plastic rock 中文意思是什麼
plastic rock
解釋
塑性巖石-
Basic theory of adjoining rock plastic rum and numerical simulation method
圍巖塑性圈的基本理論及數值模擬方法 -
On the basis of the concept and analysis method of slope geological structure, four typical slope geological structures are selected by some investigations on more than one hundred high rock slopes in the motorway project. these structures are thick sandstone stratum, stratum including weak coal, stratum made of red or brown plastic clay and soft rock mass and stratum made of remnants rock mass. the practical slope geological structures are compact basis of geological mechanical model for the analysis of relaxation zone in high rock slope projects
在介紹了坡體結構概念並提出建立坡體結構方法的基礎上，根據對京珠高速公路粵境北段路塹高邊坡工程中百余處巖石高邊坡的調查總結，選擇了其中較為具有代表意義的厚層砂巖、煤系地層、紅土地層及殘坡積層路塹高邊坡共4類巖石高邊坡作為研究對象，為對巖石高邊坡開挖鬆弛區的分析打下了堅實的實際地質力學模型基礎。 -
According to roof safety factor of 1. 2 for the mined - out area, minimum safety roof thickness at different rock in various span mined - out area was calculated by flac software, which transfixion of plastic zone was taken as criteria of roof breakage by using strength reduction technology and dichotomy theory
摘要利用強度折減技術和二分法原理，以塑性區的貫通作為頂板破壞的標準，當采空區頂板的安全系數等於1 . 2時，利用flac軟體計算得出各種跨度空區在不同巖層中的最小安全頂板厚度。 -
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。 -
3d elasto - visco - plastic hierarchical block element method for rock mass
巖體的三維彈粘塑性階譜塊體單元法 -
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。 -
( 1 ) the statistical damage constitutive model for rock is improved basing on the hypothesis that the strain in the rock without damage is ideal to that in the damage rock. the hypothesis that all of the stresses in damage evolution equation are effective stresses is realized, and the proplem how to couple plastic strain to damage is solved
主要工作內容如下： （ 1 ）在假設無損巖石的應變和巖石總應變相等的基礎上完善了巖石的統計損傷本構模型推導，實現了損傷演化方程中全部採用有效應力假設和探討了損傷和塑性變形耦合問題。 -
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。 -
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。 -
A design example is introduced in this paper where the concrete watertight wall with low elasticity module is used to strengthen the earth - rock dam of qing shan reservoir, and it is a new type of concrete watertight walls whose elasticity module and crush strength of its wall material lie between normal and plastic concrete
本文是關于用低彈模砼防滲墻加固青山水庫土石壩的設計實例，其墻體材料的彈性模量和抗壓強度界于普通和塑性混凝土之間，是一種新型的混凝土防滲墻。 -
And that, the variable regulations of stress field, strain field and plastic failure zones in the surrounding rock mass of the underground cavities are summarized for the right and the left bank of underground chambers
全面總結了溪洛渡水電站左、右岸地下廠房洞室群圍巖應力，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理論依據。 -
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。 -
Based on the simplified structure of rock mass, three - dimensional finite element numerical modeling technique is used to analyze systematically the distribution features of filed, strain field and plastic zone in the surrounding rock mass of the underground cavities after the excavation
在巖體結構模型概化的基礎上，采有三維有限元數值分析方法，系統研究了大跨度、高邊墻地下洞室群開挖完成後圍巖的二次應力場、變形場和塑性破壞區的變化特徵。 -
The choice dam type is especial importance, during the designed research of the rock - fill dam, particular under the rock - fill dam with very deeply cover layer, the stress and strain of the middle wall and cutting interpenetration wall of the dam foundation is mostly sensitive, whether the. design of dam is scientific and reasonable, it is very important for cutting interpenetration and stability of the dam, the article offer the reference for the design of cutting interpenetration in the foundation with deep cover with earth the water conservancy in xiaban zone, based on the study and analysis the design of cutting seep in the foundation with deep cover with earth, cutting interpenetration concrete wall and the joining model of cutting interpenetration material in body of dam and the applying effect in the practical worko based on the foundation which absorbed and summarize the achievement of design and research in the inter and outer country, for the project of the clay vertical middle wall and vertical cutting interpenetration, the asphalt concrete vertical middle wall and vertical cutting interpenetration the clay inclined middle wall and the lever carpet layer cutting interpenetration, respectively in terms of the different stage of complete period sluice period and working condition, adopting nonlinear calculate and analysis with the finite element method ; carrying the analysis and study with the 3d finite element method as to the different joining model of the left bank high slope cutting interpenetration body and the foundation concert cutting interpenetration wall ; carrying the analysis and study with the 3d finite element method as to the effect of the wall stress and strain because of the different elasticity modulus of the concert cutting interpenetration wall through the analysis and study with the different project. have comparatively all - around comprehended the various model dam, particular the distribute rule of stress and strain of the cutting interpenetration system, provide for the important evidence of the plastic area size the join model of the foundation cutting interpenetrate wall and dam body cutting interpenetrate system the choice of the dam model and the design of the structure of the dam body, the result of research and advice have very importance value in design and building for the similarity project
工程設計中，壩型的選取顯得尤為重要，特別對于壩基有深厚覆蓋層的堆石壩，心墻和壩基防滲墻的應力和變形是壩體、壩基最敏感的部位，設計方案是否安全、科學和合理，對大壩防滲和穩定起到至觀重要的作用。本文研究分析了國內外深厚覆蓋層基礎防滲設計、壩基混凝土防滲墻與壩體防滲體銜接形式及工程實際應用效果，為下坂地水利樞紐工程深厚覆蓋層基礎防滲設計的方案選擇提供了參考；在吸收和歸納了國內外堆石壩的設計研究成果的基礎上，對粘土心墻和壩基垂直防滲方案、瀝青混凝土心墻和壩基垂直防滲方案以及粘土斜心墻和壩基水平鋪蓋防滲方案，分別按竣工期和蓄水運行期的不同工作情況進行了有限元非線性計算分析；對左岸高陡邊坡的大壩防滲體與基礎混凝土防滲墻的不同結合型式進行了三維有限元靜力計算分析和研究；對混凝土防滲墻不同彈性模量對墻體應力和變位的影響進行了三維有限元靜力計算分析和研究。通過對不同方案的計算分析和研究，比較全面的了解了各方案壩體，尤其是防滲體的應力和變形分佈規律，為壩型選擇、壩體結構設計、基礎防滲墻與壩體防滲體的結合型式以及塑性區大小的確定提供了重要依據。 -
( 2 ) on the basis of continuity equation, momentum conservation equation, energy conservation equation, and substantial equation, coupled thm governing equations are derivated with giving up the assumption of local thermal equilibrium, adopting thermal elasto - plastic constitutive relation, taking the effect of temperature gradient on groundwater seepage ( analogous to soret diffusion ) and the effect of viscous dissipation of groundwater on temperature field of rock mass into account
（ 2 ）根據連續性方程、線動量平衡方程和能量守恆方程以及相應的物性方程推導了飽和巖體溫度場-滲流場-變形場三場耦合作用控制方程組。在推導控制方程組時舍棄了「局部熱平衡」假設，採用了熱彈塑性本構關系，考慮了溫度梯度對地下水滲流的影響（類soret效應）以及地下水的粘性耗散對巖體溫度場的影響。 -
The data from xinbi high - slope shows that it ' s a stable slope. 3. the result of elasto - plastic finite element analysis shows that : ( 1 ) excavated - slope face would induce loose belt in rock ; ( 2 ) horizontal ground stress, joined rockmass and weak sandwich would make great unfavorable influence on slope stabilization and axial force of rock bolt
有限元數值分析結果表明：邊坡的開挖會使坡面巖體產生松動帶；構造水平地應力、結構面、軟弱夾層對坡體穩定及支護在坡體上的錨桿的受力情況有較大的不利影響。 -
Fire safety of plastic boards in lion rock tunnel and aberdeen tunnel
獅子山隧道和香港仔隧道的塑膠圍板的消防安全問題 -
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。 -
The faces of plastic art of chinese rock painting
中國巖畫造型的面的表現藝術 -
( 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。
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