mechanism of rock failure 中文意思是什麼

mechanism of rock failure 解釋
巖石破碎機理
  • mechanism : n 1 （機械）結構；機械裝置[作用]；（故事的）結構。2 【哲學】機械論 （opp vitalism）。 3 【文藝】...
  • of : OF ＝Old French 古法語。
  • 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...
  • failure : n 1 失敗 （opp success）; 不及格。2 不足，缺乏；衰退；【醫學】衰竭。3 不履行，玩忽。4 破產，倒閉...
  1. It is coupling action between seepage and stress makes the failure mechanism of rock very complex. the investigations on this problem have pervasive theoretical meaning and practical value

    滲流與應力耦合作用使得巖石的破裂機制十分復雜，這一問題的研究具有更普遍的理論意義和更接近實際的應用價值。
  2. Rock slope ; modes of rock mass structure ; mechanism of deformation and failure ; destabilization of slope ; the reservoir area of the three gorges project

    基巖斜坡巖體結構模式變形破壞機制斜坡失穩三峽庫區
  3. Thesis is based on diaphragm gallery driving project of sichuan yele hydroelectric station. it gives clear definition and classification of soft rock, and a comprehensive study has been made on the mechanism of soft rock failure

    首先明確了軟巖的定義及分類，對影響軟巖隧道穩定因素，軟巖隧道失穩的力學機理和變形力學機製作了較為全面的研究。
  4. According to the geological data which was gained by exploration investigation, establishing a geological model which can reflect rock mass characteristics ; with analyzing the internal and exterior factors synthetically, the deformation and possible failure mechanism and mode of the cut slopes was confirmed which combines with stereoic projection and other techniques ; the stabilities of the 14 high slopes are estimated synthetically by applicable design codes and guidelines. with the estimate result and some other analysis methods, the rock mass mechanical parameters of slope are identified ; as a results, 14 high slopes fall into 4 categories based on rockmass characteristics and discontinuities. the stability and deformation of some typical slopes was analyzed with distinct element method by udec ; the safety factor of some dangerous slopes are calculated by rigid limiting equilibrium method for comparison

    首先著重研究影響邊坡穩定性的內在因素，主要是通過地質勘探、測量、現場觀測等手段取得研究區地質體的基礎地質資料，建立起能夠反映地質體結構特徵的地質模型;隨后綜合分析潛在的內外部影響因素，並結合赤平投影對邊坡可能的失穩模式或破壞機製作出判斷;運用已有巖體質量分類方法對沿線14個高陡邊坡穩定性進行初步的評價，並結合試驗研究、經驗判斷、工程類比等手段確定了坡體的巖體力學參數;根據穩定性初步評價結果將研究區14個高陡邊坡按開挖方式分為4大類，並利用離散元程序udec對各類典型高陡邊坡進行了穩定性計算分析;對潛在危險邊坡利用剛體極限平衡法求出了不同工況下的安全系數。
  5. In order to study the influence of evolvement of permeation character induced by mesoscopic structural characteristics on macroscopic mechanical behavior and fracture mechanism, a nonlinear constitutive equations describing the relationship between damage of rock and seepage is proposed based on mesoscopic damage mechanics and biot seepage mechanics theory and coupling system of flow & solid in rock failure process analysis, f - rfpa2d, is developed to simulate the variation of permeability as well as coupling mechanism between seepage and stress during the initiation, propagation and coalescence of cracks in rock. this study also extends the research field of original rfpa2d

    為了分析細觀結構特性變化引起滲透性演化對宏觀力學行為的影響，並進行滲流應力耦合作用下巖石破裂機制的研究，本文基於細觀損傷力學和biot經典滲流力學，建立了巖體損傷非線性本構方程和滲透率關系模型，開發出巖石破裂過程滲流-應力耦合分析系統（ couplingsystemofflow & solidinrockfailureprocessanalysis簡稱f - rfpa2d ） ，拓寬了原有程序rfpa2d的研究領域。
  6. It is proved that the stability of rock mass high slope is mostly affected by lots of discontinuous structural faces like joints and faults, etc. it makes the rock mass be different from intact rocks completely in mechanical properties. so it is necessary for us to do some research on the deformation failure mechanism, and accordingly, we should do some research on the evolvement course and evaluation methods of stability about rock mass high slope

    工程實踐證明，節理巖體高邊坡的穩定性取決于邊坡中的不連續結構面，如節理、裂隙、軟弱面和不同巖層的分界面，這類結構面的存在使巖體變形破壞的特性與完整巖石截然不同，因此，有必要加強對節理巖體高邊坡變形破壞機制的研究及相應的節理巖體高邊坡穩定性評價方法的研究。
  7. Results show that clamping angle dominated displacement of anchorage and failure mechanism : surrounding rock and soil compaction is induced by small clamping angle, instead, shear failure occurs in neighborhood soil of leading end of anchorage while clamping angle is big ; anchorage length influenced surrounding rock stress as nonlinear self - organization critical characteristic on interface ; anchorage size contribution to systemic primary monitor parameter is relatively uniform

    研究發現：夾持角控制著錨碇變位和破壞機理，夾持角過小時錨碇壓密圍巖土體，較大時錨碇前端附近土體則產生剪切破壞；錨碇長度影響接觸面圍巖應力量值，表現為非線性的自組織臨界特徵；錨碇體粗細對系統主要監控參數的貢獻相對均勻。
  8. Main contents and characters of the paper are as follows : ( 1 ) it systemly explains definition and classification of soft rock. lt gives analysis on geologic and engineering characters of soft rock, and deeper disscussion on failure causes of soft rock tunnel. it also shows the mechanism of deformation and failure

    本文的主要研究內容和特色如下： （ 1 ）系統地論述了軟巖的定義及分類，分析了軟巖的地質特徵和工程特性，對軟巖隧道失穩原因進行深入的探討，論述軟巖隧道變形失穩的力學機制。
  9. 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。
  10. Main works : fractal and mechanism of forming fractal of fault surface in rock masses is analyzed and examined with it ' s affect on failure process of mining rock masses ; fractal curves are constructed with matlab to simulate the fault surface. similar material modeling is carried out and the fractal weak - face effect of mining rock masses is studied. mechanics character of rock masses with fractal fault in mining condition is simulated with large finite element software an sys ; catastrophe model of fault activated by mining is constructed with catastrophe theory

    主要工作有：檢測和分析了巖體斷層面的分形性和斷層面分形的形成機制及其對采動巖體破壞的影響機理；運用matlab構造了分形曲線來模擬分形斷層面，進行了相似材料模擬實驗，研究了采動巖體的分形弱面效應；採用大型有限元軟體ansys模擬了含有分形斷層面的巖體在采動條件下的力學性態；運用突變理論建立了采動斷層活化的突變模型。
  11. A theory of evaluating the stability of bedding stratified rock slope is preliminary established by this research, which will make a contribution to further understand of its failure mechanism, improve feasibility and reliability of its analysis method, provide the fundamental theory on this slope ' s prevention and cure

    通過本項研究工作，初步建立了一套評價順傾向層狀巖質邊坡穩定性的理論體系，有助於增進對該類邊坡失穩機理的認識，提高其穩定性計算分析方法的可行性與可靠度，對該類邊坡的治理奠定了一定的理論基礎。
  12. Study on coalescence mechanism of splitting failure of rock masses with intermittent joints under compression

    斷續節理巖體劈裂破壞的貫通機理研究
  13. Its main contents includes : ( 1 ) through studying in details the basic type and characteristic, slope constructions and its combination types of the area ' s rock soil, and putting forward to manage the measure reasonable, the context finds the result that this area ' s slope construction type is main dip slope, scarp slope and transverse slope. ( 2 ) before studied the stability of the highway slope, it must be knowing the transform and the failure mechanism mode

    其主要內容包括：通過詳細研究該區巖土體的基本類型及特徵、邊坡結構及其組合類型，並提出合理的治理措施，本研究區邊坡結構類型主要為順向、反向和切向三大類型。進行公路邊坡的穩定性研究，首先必須搞清邊坡的變形破壞機制模式。
  14. The working stress state and the stability of typical blocks of baise rcc gravity dam are computed and studied based on the 3d non - linear finite element method ( fem ) and rigid body - spring element method ( rbsm ). the analysis of failure process, failure mode, failure mechanism of the dam are studied with overload method and combined method in which rock strength parameters are decreased while water load is overloaded to a certain degree. in this paper, the following works are done

    本文充分發揮有限單元法和剛體彈簧元法的優點，對百色rcc重力壩典型壩段（ 9b 、 4b ）地基穩定安全性進行數值分析和計算，從超載法、綜合法等不同角度，對壩基穩定性開展研究，分析壩體和壩基破壞過程、破壞形態和破壞機理，確定壩基可能的滑動路徑和滑移模式，評價工程的穩定安全性。
  15. The interior failure mechanism of rock strata developing from large - scale excavation and the rules of land surface deformation are analyzed on the base of careful investigation

    在詳細調查的基礎上簡要分析了地下大面積采空后巖土內部破壞機制和地面變形規律。
  16. Based on the analysis of failure features, deformation shapes, the failure mechanism of weak - rock roadway is studied systematically. optimal supporting time model of bolt - grouting support is given with different methods when analyzing the bolt - grouting supporting mechanism at large. in order to study bolt - grouting supporting mechanism systematically with simulation method in heavily stressed weak - rock coal and rock roadway of huaibei mine, fem models under different conditions are found by using fem program - ansys. finally, construction technics, grouting parameters, and so forth, are studied and applied in the coal and rock roadway of taoyuan and qinan mines

    在對深部高應力軟巖巷道變形破壞特徵、變形破壞形態分析的基礎上，對巷道變形破壞機制進行了較為系統地研究；接著在對錨注支護機理進行了詳盡分析的同時，提出了最佳錨注支護時間（段）的概念，並建立了最佳錨注支護時間模型；以淮北礦區深部高應力軟巖煤、巖巷道為背景，採用大型有限元軟體ansys ，分別建立了不同條件下的數值計算模型對錨注支護進行了較為全面系統的數值模擬研究，得出了一系列有價值的結論。
  17. Abstract : based on the analysis of the main causes of stope chute failure, flac3d numerical calculation software is used in the systematic study of the mechanical state of the surrounding rock before and after the chute reinforcement from the aspects of the stress distribution of rock mass, the plastic fractured region and the movement of rock mass so as to disclose the fracture mechanism of the surrounding rock and the mechanical system of the reinforcement engineering

    文摘:在分析造成采場溜井破壞的主要原因基礎上，應用flac3d數值計算軟體，從巖體應力分佈、塑性破壞區和巖體移動等方面，系統研究了溜井加固前後的圍巖力學狀態，揭示了圍巖破壞機理和加固工程的力學機制。
  18. In karst region, the instability mechanism of layered rock foundation pits is complex, and their failure models are various, so it is difficult to select a right supporting structure for them

    摘要巖溶地區巖質基坑的失穩機理復雜，破壞模式多樣，支護結構選取困難。
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