巖基接觸 的英文怎麼說
中文拼音 [yánjījiēchù]
巖基接觸
英文
contact of the batholith- 巖 : 名詞1. (巖石) rock 2. (巖峰) cliff; crag
- 接 : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
- 觸 : Ⅰ動詞1 (接觸) touch; contact 2 (碰; 撞) strike; hit 3 (觸動) touch 4 (感動) move sb ; sti...
- 接觸 : 1. (交往) come into contact with; get in touch with 2. (沖突) engage 3. (挨上; 碰著) contact; touch
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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。Stability of rock slopes is generally controlled by the structure of rock masses, especially the soft structure surfaces. analysis of rock mass structures is a key to establish geological models and numerical simulation and a foundation to assess the stability of rock slopes. the weak structure surfaces are mainly bedding planes, faults, joints, schistosity plane and contact zones of intrusive bodies. since they are different in genesis and scale, the rock masses are different in features and mechanical intensities. based on the combination of rock structure bodies, 15 basic modes of deformation and failure of rock slope are systematically summarized. the deformation and failure of rock masses actually result from the recombination and rearrangement of these rock bodies. there are 11 types of rock mass structures and various deformation and failure of bank slopes are present in the reservoir area of the three gorge project
巖體結構,特別是軟弱結構面對基巖斜坡變形與破壞具有顯著的控製作用,巖體結構模式分析是建立斜坡地質模型和數學模型的關鍵和評價斜坡穩定性的基礎。巖層層面斷裂構造節理裂隙片理與劈理以及侵入體和圍巖的接觸帶等是控制基巖斜坡穩定的軟弱結構面,這些成因不同大小不一的結構面將巖體分割成性質各異力學強度不均的各種巖體結構體,構成了15種基巖斜坡變形破壞的巖體結構基本模式。不同結構體的重新組合與排列是斜坡失穩的內在原因。In the computation module, mindlin formula is applied to calculable the displacement of the rock ( soil ). based on the presumption that the rock ( soil ) and the anchor has the same displacement at the interface, the equation of displacement of rock ( soil ) and the anchor is made
在該計算模型中,運用mindlin公式計算巖體位移,並基於在桿體與巖土體接觸面上位移相等的假定與桿體的位移建立等式,進而求出沿桿體全長的剪力分佈。An angular unconformable contact was for the first time found between the middle jurassic bathonian stage and its underlying pre - ordovician metamorphosed basement in the chawola district, in nyainrong county
摘要在聶榮縣查吾拉區一帶首次發現中侏羅統巴通階與下伏前奧陶系基底變質巖系之間呈角度不整合接觸。According to the type and scale of stratigraphic contact, four synthems such as basement ( pre - sinian ), lower ( palaeozoic ), middle ( mesozoic ) and upper ( cenozoic ) are divided, and seven sub - synthems are subdivided
本文依據地層接觸關系的類型和規模,將本區劃分為基巖(前震旦系) 、下(古生界) 、中(中生界) 、上(新生界)四個構造層和內部的七個構造亞層。Another hidden danger is the weakening of the impervious ability of the dam resulting from the closeness of the height of line seepage of the reservoir water level to the contact plane between the residual solum, talus solum and basement rocks
水庫水位浸潤線標高和殘坡積土與基巖接觸界面標高較接近,而使此高程的防滲能力更加薄弱,這也是此壩體的隱患之一。Based on the analysis of the stress distribution law in different districts around the self - closed and full - connected arch walling support roadway, the relationship among the limit equilibrium radius and the in - situ rock stress, the physico - mechanical properties and support parameters is obtained. the calculation formula of arch walling width design is put forward so as to provide a theoretical basis for the practical design of support
在分析自封閉全接觸碹體支護巷硐周圍不同區域應力分佈規律的基礎上,得出了圍巖極限平衡區半徑同巷硐所處的原巖應力,圍巖本身的物理力學性質及碹體支護參數間的相互關系,提出了設計碹體厚度的計算公式,為實際進行支護設計提供了理論依據。In qinghai province, it reveals that the au deposits are mostly distributed on the sits between different tectonic units ; and in the edge of the exposed and / or concealed metamorphic basement of the early sinian period ; in the area of the exposed and concealed acid - instrusions and / or their contacts ; and in the localities where the circular and linear anomalies of graviation and magnetism cut across
結果表明,該區的金礦大都分佈在不同大地構造單元結合部位;處於前震旦紀變質巖系出露及隱伏基底邊緣;位於出露和隱伏中酸性巖體及其接觸帶;位於重磁環線、線線構造交匯處等。Abstract : the comprehensive fem analysis for the shimen arch dam and its abutment is carried out as an example to demonstrate the proposed method utilizing the monitoring data for calculation. based on teh back analysis of permeability coefficient and tensile strength of the seam between dam and foundation, the 3 | d seepage flow and elastoplastic fem analysis of arch dam and its abutment are conducted. the safety factor against sliding of arch dam is determined using some different methods to verify the stability of the dam
文摘:本文以石門拱壩為例,說明基於原觀資料進行拱壩及其基礎的綜合分析的方法.內容包括:在反演擬合滲透系數和壩與基巖接觸面的抗拉強度參數的基礎上,進行壩址區三維滲流場分析、拱壩與基礎的三維線彈性、彈塑性力學分析,並用多種方法探求了拱壩抗滑穩定安全系數According to the characteristics of basalt in guizhou province, in combination with weathering features of basalt, the design of trenches and side - slope are discussed, especially the design of side - slope of the contacting part between basalt and limestone is studied, in order to make the roadbed design safe and reasonable and reach the requirement
摘要根據貴州省玄武巖出露特點,結合玄武巖的風化特點,探討玄武巖路段路塹邊坡設計,特別是對玄武巖與灰巖接觸部位的邊坡設計提出了重點研究,使路基設計既安全合理,又達到環境保護的要求。Discontinuities of rock mass are the primary challenge for theoretically analysis and numerical model based on the traditional contin uous medium mechanics theory, and sharply increase the cost, extend the period of the physical modeling
流形元法是十年在有限覆蓋系統基礎上發展起來的新的巖體工程數值模擬方法,流形的基本結構是有限覆蓋系統和覆蓋間的接觸函數。Because the upper rocks are influenced after the mining lower coal, they glide along the primary bursting surface, and the upper rock layers can form surface - contact fabric by its shear and bulge function
作者認為,下煤層開采後上覆頂板巖層受到二次擾動,其破壞移動主要是沿原有破裂面滑移,由於剪脹的作用,上覆巖層能夠形成面接觸的覆巖基本結構特徵。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。This paper summarized the characteristic and localizations of the special contact elements that can simulate the joints in rockmass. except for those, three kinds of numerical methods for dynamic contact analysis were introduced. then, the augment lagrangian method that combined lagrangian multiplier and penalty function was applied to the dynamic contact analysis with friction
本文闡述了模擬巖體裂隙節理的特殊接觸面單元,分析其特點和局限性;介紹了三種處理動力接觸問題的數值演算法,利用lagrange乘子法和罰函數法聯合的增廣lagrange乘子法建立起裂隙節理的動力摩擦接觸條件和本構方程以及有限元基本方程,並運用此數值方法分析一具有貫通節理面的動力摩擦接觸問題,得出一些基本規律。分享友人