穩定限界 的英文怎麼說

中文拼音 [wěndìngxiànjiè]
穩定限界 英文
stability boundary
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • : 名詞1 (相交的地方; 劃分的界限) boundary 2 (一定的范圍) scope; extent 3 (按職業、工作或性別等...
  • 穩定 : 1 (使穩定) stabilize; steady 2 (穩固安定) stable; steady 3 (物質的性能不易改變的作用) stabi...
  • 限界 : bound
  1. In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test

    然後,對巖土工程領域至今尚未解決,甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討,提出了考慮地基變形的地基承載力上程計算方法;對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎(空間問題)的承載力荷載p _ ( 1 / 4 ) ,並與國內外土力學專著及地基基礎設計規范中的條形基礎(平面問題)的荷載p _ ( 1 / 4 ) ,進行了對比,從而量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況;根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作,本文以截頭錐模型模擬地基,對地基(巖基)承載力的動測法進行了研究,為各類地基(包括巖基) ,匯總了動力分析和檢測川的參數:針對日前巖土工程應用樁基設計規范中的難點? ?樁端巖基承載力的確問題,從巖石室內單軸抗壓強度確、基於彈塑性模型的有單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論;本文作者根據多年現場載荷試驗的工程實踐,對深井荷試驗裝置的核心部分? ?反力裝置,設計了側壁支撐反力加載系統,該加載系統具有實用、簡便、及安個等優點。
  2. On the basis of investigations into the progressive yield process and the possible failure modes of rcc gravity dams, the quasi - elasticity design limit state of the ctrtical stability criterion is proposed and the real working state of the dams designed according to the ctriterion is discussed. a check formula using the material strength reducing factor as the safety index and a simplified formula similar to against sliding stability fromula are derived. finally, the corresponding design safety factors are given by using fem calculations with various influence parameters to be taken into account

    本文在研究碾壓混凝土重力壩漸進破壞過程和可能失方式的基礎上,提出了以準彈性臨作為準則的設計極狀態,分析了按該準則設計的大壩的實際工作狀態,導出了以準彈性強度儲備系數為設計安全指標的審查公式以及形式與抗剪斷公式相同的簡化公式,探討了量計算考慮各種因素影響的相應設計安全系數的合理取值,並與現行規范方法進行了比較
  3. Safeguards regime plays a key role in stabilizing multilateral trade system, therefore is reputed as " safe valve ". consequently, safeguard measures are attached more and more importance by wto members as a kind of powerful trade instrument, which contribute to relieve industrial injuries and equipoise trade interests. china ' s accession into wto signifies overall participation in world economy

    在wto多邊貿易體制中,保障措施機制被視為具有「安全閥」作用,其功能在於劃成員承擔減讓義務的,用以協調各成員共同和長遠利益與某些成員眼前利益的矛盾與沖突,平衡各成員的利益,維持多邊貿易體制的
  4. Based on laboratory and in - situ tests, the influence of initial void on the rutting - resistance, moisture damage - resistance, strength and permeability of asphalt mixt is studied, and the appropriate ranges of air void of asphalt mixtures are analyzed and suggested

    摘要在室內試驗和現場測試的基礎上,分析初始空隙率大小對瀝青混合料抗車轍能力、水性、強度和滲透性能的影響,探討瀝青混合料空隙率的值。
  5. Beginning with the connotation of chinese, the authors analyses the relationship between speech form and speech content, illustrates the ever - changing form should follow its basic rules. comparing with content, the author thinks speech form has the feature of direct perception, the stability and limitation. thus, chinese teaching based on the form is not only in accord with the law of individual perception and psychological development, beneficial to develop the students " perception structure, but also it " s an important principle, the center of chinese teaching, the main foundations to train the students " language ability

    本文澄清了人們對語文學科的幾個基本概念的曲解和誤會,從語文的內涵入手,科學地言語形式和言語內容的概念與關系,並從學習個體認知學習的心理發展規律和語文教學自身的內在規律方面尋找理論依據,闡述了言語形式雖是「千變萬化」的,但有其基本規律可循,且此基本規律是「千篇一律」的,與內容相比,具有相對的直觀性、性和有性,所以,語文教學以言語形式為主,既符合學習個體認知學習的心理發展規律,有助於學生良好的認知結構的構建,遷移學習能力的形成及認知能力的發展;同時,以言語形式為主,又是語文教學的一條重要的客觀規律,它是語文教學規律性運轉的「軸心」 ,是培養學生言語能力的「抓手」 、語感能力形成的源泉、弘揚人文性的依託。
  6. Theoretical analysis of systems was carried out where beams and columns were hinged rigid bodies while the vertical beams were elastic, then the analysis was extended to systems in which both the frames and the bracing beams were elastic

    文章研究了彎曲型支撐?框架結構的性。在剛彈性模型分析和大量有元計算的基礎上,建立了彎曲型支撐剛度與框架臨荷載的關系式。
  7. A normal transform is introduced, and there are enough much grids in the region between the critical layer and the wall, where the variation of the disturbance is the quickest. the finite - difference of governing equations with fourth - order accuracy in the normal direction is utilized in full regions including points close the wall, and is very important for accurately discreting equations. the combination of global and local methods is implemented, and a new iterative formula is derived

    對于曲線坐標系下的拋物化性方程,文中發展了求解的高效數值方法:引進法向變換,使得在臨層與壁面之間的擾動量變化最快的區域有更多的法向網格點;導出包含邊鄰域在內的完全四階精度的法向有差分格式,這對方程精確離散至關重要;採用全局法和局部法相結合的方法及其新的迭代公式,大大加速收斂並得到更精確的特徵值。
  8. In the end, fuzziness of cwr stability safety limit is discussed

    最後,探討了無縫線路性安全的模糊性。
  9. Because of limit that invisibility and discommodious in anciently program, based on the method of limited rigid body equilibrium, using visual program language vb and connect autocad, realize plane and solid programme of abutment analysis of arch dam, provide alternation interface for designer. presently, our country constructing and will construct high 300m arch dam, it is important to judge security based on nonlinear fem analysis. basic theory of nonlinear fem analysis and its realization in ansys were studied

    針對傳統程序的存在問題,非直觀、不易操作特點,以剛體極平衡法為基本分析方法, visualbasic作為操作平臺,結合autocad圖形軟體,完成了剛體極平衡法二維、三維壩肩分析程序設計,使之具有直觀性,可視性、易操作性,為設計人員提供了具有友好面的工程使用軟體目前我國西部在建和將建一批300m級的高拱壩,運用有元方法計分析拱壩性、評判大壩安全度十分有必要。
  10. According to eigenvalue equation ( general formula ) of the energy method of the plane steel frame structure stability, and considering the restriction of the end of the column of the main steel frame and function of deflection curve gained from the differential balance equation general resolution, we get the equation for calculating the length coefficient of the main frame structure stability of the steel arch gate and the resolutions are also given

    根據平面剛架性能量法特徵值方程(通式) ,考慮弧形鋼閘門主框架柱的柱端約束的特殊情況,求出撓曲線函數(試解函數)通解,得到弧形鋼閘門主框架柱性計算長度系數方程。其中弧門主框架主橫梁式形框架的臨荷載比較現行規范推薦的有元法簡單方便、結果精確及物理概念明確等優點。
  11. Control chart is a kind of charts that are used to analysis and determinate whether a process is in - control or not. it use a graph to illuminate the quality variations in production process, and help to find the sources of the variations - common causes or special causes. it is a useful statistical method to keep a process in a stable situation

    控制圖是用於分析和判斷工序是否處于控制狀態所使用的帶有控制的圖,它通過圖形的方法,顯示生產過程隨時間變化的質量波動,並分析判斷它是由於偶然因素還是由於系統因素造成的,從而提示管理者及時採取相應的措施,消除系統因素的影響,保持工序的狀態而進行的動態控制的統計方法。
  12. By these new control charts, the steady control limits are able to build when the production begins, the problem is solved that the appropriate control limits are hard to be built by using the traditional shewhart control chart in small batch production environment because enough data can not be acquired

    這種控制圖可以在生產過程一開始就根據給的條件建立起的控制,從而解決了傳統的休哈特控制圖應用在小批量生產條件下數據量不足,無法建立起合適控制的問題。
  13. ( 2 ) to determine the worst load case accurately and quickly, influence faces of main sections are plotted < > ( 3 ) combining the influence face with the pre - reinforcement space fe model, the internal force and the stability are computed, then the main reasons of the disease are analyzed

    ( 2 )為準確快速地確最不利荷載工況,運用虛位移原理和邊元相結合的新方法,繪制了主要檢算截面的內力影響面。 ( 3 )應用空間有元模型,結合內力影響面,對加固前進行內力和性計算,分析其主要的病害原因。
  14. Considering that the characteristics of our country ' s highway tunnels are always of long spans, tabular and of various geometry, by means of thorough analysis of the different problems existed in the design of support structures of the tunnels at present, this paper pays special attention to the two key problems, optimization method of form selection of structural section of the tunnel as well as the stability and bearing capacity of the support structures, in the design of the long and large tunnel on high - class highway, introduces the simplified complex - form optimum method in the structure optimization theory, discusses the optimum design model of lining section of highway tunnel with satisfying demands in building clearance, ventilation and load conditions, puts forward an optimization method of form selection of three different kinds of lining sectional forms ( i. e. single - center circle, three - center tabular circle and three - center sharp circle ), establishes a complete set of systematic optimum design the ory and method of long and large tunnel on high - class highway, develops the corresponding computer software used on the planned xuefeng mountain highway tunnel on shaoyang to huaihua expressway in hunan province for optimization of form selections of the structural sections, and obtains a series of relatively reasonable structural design parameters

    本文針對我國公路隧道多為大跨度、扁平、幾何形狀呈多樣化的特點,通過深入分析目前隧道支護結構設計中存在的各種問題,抓住高等級公路長大隧道設計中隧道結構斷面的優化選型及隧道支護結構的性與承載能力兩個核心問題,引入結構優化理論中的簡易復合形優化方法,深入探討了滿足建築、通風條件、受力狀態約束等條件下公路隧道襯砌斷面優化設計模型,提出了三種襯砌斷面形狀(單心圓、坦三心圓和尖三心圓)的優化選型方法,建立起一套完善的高等級公路長大隧道的系統優化設計理論與方法,並開發出相應的計算機程序,用於擬建的上海至瑞麗國道主幹線湖南省邵陽至懷化高速公路雪峰山長大高速公路隧道的結構斷面優化選型,得出了一系列較為合理的支護結構設計參數。
  15. Equation ( 4 ) is said to belong to limit circle type if all solutions of equation ( 4 ) belong to l ~ ( 2 ) ( simply denoted by l. c. ) equation ( 4 ) is said to belong to lagrange stable if all solutions of equation ( 4 ) belong to ( simply denoted by l. s. ). in chapter 4, we study criteria for the linear nonhomogeneous differential equation belonging to the limit circle type

    方程( 』 )稱為極圓型的,若方程( 』 )的所有解都屬于護[ a , co ) (簡記為l . c . ) ;方程( 』 )稱為拉格拉日,若方程( 』 )的所有解均屬于lco [ a , co ) (簡記為l . s . ) .由於方程( 』 )解的平方可積性及有性的研究在微分運算元理論、按微分方程的特徵函數展開理論以及無區間上受控系統的最佳控制理論等方面具有重要應用
  16. First, we reviewed the finite - difference time - domain yee ' s method. the difference equations, the stability condition, numerical dispersion characteristics, absorbing boundary conditions, incident wave source conditions and the calculation of the frequency - dependent scattering parameters are discussed

    首先本文回顧了時域有差分yee演算法,包括時域有差分的差分方程、性條件、數值色散特性、吸收邊條件,激勵源的設置以及散射參數的計算等。
  17. This paper try to mix the finite strip method and hybrid stress element, and deduce a numerical and computer method which combines the advantages of the two methods - mixed hybrid finite strip method ; analyze the intensity and stability of the orthotropic plate by this method ; deduce the formula of the orthotropic plate ' s analysis and calculation under this method ; compile the program of orthotropic plate ' s mixed hybrid finite strip method ( hfsop. for ) with fortran - 77 language, and perform them under fortran90 environment of pc computer ; comparing with traditional methods by example of computing, prove that the mixed hybrid finite strip method have better degree of accuracy, moderating the stiffness of plate, coming more close to actual conditions, avoiding over - hard or over - soft ; finally, this paper analyze the stability of a orthotropic plate by this method, and deduce the - value of critical stress

    論文將有條法和應力雜交元法兩者結合起來,導出一種兼有兩者優點的數值計算方法? ?混合雜交有條法。運用這種方法對正交異性板的強度和進行了分析,推導出正交異性板在這種方法下的分析計算公式,用fortran - 77語言編寫正交異性板混合雜交有條法程序( hfsop . for )在微機fortran90環境下運行。通過算例與傳統的方法比較,驗證混合雜交有條法有更好的精度,使板的剛度適中,更接近實際情況,避免「過硬」或「過軟」 ;最後,論文還用此方法對一正交異性板進行了分析,得出臨應力值。
  18. Secondly, in view of the limitation and shortage of traditional simulation of finite element approaches for bolt, a new composite grouted bolt element including nonlinear contacting relation will be built based on the above study of the mechanics mechanism of fully grouted bolt. then, an elastic - plastic finite element program will be developed for the analyses of tunnel stability, in which the composite grouted bolt element and nonlinear finite element analysis method will be used ; the patterns and the affect of main design parameters on the support effect of bolt will be analysed using the program, and conclusions of guidance importance for tunnel support design will be drawn. finally, simulation compution for the excavation and support of a highway tunnel will be made out using the above production, and the method of application of the program will be discussed ; analysis of the deformation, stress and distribution of plastic range will be done, and rational support plan will be worked out, which is of guidance importance for tunnel support design and the thery and technique of fully grouted bolt used in tunneling will be perfected further

    首先,本文在綜合分析隧道性影響因素及失破壞模式的基礎上,對全長粘結式砂漿錨桿作用力學機理進行了深入研究,為全長粘結式砂漿錨桿的有元模擬分析奠了基礎;其次,針對傳統錨桿有元模擬方法的局性與不足,在上述全長粘結式砂漿錨桿作用力學機理研究基礎上,建立出能反映面非線性粘結的新型復合砂漿錨桿有單元模型;然後,運用上述復合砂漿錨桿單元模型,引進非線性有元分析手段,開發了隧道支護性分析的有元程序,並就全長粘結式砂漿錨桿的型式與設計參數對支護效果的影響進行了深入探討,得到了對隧道支護設計具有指導意義的結論;最後,運用本文研究成果對某公路隧道工程實例進行了開挖與支護的模擬計算,探討了其應用方法,並就隧道變形與應力及塑性區分佈規律進行了分析,從而提出了合理的支護方案,為隧道支護設計提供了參考依據,完善了隧道全長粘結式砂漿錨桿支護的理論與方法。
  19. By thoroughly analyzing the methods on slope stability of high rock - filled embankment, in this paper, a new kind of composite evolutionary algorithm is formed to search the critical slippage surface and also discussed in this paper is a new way to simplify the procedure of general slice method for stability analysis

    本文還通過對目前國內外高路堤邊坡性分析方法的綜合分析和深入探討,簡化了極平衡法中的通用條分法的求解過程,並結合現代優化方法,提出一種新型的混合演化演算法對高填石路堤邊坡臨滑動面進行搜索。
  20. Transient stability limit

    過渡
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