surrounding rock stability 中文意思是什麼

surrounding rock stability 解釋
圍巖穩定
  • 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...
  • stability : n. 1. 穩定，穩定性，穩度。2. （船等的）復原力。3. 鞏固；堅定，持久不變。
  1. This paper utilized the deformation characteristics of rock and expatiates on the strain test method of surrounding rock by which to judge the surrounding rock ' s stability, and to choose the suitable opportunity and style of the secondary lining

    摘要利用巖體的變形特性，通過測試隧道圍巖應變出隧道凈空實際收斂量，從而判定施工過程中隧道圍巖的穩定性，為選取合適的支護時機和方式提供依據。
  2. 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。
  3. Relating closely to the main problem of the high sidewall and wide span underground cavities excavation stability of xiluodu hydroelectric project, the evolution characters of geo - stress field in deep - cutting gorge and the whole features of the stress field, strain field and plastic failure zone around the underground chambers after excavation are studied systematically in the dissertation, based on a great deal of data gathered in field investigation and taking the flac3d v2. 0 software as basic computation tools. meanwhile, in the course of research, the new methods of dynamic numerical simulation are summarized and applied. furthermore, the effects of rock mass qualities, initial geo - stress field and excavation procedure on surrounding rock mass stability are discussed

    本文緊密結合溪洛渡水電工程大跨度、高邊墻復雜地下廠房洞室群，施工開挖過程中和開挖后圍巖穩定性研究這一重大課題，在詳盡的野外地質調查工作和對大量基礎地質資料的整理與分析基礎上，以目前國際工程地質界公認的最新通用軟體flac ~ （ 3d ） 2 . 0版作為基本計算工具，從整個壩區地應力場的研究開始，通過動態數值模擬分析這一新的模擬思路，系統地研究了深切峽谷區地應力場多階段的特徵和演變規律，進而對左、右岸地下廠房洞室群開挖全過程中圍巖應力場、變形場和塑性破壞區的變化特徵，進行了全過程動態數值模擬研究，並詳細討論了圍巖質量、初始地應力場、施工開挖順序對大型地下洞室群圍巖穩定性的影響。
  4. According to the research results of the rock quality calculation, the columnar section digitlizing, the rock mass structure diagnosis and other methods this paper used engineering limited parameters, basic structure and evolutionary structure of rock mass as the first grade indexes, proposed the technique of dynamic engineering classification of stability of mine road surrounding rock mass ? dec ?, pointed out the method of using dec results

    基於圍巖質量計算、柱狀圖數字化與重組、圍巖結構診斷、采動應力作用后圍巖結構演化等研究成果，採用工程要求、基本結構、演化結構」為一級指標，提出了巷道圍巖穩定性動態工程分類技術、分類結構的表達技術及分類結果的應用方法
  5. Application of interval analysis methods to surrounding rock stability of deep roadway engineering

    區間分析方法在深部巖體工程中的應用
  6. All the results can be utilized by engineers, during the designing and construction. the main conclusions are listed as follows : ( 1 ) based on the shortest line between weak interbed and limit of excavation and the location of point of intersection between limit of excavation, classification of weak interbed distribution is set up, and the distance of distribution is defined ; ( 2 ) according to the strength and deformation equivalent principle, influence zone of weak interbed is introduced, and a new method to simulating the weak interbed with thickness is built ; ( 3 ) some quantificational results on influence of weak interbed respectively at crown, right shoulder and right wall are summarized ; ( 4 ) some quantificational results on influence of weak interbed with the distance between weak interbed and limit of excavation 0. 2d, 0. 5d, l. od are gained ; ( 5 ) some quantificational results on influence of weak interbed in the rock mass with confining coefficient 0. 38, 1. 0, 1. 5, 2. 0, 3. 0 are summed up ; ( 6 ) some quantificational results are summarized on influence of the underground surrounding rock mass stability with weak interbed, in the representational surrounding rock mass graded ii, iii, iv ; ( 7 ) according to the studying results some advices are suggested on designing of underground engineering

    主要結論如下： （ 1 ）以軟弱夾層到開挖輪廓線最短距離和最短距離線與開挖輪廓線的交點位置為指標對軟弱夾層的分佈部進行了分類，並確定了軟弱夾層分佈距離； （ 2 ）根據強度等效和變形等效的原則，引入了軟弱夾層影響帶的概念，建立了模擬軟弱夾層厚度的一種新方法； （ 3 ）總結出了軟弱夾層分佈在拱頂、右拱肩、右邊墻時對地下洞室穩定性影響的量化指標； （ 4 ）分析出了軟弱夾層距開挖輪廓線0 . 2d 、 0 . 5d 、 1 . 0d三種情況對地下洞室穩定性影響的量化指標； （ 5 ）總結出了在不同的側壓力系數（ 0 . 38 、 1 . 0 、 1 . 5 、 2 . 0 、 3 . 0 ）地應力場中軟弱夾層對穩定性影響的量化指標； （ 6 ）得出了在、 、代表性圍巖中軟弱夾層對穩定性影響量化結果； （ 7 ）根據數值試驗成果提出了在有軟弱夾層圍巖中地下洞室設計原則的幾點新內容。
  7. Three - dimensional numerical simulation of surrounding rock stability of underground cavity with variable cross - section

    變截面洞庫圍巖穩定性的三維數值模擬
  8. 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。
  9. Stability of the surrounding rock in underground cavities for the daliushu water control project on yellow river

    黃河大柳樹水利樞紐工程地下洞群圍巖穩定性
  10. The stability of surrounding rock of xiangjiaba hydro - power station ' s underground powerhouses is demonstrated by the method of three - dimensional elastic and plastic damage elements

    摘要採用三維彈塑性損傷有限元數值分析法對向家壩地下廠房洞群圍巖穩定性進行了分析論證。
  11. Stability analysis of surrounding rock mass of longtan underground caverns

    龍灘地下洞室群圍巖穩定性分析
  12. And the variation characteristics of stress field, strain field and plastic failure zones in the surrounding rock mass of the underground cavities are summarized, which provides basic information and reference for the evaluation of underground cavities stability and project construction

    總結了地下洞室群圍巖應力、變形和破壞區的分佈特徵和變化規律，為洞室群穩定性評價和工程施工設計提供了基礎資料和參考依據。
  13. Surrounding rock stability classification research of mining roadway in shenhuo mine field

    神火礦區回採巷道圍巖穩定性分類研究
  14. Surrounding rock stability analysis and evaluation are the important problem in rock mass engineering. since the new mathematical tools and computational technique are accessible, the rock mass stability classsification, an old and effective evalution method, has been developed rapidly

    圍巖穩定性分析和評價問題是巖體工程中的重要問題，巖體穩定性分類方法作為古老而有效的分析評價方法，隨著數學手段和計算技術的日新月異也得到了迅速的發展。
  15. Study on surrounding rock stability of deep mining in kailuan mining group

    開灤礦區深部開采中巷道圍巖穩定性研究
  16. Application of the humid stress theory on the soft surrounding rock stability control around coal mining roadway

    濕度應力場理論在軟巖巷道圍巖穩定性控制中的應用
  17. Research on surrounding rock stability with bolt supported in deep mine roadway

    深部巷道錨桿支護圍巖穩定性研究
  18. Study on the rational arrangement of super - large scale underground cavern group and its surrounding rock stability

    超大型地下洞室群合理布置及圍巖穩定研究
  19. Research on the principles of surrounding rock stability and its controlling technique in soft rock roadway with dynamic pressure

    軟巖動壓巷道圍巖穩定性原理及控制技術研究
  20. By using the artificial neural network method, which can deal with nonlinear problem, a systematic surrounding rock stability classfication evaluation method is constructed in this paper

    本文從人工神經網路方法出發，利用其處理非線性問題能力強的特點，建立一種較系統的圍巖穩定性分類評價方法。
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