極限安全系數 的英文怎麼說

中文拼音 [jíxiànānquánxìshǔ]
極限安全系數 英文
ultimate factor of safety
  • 極 : i 名詞1 （頂點; 盡頭） the utmost point; extreme 2 （地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • 限 : 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
  • 全 : Ⅰ形容詞1 （完備; 齊全） complete 2 （整個） whole; entire; full; total Ⅱ副詞（完全; 都） entirely...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 極限 : 1 （最高的限度） the limit; the maximum; the ultimate limit; limitation; extremity; tipping point...
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. 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穩方式的基礎上，提出了以準彈性臨界作為穩定臨界準則的設計極限狀態，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，探討了定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
  2. Safety factor of composite pile foundation designed based on ultimate bearing capacity of single pile

    按單樁極限承載力設計復合樁基時的整體承載力安全系數
  3. Secondly, the fu yang lailong mountain slope failure was introduced. the factors influcing the slope stability were analysed and the calculated results were compared with those obtained by insitu monitoring. finally, some conclutions were obtained, which are important to engineering application

    本文結合富陽來龍山滑坡的工程實例，介紹了來龍山滑坡的概況，分析了滑坡產生的成因、滑坡要素及監測情況，並用極限平衡法和有限元法分別進行了安全系數的計算與分析，提出並驗證了自己的觀點。
  4. The transverse stiffness limitation index ? the permissible ultimate width / span ratio b / l of the continuous steel truss girder of railway bridge is analyzed in accordance with the analytic theories of random vibration of train ? bridge time - variation system and the required derailment coefficients and comfort of drivers and passengers in train running through the bridge. the limitation index in question may be referred to in the design of the continuous steel truss girders of railway bridges

    基於列車-橋梁時變系統隨機振動分析理論，按照橋上列車脫軌安全系數和司機、旅客舒適度的要求，對鐵路連續鋼桁梁橋橫向剛度限值-橋梁容許極限寬跨比b / l進行了分析，對鐵路連續鋼桁梁橋的設計具有一定的參考作用。
  5. A combined neural network and genetic algorithm with solving stability safety of homogeneous slope was proposed and the finite element method is applied to analysis the progressive failure process of the slope and the maximum equilibrium theory, requests out stability safety of homogeneous slope with the smooth arc radius of difference with the difference below the level coordinate of arc peak, utilizing the neural network algorithm to establish slidng the nonlinear mapping relationship between level coordinate of arc radious and arc peak, being adapted the neural network algorithm to look for along the minimal stability safety of homogeneous slope and corresponding arc radious and arc peak

    提出了求解邊坡穩定性安全系數的神經網路與遺傳演算法。該方法採用有限元分析和極限平衡理論，求出不同的滑弧半徑和不同的弧頂水平坐標下的邊坡穩定性安全系數，利用神經網路演算法建立滑弧半徑和弧頂水平坐標與安全系數之間的非線性映射關系，採用遺傳演算法搜索邊坡的最小穩定性安全系數及相應的滑弧半徑和滑弧中心坐標。
  6. 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。
  7. In this paper, based on the analysis of the rlem of theory foundation, computing method, preference, applicability, etc, we anatomized the rlem of three self - deficiencies and six scarcities. moreover, we adopted the parallel ways of contrasting the rlem with the fem and applied it to analyzing the impact of slide block of elasticity and plasticity, slip surface of coefficient and slip bed of elasticity, plasticity upon the stability of slope and in the plain linearity slope, the plain refracted line slope and the plain arc slope. in addition, we discussed the warp of between the lem of ( sarma, janbu, order, bishop, morgenstera - price, etc ) and the fem of result and the distributing of positive stress and shear stress on the slip surface

    本文從剖析剛體極限平衡法的理論基礎、計算方法、參數選取、適用條件等方面入手，剖析了剛體極限平衡方法的3點自身缺陷和6點不足，並在此基礎上採用了剛體極限平衡法（平面滑動破壞法、 sarma法、傳遞系數法、普遍條分法、 janbu法、 bishop法、 morgenstern - price法）與大型有限元法對比研究的方法，分析研究了平面直線型滑坡、平面折線型滑坡、平面圓弧型滑坡在漸進破壞中邊坡的滑體彈塑性參數、滑麵塑性參數） 、滑床的彈塑性、以及極限平衡法無法考慮開挖應力釋放等因素對邊坡穩定性的影響與滑動面上的正應力、剪應力分佈規律、安全系數的解答的差異。
  8. The paper studies systematically some methods which are applied to analyze the whole stability safety coefficient fs of soil - nail bracing, and discusses the merit and short - comings of the vertical limit slice methods

    本文系統的研究了用於分析土釘支護結構整體穩定安全系數f _ c的多種方法，指出了垂直極限條分法的優缺點。
  9. The treatise elaborates some methods to make use of the slice method and limit equilibrium theory to calculate the stable safety coefficient of dam slope, and some mathematics equations, which depend on iteration of computer program to solve

    摘要本文闡述了利用「條分法極限平衡原理」計算土壩（堤）邊坡穩定安全系數的方法，並建立了藉助計算機程序迭代求解的數學方程。
  10. A model is erected for fs with logarithmic spiral sliding surface which can simulate the genuine sliding surface better than others, then the express of fs is deduced based on the upper bound theorem of limit analisis

    採用對實際滑裂面模擬較好的對數螺旋曲線滑裂面，建立了整體穩定安全系數f _ c的模型，從極限分析中的上限理論推導了整體穩定安全系數f _ c的表達式。
  11. Based on the combination of evolution strategy and limit equilibrium method, an effective global optimization method is proposed to allocate the most dangerous non - circular critical slip surface corresponding to the minimum factor of safety in slopes

    摘要將進化策略與邊坡穩定極限平衡法相結合，建立了邊坡任意形狀最危險滑裂面及相應最小安全系數的全局優化搜索方法。
  12. Accordring to basic concept and assumes essentially on the basic of sweden method of slices, be living below the maximum equilibrium state, the function expression about stability safety homogeneous slop is deduced, and the slope surface is consist of two lines and an arc, afterwards according to analysis theory of minimal value ruling on the basic of the maximum, genetic algorithm is applied to slove the dangerousest slide situation and radius and corresponding safely factor

    根據瑞典圓弧法的基本概念和基本假定，在極限平衡狀態下，推導了兩直線段均質斜坡穩定性安全系數函數表達式，然後根據極限分析理論的極小值原理，利用遺傳演算法，求出了邊坡穩定性安全系數極小值，並得到最危險滑動面的滑弧半徑和滑弧中心坐標。
  13. In the direct method, safety factor is evaluated using computer program written in fortran language based on rigid limit equilibrium equation

    在直接法里，安全系數由自編的基於剛體極限平衡法的fortran程序來評價。
  14. Finally, according to geological and finite element analytical findings, apply limiting equilibrium principle to type section under the different conditions, adopt many methods to count, combine the project features at libo airport and relevant standard, select the safety factor, analyze the countant findings comprehensively, estimate the stability in the field, and give some saggesticms of the settle measure

    最後，根據地質及有限元分析結果，對典型剖面在不同工況下應用極限平衡原理，採用多種方法進行計算，結合荔波機場的工程特點及相關規范，選取安全系數，綜合分析計算結果，對場區的穩定性作出評價，提出處理措施建議。
  15. In general, for the stability of side slope, we should specify a safety factor. because the work state on limiting equilibrium theory of rigid body is assumed, it ca n ' t be used to analyze the course of the rock breakage

    評價邊坡的穩定性，一般來說要給出一個安全系數，建立在剛體極限平衡基礎上的各種方法由於其工作狀態是虛擬的，因此無法分析邊坡破壞的過程。
  16. By using the method of reducing shear stiffness by step, that is, reducing shear stiffness during 3d nonlinear finite element analysis, it can simulate the stability of slope when its materials intension become strength from weak. when the slope is limiting equilibrium, we can define the safety factor on this parameter

    應用逐步降低抗剪強度法，即在三維非線性有限元計算過程中逐步降低材料的抗剪強度，可以模擬材料由強減弱的過程時邊坡的穩定性態，繼而由邊坡在極限平衡時的參數確定邊坡的安全系數。
  17. Pore - water pressure distribution calculated by the program is used to slope limited equilibrium analysis, is synthetically analyzed with the fluctuation of the upper reach ' s water level of dam and core - wall dam upper or down are analyzed synthetically when the upper water level changed

    把在計算非穩定滲流中所得到的孔隙水壓力分佈用於邊坡極限平衡分析。綜合分析壩體上游水位變化時，均質壩上、下游邊坡和心墻壩上游邊坡安全系數的變化規律。
  18. At present, limit equilibrium method is one of the conventional slope stability analysis methods. it ca n ' t consider nonuniformity of mechanical characteristic of landslide body and its rock bed and the effect of stress distribution on the gilding surfaces, since the rigid body assumption is adopted in this method. furthermore, this method ca n ' t accurately consider inactive forces between slices

    目前常用的邊坡穩定分析方法中的極限平衡法由於採用了剛體假定，無法考慮塌滑體及其基巖力學特性的不均勻性和滑動面上應力分佈的影響，此外還不能準確考慮條塊間的作用力，而另一種常用的邊坡穩定分析方法? ?常規有限元分析方法，當滑動面全部處于屈服狀態或邊坡的實際抗滑穩定安全系數小於1時無法求解。
  19. Abstract : based on soil plasticity and limit analysis theory, the second failure surface of backfill behind retaining wall with gentle back surface are studied from two view points of maximum active soil pressure and minimum resistive overturning safety factor, and it is further considered that the minimum resistive overturning safety factor is the best approach to studying the failure mechanism of backfill under complex back surface conditions of retaining structures

    文摘:基於土的塑性極限分析理論，從擋土墻最小抗傾覆安全系數和擋土墻背上的最大主動土壓力兩個角度，分別研究了坦墻後土體中第二破裂面的位置，認為在復雜的擋土結構墻背條件下，用最小抗傾覆安全系數來研究擋土墻後土體的破壞機制較為合理。
  20. Habitually we practice slope stability analysis and appraise method by the safety coefficient method, which was set up under the basic of slice methods of rigid body equilibrium principle, and achieve the safety coefficient by carrying on the slope stability calculate which can be regard as the slope stability evaluation index

    慣用邊坡穩定性分析與評價方法為安全系數法，該法以建立在剛體極限平衡原則下的各條分法為基礎，通過對邊坡進行穩定性計算求得安全系數，並以此作為邊坡工程穩定性的評價指標。
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