friction rock 中文意思是什麼
friction rock
解釋
擦碎巖-
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。 -
The slope stability question is influenced by many kinds of inherent factors, for instance geological structure, intensity of rock body, development state of joint and crack, cohesive force ( c ) of the rock, interior angle of friction ( f ), groundwater, etc., these objective factors reflect generally their sizes with some quantitative parameter indexes in the past
邊坡穩定問題受多種內在因素影響，如地質構造、巖體強度、節理裂隙發育狀況、巖石的內聚力（ c ） 、內摩擦角（ ） 、地下水等，這些客觀因素過去一般用某些定量參數指標來反映其大小。 -
The results show that the internal friction angle of rock has importance affect on the displacement of surrounding rock for deep roadway when in - situ stress and support resistance all are certain
分析結果表明，在地應力和支護阻力一定時，巖石的內摩擦角對深埋巷道圍巖位移的影響最為明顯。 -
Based on the tribological principle and the theory of contact mechanics, it is feasible to adopt curvature - changing structure in the rock - bit journal bearing system. the structure and coupling relationship of curvature - changing journal bearing under the condition without friction have been analyzed and three kinds of sub - form structure configurations, namely, the pseudo - curvature - changing structure, the conformable curvature - changing structure, and the clearance curvature - changing structure, been differentiated according to the contacting features. the shape optimization and pre - running - in regulations of the contact surface of curvature - changing journal bearing under friction condition have been established. the results of rock bit journal bearing test indicate that the tribological behavior of the bearing can be effectively improved by curvature change based on both designing and pre - running - in
基於摩擦學原理和接觸力學理論，提出了可在牙輪鉆頭滑動軸承中採用變曲率結構.在不考慮摩擦的情況下，就結構設計和配合關系等問題進行了分析討論，劃分了準變曲率、吻合變曲率以及間隙變曲率等3種結構形式；針對考慮摩擦時的變曲率結構，提出了接觸形狀優化和預磨合的實施方案.鉆頭軸承試驗結果表明，無論是預設計變曲率還是預磨合變曲率，都能改善軸承摩擦副的摩擦學特性，因而值得進一步研究和推廣 -
If the planar failure arises without fixed plane in rock slope, the critical inclination of failure face is not only the function of slope angle and friction angle of failure face, but also the function of the height of failure part, the cohesion of failure face, and unit weight of failure body
摘要在巖石邊坡中，當出現平面滑坡時，如果邊坡內沒有確定的滑面，滑面的臨界傾角不僅僅是邊坡傾角和破壞面摩擦角的函數，而且還應該是滑體高度、破壞面的黏聚力和巖體重度的函數。 -
In this section the author analyses the rules of the pile ultimate tip resistance and the shaft friction resistance distribution and their exertion of cast - in - place socketed piles instrumented with strainometers in soft muddy rock. the second aspect of the paper is the analysis on the current rock pile vertical bearing capacity in the four standards gb50007 - 2002, tb 10002. 5 - 99, jtj024 - 85 and jgj94 - 94, then the design method with correlated formula of socketed piles in xigeda - mudstone is given. at the end of this paper, based on the research of pressure grouting technique in recent years, and combined with in - site test result, this paper puts forward the design and calculation method to grouted pile in xigeda - mudstone and the principle of choosing grouting parameters, which provid es experiences for applying this technique and further studying
本論文結合省級科研項目「西攀高速公路昔格達組泥巖層中鉆孔樁提高承載力的研究」 ，所做的研究工作主要在以下三個方面：一是根據8根樁身內埋設量測元件試樁的單樁豎向靜載荷試驗資料，分析了各試驗樁特別是常規沖孔灌注嵌巖樁在昔格達泥巖中的軸向力、側摩阻和樁端阻力的分佈和發揮規律；二是在討論現行規范對嵌巖樁承載力的計算公式的基礎上，探討了在昔格達泥巖層中的沖孔灌注嵌巖樁的側摩阻和端阻的計算方法，並推薦了相應的計算公式；最後，在吸取近年來對灌注樁后注漿技術研究成果的基礎上，結合現場試驗研究結果，分析了該項技術在昔格達巖層中的應用效果，提出了相應的參數選取，從而為壓力灌漿技術的工程應用和進一步研究提供經驗，並為今後在該地層中合理選用樁型以及指導施工提供了依據。 -
The crucial technologies of highly - displacement well mainly include torque / friction and wellbore trajectory control tool, and these technologies require rock bit have the following characteristics : having gage protection ability, long axletree lifespan, wear - resisting shirt - tail and head o. d., and high - temperature - resistant sealed system, etc
大位移井的關鍵技術主要有扭矩摩阻和井眼軌道控制工具，這些技術要求鉆頭具有以下特點：具有良好的保徑能力，軸承壽命長，掌尖和掌背部位耐磨損，密封系統耐高溫等。 -
Analysis of the inter - velution ship and its influence factor between loess landslide slope failure and charecterisitics of soil and rock mass show that the range of landslide slope failure enlarges with the development of earthquake intensity, coeffient of pore pressure and cohession. it delarges with the development of angle of internal friction ; use simplicity bishop method and computer to get simplicitely and quickly usable stability anlytic figures and data table
分析黃土滑坡與巖性的內在關系及其影響因素表明，滑坡范圍隨地震烈度、孔隙水壓力系數、粘聚力的增大而增大，隨土體內摩擦角的增大而減小;採用簡化畢消普法，藉助計算機，獲得了簡捷明快、使用方便的穩定分析圖表。 -
In this paper the friction piles are used in zipingpu multi - purpose dam construction project, the spillway in the side slope is covered with overburden, the horizontal area is from sp. 0 + 200m to sp. 0 + 280m, the elevation is about from el. 810m to el. 950m, there is hard and integral rock under the overburden, which provides enough anchor ability, and it ' s requirement to set the friction pile at the appropriate place ; in order to improve the slope stability that suitable excavation or weeding off the disadvantage load on the landslide are good measures, for the scarp it ' s better to reduce the slope
摘要紫坪鋪水利樞紐工程溢洪道樁號0 + 200 ~ 0 + 280 、高程810 ~ 950m范圍的內側邊坡為覆蓋層邊坡，坡體下部有較為完整堅硬的巖石，具備提供足夠錨固力的條件，在適當的位置可以考慮設置抗滑樁，再通過適量的開挖提高邊坡穩定性，或將滑坡體上部不利於穩定的荷載挖除，對于陡坡的坡面可以將坡削緩，則效果會更好。 -
If they had instead found crystalline rock, like that underlying most continental ice sheets, including east antarctica ' s, they would have concluded that the greater friction of that material had been inhibiting ice motion
反之，若冰原底下是晶狀巖石，如同南極洲東部及多數大陸冰原的情況，可能就會因摩擦力較大而阻止積冰移動。 -
Based on the analysis, we gave an example to study the dynamic contact with friction of the intermittent joint, and got some essential rules : the friction coefficient could n ' t influence the distributing of dynamic stress on the contact surface, and the roading rates affected evidently on the dynamic characteristic on the contact surface. in the last part, this paper made respectively use of the time - history method and the response spectrum method to analyze the dynamic response of the rock slope on baise hydraulic power plant, and got the coincident resultant. simultaneously, the contact theory was applied to study the stability of the intermittent joints
基於上述的接觸理論和接觸分析結果，本文在最後一部分中分別利用動力時程法和反應譜法對百色水電站尾水渠的巖質邊坡進行動力響應分析，兩者計算方法得出比較一致的結果，同時採用動力摩擦接觸理論重點分析了斷層對于邊坡的穩定影響，認為斷層的存在會使得巖坡的穩定性降低，在地震等動力荷載的作用下對于斷層將發生張開、閉合和錯動現象，尤其是動力荷載和其他荷載如滲流力等的耦合作用將會對斷層產生極為不利的後果，進而影響巖坡的整體動力穩定，應該要引起足夠的重視。 -
Some results have been shown as follows : 1. some main factors to rock slope stability were analyzed by sensibility analysis. the conclusions are shown that earthquake has a most influence on its stability, cohesion c and friction angle in the next one, groundwater level h in the third, and density p of rock masses and height h of slope minimal
通過對影響巖質高邊坡穩定性的主要因素進行敏感性分析，表明：地震作用對邊坡安全性的影響最大；滑動畫內聚力c和內摩擦角對安全系數k值的影響次之；地下水位高度h對安全系數有一定的影響；而坡體密度和高度h對邊坡安全性的影響相對較小，有時可以不予考慮。 -
( 5 ) basing on the exploring of the functions of cohesion force and friction force during rheology course and the assumptin that viscosity lost according viscosic strain, a constitutive model for viscous, elastic and plastic rock is set up, which can simulate the third course of creep. then the impact of transcient damage to rheology is discussed and corresponding creep model for rock is proposed
（ 5 ）在探導巖石顆粒間粘聚力和顆粒間摩擦力在巖石發生流變過程中的作用基礎上假設粘性失效按流變應變統計概率分佈，建立了巖石粘彈塑性本構關系，能夠描述巖石蠕變加速階段特徵；討論了瞬時損傷對巖石流變的影響和相應的損傷蠕變模型建模問題。 -
At first it analyzes the bedding rock slope ' s bedded rock and its incontinuity face, and studies the stress, strain, stability ' s condition of the bedding rock slope, fully considering the cohesive force of rock layer and incontinuity face. geologic mechanics models of two types of bedding rock slope are set up, the instability coefficient of bedding rock slope under different mechanical parameters is computed, and the conclusion that the stability of bedding rock slope is relation to rock layerer, cohesive force of incontinuity face, inner friction angle and rock layer obliquity has been gotten. based on the above discussion, the thesis comes down the influence of rock layer and the incontinuity face on the bedding rock slope to incontinuity face ' s influence factors, and discusses other factors that influence the bedding rock slope ' s stability, so gains the evaluating and forecasting index marks
本文首先對順層邊坡的層狀巖體及其中的層理面和不連續面進行了分析，對其應力應變進行了研究，得出了順層邊坡的穩定性不僅與巖體中巖石的強度有關，還與巖體中層理面及不連續面的內聚力、內摩擦角及其傾角有關；論文建立了層理面和節理面的地質力學模型，討論了其力學參數變化對邊坡穩定性的影響，並在此基礎上將層理面和節理面歸納為順層邊坡穩定性的結構面影響因素，同時討論了影響順層邊坡穩定性的其他因素，從而得出順層邊坡穩定性的評價預測指標。 -
Taking the deep roadways in 5th coal mine, pingdingshan group company of coal industry, as object of study, the effect of properties of surrounding rock on its displacement for deep roadway is evaluated by using the finite difference code flac ( superscript 3d ), and the variations of displacement of surrounding rock under different internal friction angles and cohesive strengths of rock are presented
摘要以平煤集團五礦的深埋巷道為研究對象，採用有限差分程序flac （上標3d ）研究了圍巖特性對深埋巷道圍巖位移的影響，獲得了不同巖石內摩擦角和粘聚力條件下深埋巷道圍巖位移變化的規律。
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