、變形的影響。
  2. 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。
  3. Factors affecting joint stiffness of shield tunnel lining

    影響盾構隧道襯砌接頭剛度的因素
  4. Segment joint stiffness k ( subscript ) is an important parameter for the design of shield tunnel segment

    摘要盾構管片接頭彎曲剛度k （下標）是盾構襯砌結構計算中的一個重要參數。
  5. 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。
  6. Tunnel arrangement and parameter selection of soft metal shield support

    柔性金屬掩護支架的巷道布置與參數分析
  7. The primary contents are as follows : 1. according to the feature and the theory of shield tunnel construction, based on the factors that cause effects on environment, the workable monitoring project is established, which include principles of design, the selection of monitoring cross section, the layout of monitoring points, monitoring content and materials feedback. such as operation program, selection of earth pressure, wall - back grouting, rectification of shield machine, which are used to reduce the effect of construction on environment, are analyzed in detail

    完成的主要研究內容如下： 1 、根據盾構法的施工特點及原理，在明確了盾構施工安全影響因素的基礎上，從監測方案設計原則、監測斷面的選擇、監測點的布置、監測內容以及信息反饋等出發，提出行之有效的監測方案；詳細分析了掘進模式、土壓力選擇、壁后注漿、盾構糾偏等施工控制手段，用來減小盾構施工對周邊環境的影響。
  8. 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。
  9. Application of high performace concrete in lining segment of shield driven tunnel

    高性能混凝土在盾構隧道管片中的應用
  10. Study on factors influential in metro shield tunnel segment joint bending stiffness

    地鐵盾構隧道管片接頭剛度影響因素研究
  11. 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。
  12. Study on loads test of shield tunnel segment reinforced by double linings

    盾構隧洞雙層襯砌接頭荷載試驗研究
  13. Concerning the construction of the shallow cover and the special shallow cover in the tunnel under the special geology conditions, the principle of " to stabilize the slopes with protecting arch ; to strengthen the earth with the pipe - shield support grouting ; to dig a hole shallowly ; to blast slightly ; to use strong supporting structure. " has been adopted to enter the tunnel safely ; in terms of the broken belt, the effective actions such as the pipe - shield support grouting, strengthening the surrounding rock in advance with advanced bolt and steel grids, and so on, are taken to pass the poor conditioned part smoothly

    對于特殊地質中的淺理、特淺埋進洞的施工，堅持「護拱穩定邊仰坡，大管棚注漿加固土體，淺打眼、弱爆破、強支護」的原則，做到安全進洞；對于斷層破碎帶，則採取了管棚注漿，超前錨桿預先加固圍巖並結合鋼格柵支撐等有力措施，順利通過了不良地段。
  14. In order to validate the correctness of the simulation, the flow velocity of x vector is measured to compare the flow field between the simulation and the experiment in wind tunnel. the results indicate that the flow field is improved and more stable than the original shield flow field. the tendency between the improved shield and the original shield from simulation is consistent with the tendency from experiments

    開口罩蓋流場由於相對穩定，模擬和試驗的測點流速平均相對誤差為15 ，未開口罩蓋流場中由於渦流影響較大，平均相對誤差為22 . 45 ；同時驗證了結構改進前後罩蓋流場的模擬比較結果和試驗比較結果的趨勢是一致的。
  15. Some experiences on guangzhou metro are summed up and some suggestions on the present design of shield driven tunnel are put forward

    總結了廣州盾構隧道設計中的成功經驗，並對當前盾構隧道設計中有關問題提出了建議。
  16. 3d fem analysis of shield driven tunnel with super shallow depth

    超淺埋盾構法隧道施工方案三維有限元分析
  17. 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」 。
  18. The shield driven tunnel of yuexiu park to sanyuanli in no. 2 line of guangzhou metro has been built and used in informal business in 2002

    摘要廣州地鐵二號線越秀公園三元里區間盾構隧道已於2002年建成並投入試運營。
  19. This paper discusses methods of transporting waste materials in shield tunnel construction and selection of transportation vehicles, which provides a reference for shield construction in china

    摘要對地鐵隧道盾構法施工的棄碴運輸方式進行了詳細分析，並結合施工現場就運輸設備的選型作了較為全面的描述，為我國盾構機施工提供了參考。
  20. Analysis of random factors affecting on deformation of ground surface during shield - tunnel driving

    盾構法隧道施工影響地表變形的隨機因素分析
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