rock plastic deformation 中文意思是什麼

rock plastic deformation 解釋
巖石的塑性變形
  • 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...
  • plastic : adj 1 造型的；塑造的；給與形態的。2 可塑的，塑性的，受范的；柔軟的；〈比喻〉溫順的，肯聽話的。3 ...
  • deformation : 變形,走樣
  1. Secondly, grounded on the study of the distribution of the high external waterpressure and high geostress and the characteristic of the rock in engineering area, the paper built the elastoplastic fem numerical simulation model, and think over the procedure in tunnels excavation and the history of work of water load, and then get the relations between the different tunnels diameter, different permeability coefficient and depth of the grouting rock and the deformation, stress distribution and plastic range of the surrounding rock and support structure. finally, according to the modern design theory of tunnels construction, the particular design of country rock reinforcement and support structure are researched and presented for diversion tunnels

    接著，本文在深入研究工程區高外水壓力及高地應力分佈規律及巖體特性的基礎上，建立起高地應力、高外水壓力作用下隧洞圍巖結構非線性有限元模擬計算模型，然後考慮隧洞的開挖過程、水荷載的作用歷史，通過計算分析得出了不同洞徑、不同的灌漿圈滲透系數和不同的灌漿圈深度以及不同開挖過程與圍巖及支護結構的應力、位移和塑性區的關系。
  2. The swelling is the secondary reason for large deformation. by the elasticity - plastic fem analysis and the flow deformation analysis through inspecting system to the rock ii3, getting that the total deformation is within the quantity set aside

    通過對鷓鴣山隧道_ 3圍巖變形性狀進行彈塑性有限元數值計算並利用監控量測資料進行軟巖流變分析，得出其總變形在預留變形量之內。
  3. To ensure the safety of the dam and provide the technology for the decision during the process of construction and store water. in this article, the elastic - plastic stress - deformation of dam is calculated and the consolidation is analyzed. including the rock - fill dam, the stress and deformation distribution of cut - off wall, the deformation of sloping core, the incresment and subduction of pore water pressure and the effective stress situation calculation

    為確保大壩安全，並為大壩施工期和蓄水期運行決策提供必要的技術支持，本論文根據上壩土料的應力一應變一強度特性、滲透和固結等特性，對壩體進行了彈塑性應力變形計算和固結分析，包括大壩堆石體、防滲墻的應力及變形分佈和斜心墻的變形、孔隙水壓力增長及消散和有效應力狀態計算等。
  4. At last, the analysis of the redistribution of the initial crust stress and the distribution of the plastic area is made ; the stability evaluation of the rock mass around the cavern is provided. the outcome is conformed with the reality. then applys the approximately equivalent dissolved rule, and considers the action of anchor staff to consolidate the rock mass, and correspond model is established, nonlinear finite element m ethod is applied to analyze the effect of the supports, the result shows that the action of anchor staff is obvious and deformation and stress state of the rock mass is greatly approved. so, the result conforms that the idea and the means used in the thesis is applicable

    最後運用非線性有限元對廠房開挖后圍巖的應力重分佈和塑性開展區的分佈作了分析，評價了廠房的圍巖穩定性，其結果與實際開挖情況基本吻合，針對圍巖穩定性評價的結果，提出了錨固方案，運用等效概化原理考慮錨桿的作用，建立了採用系統錨桿加固后的地下廠房圍巖的三維彈塑性模型，運用非線性有限元分析了加固效果，結果表明錨固作用明顯，圍巖變形明顯減小，圍巖內的應力狀態大為改善，從而驗證了本文所採用的研究思想和方法是切實可行性的。
  5. In this paper, systematic numerical test have been carried out to study the stability of surrounding rock mass with different distribution of weak interbed, different distance between weak interbed and limit of excavation, different thickness of weak interbed, in the different confining coefficient and representational surrounding rock mass graded ii, iii, iv. all of the numerical modeling is plain - strain type with elastic - plastic constitutive law and mohor - coulomb failure criterion, through the integrated numerical analysis program final. plentiful numerical test results have been drawn via analyse the deformation, tensile stress region, plastic region of surrounding rock and the stress status of shot - crete

    大量的工程實踐表明，軟弱夾層對地下洞室圍巖穩定性的影響有著決定性的作用，本文以大型數值模擬分析系統final為平臺，採用彈塑性應力應變關系和m - c屈服準則建立平面應變問題有限元模型，對軟弱夾層的分佈部位、分佈距離、軟弱夾層的厚度對圍巖穩定性的影響以及在具有不同側壓力系數的地應力場中和、 、類代表性圍巖中軟弱夾層對圍巖穩定性的影響進行了系統的數值試驗，研究得出了軟弱夾層對圍巖位移、拉應力區、塑性區以及噴射混凝土層內力等影響豐富的量化成果，以便直接為工程設計人員提供參考。
  6. The computation results show that after reinforcing the soft and weak floor, the deformation of the surrounding rock of sides gets smaller, especially, that in the lower part of the sides decreases to a larger extent ; the size of plastic zones and the scope of strength - softening region in surrounding rock of sides become smaller ; the area that has an increase in the maximal principal stress in surrounding rock of sides shrinks, and the zones of peak - value of maximal principal stress approach the periphery of roadway

    計算結果表明，加固軟弱底板後巷道兩幫圍巖變形量減小，尤其是巷道兩幫下部圍巖變形量減小幅度較大，兩幫圍巖塑性區范圍和軟化區范圍縮小，兩幫圍巖主應力升高區范圍縮小，主應力峰值區域更加靠近巷道周邊。
  7. The model can reflect the multi - sets feature of the rock masses in practice, consider the influence of the joint orientation and strength to the rock masses deformation feature, and simulate the simultaneous sliding, tension and close behaviors of the multi - sets jointed rock masses extending the joint surface, and reflect the plastic deformation induced the rotation of the principle stress axes. the result can be extended to fractured rock masses with arbitrary set joints

    該模型能反映實際工程中巖體的成組節理特性，考慮節理產狀和強度對巖體變形特性的影響，可用來模擬巖體中多組節理同時存在滑動、張開、閉合的行為，並能反應由於應力主軸旋轉所產生的塑性變形的影響。
  8. And that, the variable regulations of stress filed, deformation field and plastic failure zones in the surrounding rock mass of the underground cavities are summarized. based on the analysis of the effects of rock mass qualities on surrounding rock mass stability, the control effect of rock mass qualities about stability of surrounding rock mass was studied

    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，並通過對比分析圍巖質量對其穩定性的影響，闡明了巖體質量對圍巖穩定性的控製作用，為洞室群穩定性評價和工程設計施工提供了基礎資料和理論依據。
  9. In consideration of the particular structures of concrete dams and their influence on the deformation behavior of the dams, the mathematical and mechanical knowledge, such as gray system theory, fuzzy mathematics, viscoelastic plastic theory, together with the knowledge of dam engineering and structural analysis methods, are introduced into this dissertation, which performs relatively detailed study on the mathematical monitoring model of deformation, the inverse analysis of mechanical parameters of dam concrete and rock foundation, deformation procedure, abnormal symbols and the comprehensive appraisal methods of the deformation behavior of concrete dams with particular structures

    本文針對特殊結構混凝土壩的特殊結構對大壩變形的影響，應用灰色系統、模糊數學、粘彈塑性力學等理論，結合壩工理論和結構分析方法，對特殊結構混凝土壩的變形監控模型、參數的反演、變形過程和轉異特徵以及大壩變形性態綜合評價方法等進行了分析研究。
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