safety factor method 中文意思是什麼

safety factor method 解釋
安全系數法
  • safety : n. 1. 安全;平安,穩安,保險。2. (槍等的)保險器,安全瓣;〈口語〉低座腳踏車[自行車] (=safety-bicycle)。3. 安全設備,保險裝置。4. 【棒球】安全打。
  • factor : n 1 〈英國〉經銷人;(代客買賣收取傭金的)經紀人;代理商;代辦人;〈蘇格蘭語〉 土地經管人。2 要素...
  • method : n 1 方法,方式;順序。2 (思想、言談上的)條理,規律,秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. Utilizing dynamical finite element method based on equipollence linearity model, found the dynamical stress field and the acceleration field, make the foundation for calculated the safety factor of the dam slope with finite element method

    運用有限元法分析壩體穩定的基本原理,根據得到的壩體動應力分佈場計算了壩體的動力穩定安全系數。
  2. Utilizing pseudo - static method theory, calculated the safety factor for the dam slope, give, a primary conclusion. utilizing static finite element method based on duncan - chang hyperhola modelfound the static stress riele, make the foundation for hynamical finite element analysis. utilizing dynamical finite element method based on equipollence linearity model, found the dynamical stress field and the acceleration field, make the foundation for calculated the safety factor of the dam slop with finite element method

    運用擬靜力法的基本原理,對滿拉堆石壩的壩坡穩定進行了分析研究,得出了初步結論;採用duncan - chang雙曲線模型,用計算土石壩應力及變形的靜力有限元程序,對滿拉堆石壩進行了靜力有限元分析,得到了壩體的靜應力場分佈,為動力有限元計算打下基礎。
  3. In the past, the safety factor and stresses of assumed potential sliding faces are computed directly ( direct method )

    過去,我們根據假定的可能滑移面直接計算安全系數和應力(直接法) 。
  4. 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。
  5. Concrete elastic modulus and concrete creep and shrinkage variety at different time are reckoned in by using time increment analysis method and concrete creep and shrinkage secondary force is calculated by using effective elastic modulus. bridge stability analysis program is developed on the base of structure matrix displacement method, the program adopts visual basic language, has friendly interface and visual data input windows. the buckling safety factor of currently finished structure is given as result

    為計入混凝土彈性模量的變化及混凝土徐變收縮隨混凝土的齡期與外荷載加載時間不同而變化的影響,採用時間增量法對每個計算階段根據其階段內時步數進行循環,以計算時段內彈性應力、應變增量和徐變、收縮產生的應力應變增量,利用有效彈性模量法計算混凝土徐變收縮次內力,在此基礎上,結合結構矩陣位移法的基本理論編制開發了計入混凝土時效效應的高墩大跨徑橋梁穩定分析程序。
  6. The combination of comprehensive safety factor method and reliability method is much advantageous than the single safety factor method in the analysis of slope stability

    綜合安全系數和可靠度方法進行邊坡穩定分析比單一採用安全系數法具有明顯優勢。
  7. 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
  8. For circle failure surface, this paper uses ga ' s theory to search the center of a circle and the radius of it separately, and based on simple bishop method to compute the safety factor ( f ), and compiled program successfully

    針對圓弧形滑動面法,採用嵌套式的遺傳演算法分別對滑動圓弧的圓心、半徑進行遺傳進化搜索,基於簡化bishop原理進行穩定系數的計算,成功的編制了程序。
  9. Global safety factor of compound soil - nailed wall determined by strength reduction method

    強度折減法確定的復合土釘支護整體穩定系數
  10. The field of water distribution is obtained by finite difference method, then it is transformed into weight field and strength field or the field of suction distribution. the safety factor of slope during the infiltration time is calculated by slice method according to the actual weigh field and strength field

    在有限差分法求得土坡水分分佈的基礎上,提出了用條分法計算土坡在降雨入滲各個時刻安全系數的思路:把水分分佈場轉化為邊坡的基質吸力分佈場(強度場)和重量場,用邊坡的實際重量場和強度場來進行安全系數的計算。
  11. The portal frame is a hyper static structure, if it is analyzed by material - strength method, it is complex and large simplification must be made, and calculation accuracy is lower. larger safety - factor is often adopted to ensure the portal frame safe, this results in large structure size, more material cost and higher manufacture cost

    該門架結構是一個高次靜不定問題,採用傳統的材料力學方法很難求得解析解,且要想求解需對結構作較大的簡化,造成計算結果誤差大,為此,常採用加大安全系數的方法以保證結構的安全可靠運行,結果使結構尺寸加大,浪費材料,增加製造成本。
  12. 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。
  13. Through the description of limit equilibrium state and slope stability analysis by strength reduction fem, the safety factor is got, at the same time, the critical failure surface is found automatically. these conclusions testified that this method is practicable if there are detailed investigation, reasonable model and favorable software

    通過與傳統穩定性計算成果的對比分析,表明:只要調查充分,模型合理,加上良好的計算分析程序,對非貫通性節理巖體高邊坡的穩定性評價,有限元強度系數折減法是確切可行的。
  14. 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。
  15. A safety reliability evaluation method for embankment slope stability under random storm wave actions and erosion - damage effects is proposed, the genetic algorithm has been used as the modern optimization technique applied to the minimization of the reliability index and the safety factor of embankment slope stability

    文中針對隨機風浪作用下侵蝕-損傷的堤壩邊坡穩定性提出一種安全可靠性評價方法,應用遺傳演算法尋找最危險滑動面對應的安全系數和最小可靠指標,並與傳統優化演算法進行比較,遺傳演算法尋優結果穩定不依賴于初值,明顯優于傳統優化演算法。
  16. 3. based on the assumption of general slip surface, a general formula of safety factor of slope is presented in which the forces exerted on the slices exactly satisfy the equilibrium condition. using the method the chapters introduced to search critical slip surface, and proved by examples, this method is more reliable, and can search, simulate the critical slip curve

    推導出了滑動面為任意現狀,邊坡體內作用有各種荷載且滿足力平衡條件下的邊坡穩定系數計算公式(在進行條分計算時,假定條間僅有水平方向作用力,豎向條間剪力為零) ,利用本文提出的遺傳進化搜索方法搜索邊坡最危險滑動面。
  17. The determination of potential downslide surface is one of the most important content, so a method is brought forward. based on the result of 3d nonlinear finite element analysis, a method to determinate the potential downslide surface and safety factor for analyzing sliding force has been put forward

    邊坡可能下滑面的確定一直是邊坡穩定分析的一個重要內容,本文提出了根據三維非線性有限元穩定分析結果確定邊坡可能滑裂面及指定安全系數的下滑力的分析方法,為邊坡加固提供參考。
  18. Minimum safety factor method for stability analysis of surrounding rockmass of tunnel

    隧道圍巖穩定分析的最小安全系數法
  19. In recent years, the safety factor method has been used for the design of cfrp wound pressure vessels, which cannot explain the stochasticity and quantify scientifically the uncertain significant factors, has the disadvantages of low ecomony and so on. under these circumstances, the study on reliability of cfrp wound pressure vessels during the winding technology process and inner pressure loading was accomplished in this paper

    本研究針對目前cfrp纏繞壓力容器採用安全系數法設計不能解決隨機性問題,對結構功能的重要影響因素沒有科學量化,經濟性低等弊端,進行了cfrp纏繞壓力容器在纏繞工藝過程中和內壓作用下的可靠性研究。
  20. The safety factor method is often adopted to evaluate the slope stability, but it does not take the randomicity and discreteness of geotechnical parameters into good consideration, which often results in the conservative result and unsafe declination. however, the method of reliability can remedy the defect effectively

    在邊坡穩定分析中一般以安全系數法作為邊坡穩定性的評價方法,但由於其沒有很好地考慮巖土參數的隨機性和離散性,經常出現設計值過于保守和存在不安全的傾向,而可靠度方法可以有效地彌補這一缺陷。
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