tunnel surrounding rock 中文意思是什麼

tunnel surrounding rock 解釋
隧道（洞）圍巖
  • 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...
  • surrounding : n 〈pl 〉周圍的事物[情形]，環境；附近。 picturesque surroundings 畫一樣美麗的環境。 social surrou...
  • rock : n 1 巖，巖石，磐石，巖壁；卵石；〈常 pl 〉〈美口〉石子兒；暗礁，巖礁。2 〈the R 〉直布羅陀 （Gibr...
  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. Analysis of tunnel in different permeate water pressure shows that the concretive rock surrounded the reinforced concrete liner has a great contribution the permeate water pressure. thus, the surrounding rock, together with the concrete liner, should be considered in safety evaluation of the tunnel

    通過對外水壓力變化情況下的不同分析，表明鋼筋混凝土襯砌和固結圍巖的聯合作用明顯，安全評估時應考慮襯砌和圍巖的聯合受力作用。
  3. Platy fractal zone model of surrounding rock of deep tunnel in deposit rock - mass stratum

    沉積巖中深部隧道圍巖層狀破壞模型
  4. Due to exceedingly flat arched vault of the flat tunnel with outsized span and renewed stress allocation in surrounding rock after excavation, which would inevitably induce some excessively large load on the base of arch, therefore, larger load - bearing capability in the is " foundation is a must. on the other hand, smooth face explosion must be applied to excavation of the arch base to further ensure the integrity and continuity of country rock around tunnel

    特大跨超淺埋隧道拱部結構過于扁平，開挖后發生二次應力分佈，拱腳處的應力過大，要求有較大的地基承載力，拱腳開挖時必須採用光面爆破，保證圍巖的完整性和不受擾動，開挖后及時封閉，防止該處積水軟化圍巖。
  5. Besides, this paper adopts the random finite element method, uses geometric and physical mechanical parameters that are relevant to lining weight of surrounding rock, coefficient of lateral pressure, height or buried depth of vertical loading, elastic resistance coefficients of surrounding rock, elastic modulus of support structure, unit weight of concrete, thickness of the structure as well as torsional strength and compression strength of concrete and etc., as random variables, applies the monte - carlo method to sampling by computer, preliminarily evaluates the reliability of bearing capacity and stability of molded concrete lining of the xuefeng mountain tunnel, and obtains the related displacement of the lining, mean value and variance of internal force, and computed the reliability index of lining structures

    此外，本文採用隨機有限元方法，將圍巖容重、側壓力系數、垂直荷載高度或埋深、圍巖的彈性抗力系數、支護結構的彈性模量、混凝土容重、結構的厚度以及混凝土的抗扭與抗壓強度等與襯砌結構有關的幾何與物理力學參數作為隨機變量，應用蒙特卡洛理論進行計算機隨機取樣，對雪峰山隧道模注混凝土襯砌的承載力與穩定性的可靠度進行了初步評估，得出了襯砌的相關位移與內力的均值和方差，並計算出了相應的襯砌結構可靠指標。
  6. ( 2 ) taking the geology analysis as main way and combining the pre - test, predicating the tunnel ' s main geology condition ( rock quality, surrounding rock classification, long - wide joint, fault, ground water, crustal stress ), and predicating the main potential disaster ( collapse, breaking water, rockburst, large deformation ) ( 3 ) employing the stress test result and inverse analysis of the stress field, finding out the crustal stress " s distributing rule along the tunnel axes section : the highest crustal stress is 24mpa near the deepest spot, and predicting that the k2 + 260 ~ k3 + 000 likely to be the high crustal stress segment for this tunnel

    通過地質分析、類比分析、監控量測、數值模擬、神經網路等方法，對鷓鴣山隧道潛在的主要地質災害（塌方、涌水、巖爆和大變形）進行了預測預報（ 3 ）在現場地應力測試成果的基礎上，運用數值計算進行應力場反演，基本查明了沿隧道軸線剖面的地應力分佈規律：地應力量級在最大埋深附近達到最大值24mpa ，並預測k2 + 260 k3 + 000段將很可能成為鷓鴣山隧道的高地應力段。 （ 4 ）塌方往往與斷層破碎帶及千枚巖相聯系。
  7. With the increase of lateral pressure modulus, the magnitude of principal stress decreases and the direction of it is hardly changeable ; with the increase of the angle between the direction of the maximal horizontal principal stress on magnitude and the fault bearing, the magnitude of principal stress increase and its direction can hardly change ; with the increase of the elastic modulus of rocks, the magnitude of principal stress increases and the direction changes more ; with the increase of pr, the magnitude of principal stress decreases and the direction changes more ; with the increase of lateral pressure modulus, the principal stress at hance, the tress at topmost arch, bottom arch and principal stress at lateral arch decreases, with the increase of the depth of tunnel, the stress of surrounding rock also increases, and the poorer the quality of surrounding rock is, the little its principle stress is

    分析得出，隨著側壓力系數的增大，主應力量值減小，主應力方位難改變；隨著與斷層走向的夾角增大，主應力量值增大，應力方向難改變：隨著巖石的彈性模量的增大，主應力量值增大，方向變化越大；隨著泊松比的增大，主應力量值減小，方位變化越大。隨著側壓力系數的增大，頂、底拱處的各應力值增大，拱腰處的主應力減小，剪應力增大，側拱處的各主應力減小，同一側壓力系數的條件下圍巖質量越差，各應力值也越小；隨著洞室埋深的增加，圍巖壓力也增大，圍巖質量越差，其應力值也減小。
  8. Finally, the thesis primarily sets up the internal force model of the supporting structure system in the bi - arch tunnel, namely, the distribution model of the surrounding rock ' s pressure, the internal force model of the steel framework and the axial force model of the anchor bolt, and these results can have the guiding significance to the design and construction of the similar tunnel engineering

    最後，結合有限元的理論計算及現場實測數據的分析，初步建立了雙連拱隧道支護結構體系的內力模型，即：圍巖土壓力模型、初期支護鋼拱架內力（主要為軸力和彎矩）模型以及錨桿軸力模型。充分理解和闡述了構件的工作狀態，對今後類似隧道工程的設計和施工具有一定的指導意義。
  9. Associated with a project of the planned xuefengshan tunnel with 7. 6 km long during the construction of shaoyang to huaihua expressway in hunan province of shanghai to ruili national trunk highway, this paper firstly makes an introduction of the frequently - used analysis & computation methods for tunnel supporting structure. then, based on the analysis of the basic theory about the interaction mechanism of surrounding rock and support structure, a spatial computation model is made, a coupling numerical computation method with 3 - d elastic - plastic finite element and infinite element is proposed, and a comprehensive analysis has been made to the effects of the overall stability and safety of the surrounding rocks of different characteristics, different classes and under different construction methods. and thus the problem of 3 - d infinite region to which applying the general finite ca n ' t do has been resolved

    6公里的雪峰山隧道工程，首先介紹了隧道支護結構的常用分析計算方法；然後通過對隧道施工過程中，洞室穩定性與支護結構相互作用機理的深入分析，建立了隧道施工過程的空間計算模型，提出了採用三維彈塑性有限元-無限元耦合的數值計算方法，綜合分析了隧道在不同圍巖特性和圍巖類別條件下，以及不同施工開挖方案等對隧道圍巖整體穩定和安全性的影響，從而解決了通用有限元方法難以解決的隧道三維無限域問題；其可充分發揮有限元法在分析非線性方面的有效性和成熟性，以及無限元法在分析處理無限域和半無限域方面的精確性和簡便性，為隧道施工過程中圍巖的穩定性分析開辟了一條新的途徑。
  10. The lining of a tunnel in the area with high groundwater table does not bear high external water pressure in - normal, the surrounding rock reinforced by intrusion concrete does it. in the case, the groundwater through reinforced rock accumulated in the space between lining and rock must be drained in time

    一般鐵路隧道通過高水位富水區時，不用襯砌直接承受較高的外水壓力，要實現這個設計目標必須做好襯背的排水工作，使通過加固圈滲透過來的水量及時排走，及時削減累積的水量。
  11. ( 2 ) when tunnel water is blocked up fully behind the lining, water pressure on the lining will reach maximum at last so long as surrounding rock near the lining is infiltrative no mattter how much the permeability coefficient of surrounding rock is

    （ 2 ）隧道採用完全不排水措施時，只要襯砌附近的圍巖滲水，襯砌背後與含水圍巖有水力聯系，不論滲透系數多大，襯砌背後最終水壓會達到靜水壓，計算時水壓不宜折減。
  12. Abstract : the application of smoothwall blasting in crushed surrounding rock of no. 2 tunnel with crushed surrounding rock has obtained more satisfactory results through selecting rational blasting parameters, adopting right supporting method and controlling the overbreak or underbreak of the tunnel effectively, etc

    文摘:在周家山2號隧道破碎圍巖施工中，應用光面爆破技術，通過選擇合理的爆破參數，正確的支護施工方法，有效地控制隧道的超欠挖，加快掘進速度，取得了較理想的效果。
  13. ( 6 ) according to test result and data, combined with water and geological feature of railway tunnel surrounding rock, a suggested table of decrease coefficient about external water load on railway tunnel lining structure is put forward

    （ 6 ）根據試驗結果和數據，結合鐵路隧道圍巖水文地質特徵、地下水影響情況以及其他行業有關資料，初步提出了鐵路隧道襯砌結構外水荷載折減系數建議表。
  14. Fractal character of over - excavation of tunnel surrounding rock

    隧道圍巖超挖的分形特徵研究
  15. Analysis of the variation rule about the tunnel surrounding rock ' s temperature field

    隧道圍巖溫度場變化規律理論分析
  16. The process and methods of monitoring measurement in the course of construction are detailed the measuring data analyzed and treated are studied. besides the forecast and calculate of tunnel surrounding rock stably displacement are deeply researched, and according to the uncertainty of geotechnical engineering, grey verhulst model is put forward to forecast tunnel surrounding rock displacement based on optimizing gm ( 1, 1 ) model

    介紹了隧道施工監控量測的過程和方法，對量測數據的處理技術與分析方法進行了研究，深入地研究了隧道圍巖穩定位移的預測預報，並針對巖土工程的不確定性，在優化gm （ 1 ， 1 ）模型的基礎上，提出了用灰色verhulst模型預測隧道圍巖位移。
  17. Tunnel surrounding rock

    隧道洞周圍一定范圍內
  18. Analysis of interaction between tunnel surrounding rock and supporting structure in mining area

    巷道圍巖與支護相互作用分析
  19. On the basis of thorough analysis tunnel surrounding rock ' s stability, bad situation appear in the tunnel construction are probed into, meanwhile, the reason are analyzed and precautionary measure and the ways to solve the problem are provided

    在綜合分析隧道圍巖穩定性的基礎上，對隧道施工中出現的各種不良現象進行了研究，分析了問題產生的原因，提出了預防措施及解決辦法。
  20. The erosion effect damage variable can be defined in many ways, while the one defined in wave velocity by author is more appropriate for deep buried tunnel surrounding rock. for the evolution of hydraulic damage under complex mechanics environment, the extension of branch fracture means the initiation of evolution, and the hydraulic damage evolution equation can be deduced by the method of fracture mechanics

    水化-水力損傷巖體中損傷變量可以採用多種方法定義，在分析隧道巖體內部結構時，彈性波速是比較容易量測的巖體物理量，可用其來定義巖體中的腐蝕損傷變量。
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