elastic rock 中文意思是什麼

elastic rock 解釋
彈性巖石
  • elastic : adj. 1. 有彈力[彈性]的。2. 伸縮自如的，靈活的。3. 機變的，輕快的。n. 橡皮線，松緊帶，橡皮圈。adv. -ally
  • 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. The lower part formed in a littoral - epeiric environment, is a series of elastic rocks, partly contains carbonate rock and metamorphic basic volcanic rocks and the upper part formed in a bathypelagic environment is a series of sediments with chert, partly contains metamorphic basic volcanic rocks

    其下部為一套濱淺相碎屑巖，局部夾碳酸鹽巖、變質基性火山巖；上部為一套深水沉積巖系夾硅質巖，局部夾變質基性火山巖。
  3. 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。
  4. In numerical simulation, the elastic zone is only considered and the effect of blasting waves on the rock medium, after attenuating through crushing zone and ruptured zone, becomes an input load

    數值模擬僅考慮彈性區域，爆炸波對巖石介質的作用經粉碎區、破裂區衰減后成為輸入荷載。
  5. 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。
  6. Application of equivalent elastic constants of porous rock to hydraulic fracturing

    水力壓裂中多孔巖體的等效彈性常數應用
  7. Elastic mid - strength rock wool board : used for heat preservation, fireproofing and sound absorption for the building wall / roof, such as curtain wall, inner wall partition and elevator hoistway, etc

    有彈性，中等強度巖棉板：適用於建築墻體/屋頂保溫、防火、吸音，如幕墻、內墻隔斷、電梯井等。
  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. Besides experiments, the present domestic and abroad study on anti - slide pile is mainly analysis by traditional cantilever beam method, foundation coefficient method and elastic mechanic method. on the basis of previous studies, this paper carries out a research on relevant design and calculation theory about anti - slide piles, comprising the interaction between anti - slide piles and rock and soil of side slopes, the soil arching model of anti - slide piles and the internal stress calculation method of prestressed anchor cables

    目前國內外對抗滑樁的研究，除試驗研究外，主要採用傳統的懸臂梁法、地基系數法及彈性力學方法來進行分析。本文在前人的研究基礎上，通過對抗滑樁相關設計計算理論進行研究，包括抗滑樁與邊坡巖土體的相互作用，抗滑樁的土拱效應模型以及抗滑樁預應力錨索的內力計算方法進行分析。
  10. Depending on how the ground surface is denuded, the feature of the current crustal stress field and rock stress environment can be calculated analyzing the result in this paper : by analyzing the recovering feature of the elastic deformation of the rockmass in unload - stage under various pressures, it has been found there is close relationship between the recovering degree of the elastic deformation of the rockmass and the unloading degree of the pressure the direction of the major principal stress in the crustal stress field is not consistent with the direction of the crushing stress regional tectonics borne during the last tectonic movement. the evolving degree of the regional geomorphology evidently affects the current crustal stress field, which changes from the self - weight stress field to the horizontal stress field, with the changing of the eroding degree of the regional geomorphology ranging from valley area to hilly country to flat country. in valley area, where there is two stress belts, the bankslope s tress belt and the self - weight stress belt within the mountain. the direction of the major principal stress is nearly parallel to the ground surface and inclines towards the valley in the bankslope stress belt. it is nearly vertical in the self - weight stress belt

    通過本文的研究成果，根據區域性地貌的演化特徵，我們可以大致地對現今地應力場進行判斷：在分級卸荷條件下，巖體中彈性變形的恢復具有明顯的規律性，這種規律對于研究地應力場的演變是有幫助的；地應力場中最大主應力方向與區域構造形跡在最近的構造運動中所受區域性擠壓應力的方向無明顯的對應性；區域性地貌形態的演化程度對現今地應力場的特徵具明顯的影響，隨著區域性地貌侵蝕程度由峽谷區、丘陵區、平原區的變化，現今地應力場特徵由自重應力場、水平應力場為主含少量自重應力場特徵向水平應力場的規律變化；在峽谷區，山體中具有兩個應力帶：自重應力帶和卸荷應力帶，最大主應力方向在卸荷應力帶中近平行於坡面並傾向于河谷、在自重應力帶中近於直立；根據原始地面遭剝蝕的程度，可以大致地估算最大主應力和中間主應力的量值和方向；在丘陵區和平原區，最大主應力的方向近於水平，並與附近區域性侵蝕盆地和河流的展布方向基本平行，根據原始地面遭剝蝕的程度，可以大致估算其最大主應力的量值；根據區域性地貌形態的特徵來分析工程區的現今地應力場特徵，並進而大致了解巖石的應力環境，這種分析方法得出的結論與許多實際的地應力測試成果基本一致，對于大型水電工程地下廠房和壓力隧洞的設計是有所幫助的。
  11. 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。
  12. Erosion damage decreases rock load area, after defining damage variable, the damage stress in rock can be calculated by the method bring forward by lemaitre conveniently. for surrounding rock of a deep buried tunnel under the condition of drained, its seepage character is not only controlled by the high stress in rock, but also influenced by the development of erosion damage. in the whole course of rock " s deformation and failure, its seepage character decreases with the increment of stress in elastic stage, while " increases with the development of failure

    巖樣中全應力?應變三軸滲透試驗過程中的典型表現為隨著應力的增加，巖體內的空隙和裂紋受載閉合，滲透性降低，應力達到一定閾西南交通大學鷹士研究生學位論文第11頁值后，巖體內部裂紋發生擴展和歸並，滲透性增強；同樣，地下水的動、靜壓力作用對裂紋的擴展和歸並也起著促進作用。
  13. Based on the analyses of the physical and mechanical properties of ore / rock and the behavior of ground stress field in the deep deposit of fankou lead - zinc mine, the authors researched the unloading measures to prevent and control rock burst in mining the deep deposit, and carried out numerical simulations of the stress distribution under different unloading mining situations by means of 3 - d elastic - plastic finite element program, so as to give decision - making basis for controlling rock burst in exploiting the deep deposit of fankou lead - zinc mine

    根據凡口鉛鋅礦深部礦巖體的物理力學性質及地應力場特性，對凡口礦深部礦床開採的巖爆防治措施進行了研究，並應用三維彈塑性有限元程序對各種防治措施引起的應力分佈進行了數值模擬分析，以期為凡口鉛鋅礦深部礦床開採的巖爆控制提供決策依據。
  14. Stress decreases rock seepage character in elastic stage, while erosion damage increases it. under some conditions, the influence of stress to seepage may be shielded by erosion damage. obtaining the distribution of seepage field, tunnel external water pressure can be calculated in two ways : 1

    高應力使裂隙閉合，一般是降低巖體的滲透性，而水化水力損傷則增加巖體滲透性，在腐蝕損傷發育到一定階段，應力對滲透性的這種影響則可能會被屏蔽。
  15. Acquires radial stress attenuating formula of the spherical charge and cylindrical charge in completely elastic medium and the radial and axis stress attenuating formula of linear charge in the rock

    獲得了完全彈性介質條件下，球藥包和條形藥包徑向應力衰減方程和礦巖介質條件下條形藥包徑向和端部軸向應力衰減方程。
  16. At first, the mechanical model of joint is discussed, and the constitutive relation of the rough joint, especially the bolt - supported joint, is given. then bedding slide of bedding stratified rock slope is studied adopting limit equilibrium method, and a formula of stability is brought forward. at last, the bedding stratified rock slope ' s buckling deformation and failure mechanism and its evaluating method of stability is investigated, a corresponding mechanics model is established, then detail research to this failure mode is made in theory combining the energy law and elastic stability theory of plate and beam, and an analytical solution of the yielding curve is educed from this model

    文中首先對結構面的力學模型進行了一定的探討，提出了粗糙結構面尤其是加錨結構面的本構關系；然後採用極限平衡法，研究了順向層狀巖質邊坡的順層滑動失穩，提出了其穩定性計算公式；最後，結合能量定律和彈性板梁穩定理論，探討了工程中常見的順向層狀巖體邊坡潰屈失穩時的破壞機理、變形規律和穩定性定量評價方法，建立了相應的力學模型，求出了其相應的解析解，並提出了臨界坡長與最大彎曲位置的確定方法。
  17. Analyzing on the elastic wave parameters characteristics of datong jurassic coal rock bed

    大同侏羅紀煤田煤巖層彈性波參數特徵淺析
  18. In order to study the influential factors on seismic attribute, the authors use the rock modeling software to simulate the changes of mineral constituent, porosity, fluid property and saturation of rocks and further study the changes of the seismic attribute basing on the velocity of s - wave, the velocity of p - wave and various elastic modeling quantities of the rocks by means of forward modeling

    摘要為了研究影響地震屬性的因素、應用巖石建模軟體模擬巖石的礦物組分、孔隙度、所含流體性質以及飽和度等變化，對其縱橫波速度、各種彈性模量的變化情況通過正演的手段得到了解。
  19. Besides, based on the theoretical study, a corresponding coupling program with 3 - d elastic - plastic finite element and infinite element is developed. according to the above contents, the effects of stability and safety of the surrounding rocks of different characteristics, different classes and under different construction methods are analyzed, the good and bad about different construction methods under the condition of the same kind of surrounding rock are compared, and some useful conclusions are drawn

    此外，在本文理論研究的基礎上開發出相應的三維彈塑性有限元-無限元耦合計算機程序，並據此分析了雪峰山隧道在不同圍巖類別條件下，不同的施工開挖方案對其結構及圍巖穩定性和安全性的影響，比較了相同圍巖條件下各種施工方案的優劣，得出了一些有益的結論。
  20. Numerical simulation of influence of loading rate on deformation characteristics and snap - back for fault band and elastic rock system

    圍巖系統變形及快速回跳的影響
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