limit state 中文意思是什麼

limit state 解釋
極限狀態
  • limit : n. 1. 界限,界線;邊界。2. 極限,限度;限制。3. 〈pl. 〉范圍,范域。4. 限價;限額;賭注限額;獵物限額。vt. 1. 限制,限定。2. 減少。adj. -able
  • state : n 1 〈常作 S 〉國,國家;〈通例作 S 〉(美國、澳洲的)州;〈the States〉 美國。2 國務,政權,政府...
  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. Limit state design of normal section bearing capacity of bending members with frp bars

    鋼筋混凝土偏心受壓構件正截面承載力的迭代計演算法
  3. Abstract : on the basis of reliability theory, cutting - of f - tail distributio n has been applied into limit state method in this paper

    文摘:根據可靠性理論,這里將截尾分佈應用於極限狀態法中。
  4. Two sets of equations for those parameters were built the normal solutions of those equations sets given, in their optimal state and limit state respectively

    參照運籌學中目標規劃的有關理論,利用估算參量建立了最優狀態方程組與極限狀態方程組,並給出了這兩個方程組的一般解法。
  5. Abstract : presents that the structural failure is fuzzy beside random, and introduces fuzzy maths into the monte carlo method in order to compute the structural failure probability. thus, all kinds of upmost limit state have been united. the examples show the suggested method is completely feasible

    文摘:提出結構的失效除了具有隨機性還應具有模糊性的觀點,闡明了用模糊示性函數的蒙特卡洛方法計算失效概率的基本原理,從而將各種極限狀態統一起來,並使計算所得的失效概率更接近於實際.示例表明,本文方法是完全可行的
  6. So, for pre - stressed concrete bridge structure member, it may be assume safely that the initial corrosion time be regarded as the limit state of corrosion damage of structure or members

    岡此,對下預應力混凝十橋梁結構構件而言,可以偏安全地近似將結構的初始腐蝕時間作為結構或構件的腐蝕破川川茁界狀態。
  7. Those include the load carrying capacity of the specimens in the limit state, the cracking load of the specimens, the crack width of the specimens and the deflection of the specimens

    論文從四個方面進行研究:輕骨料混凝土板的正截面承載力,抗裂度,正常使用極限狀態下的裂縫寬度和撓度計算。
  8. Through the comparative text of the four reinforced concrete frames braced with the eccentric steel, which have the same shapes, materials, dimension and the different brace form, several parameters of these frame behavior, such as side stiffness, limit load and energy consume ability, were studied. the limit state of these frames were analyzed

    本文通過對四榀具有同一外形尺寸及配筋而具有不同型式的偏心角鋼支撐的鋼筋砼框架和一榀相同尺寸及配筋的鋼筋砼框架的對比性試驗,研究了上述結構的抗側剛度、極限承載力及結構的耗能等各項指標,探討了偏心角鋼支撐鋼筋砼框架結構的受力特點,並對其極限狀態進行了理論上的分析。
  9. Based on the results, the eccentrically braced frame has the advantage of higher initial stiffness, load - bearing and energy consume ability. through the limit state analysis principle, the limit load was calculated by assuming the same destroy pattern of braced frame as that in the experiment. comparing the theory limit load with the measured, a good agreement was founded. it shows that the limit state analysis is really a practicable way analysed the reinforced concrete frame braced with eccentric steel

    應用極限分析中的極值原理對偏心角鋼支撐鋼筋砼框架進行極限分析時,首先擬定與試驗結果相一致的結構倒塌破壞模式,然後根據虛功原理建立了結構在極限狀態時極限承載力的計算公式,從所求的權限荷載的理論值與實測值的比較來看,理論計算值與試驗的實測值基本吻合,這說明利用本文擬定的結構破壞模式對偏心角鋼支撐框架結構進行極限分析是一條可行的途徑。
  10. Firstly part of quadratic term of taylor series is chosen ; a low - dimension surface is used to approximate limit state surface ; and the modified reliability formula is derived

    首次選取泰勒級數的部分二次項,用一個距原點最近點處擬合的超低維曲面近似極限狀態面。
  11. At last distribution functions of load modes in life service are presented. based on the resisting force model and load model, the limit state equations of rc bridge are formulated. according to the resisting force is time - dependent and vehicle load is the non - gaussian distribution, jc method is applied to calculate the time - dependent reliability index of rc bridge

    在抗力衰減模型及橋梁荷載模型的基礎上,將可靠度理論引入橋梁結構的評定中,推導出了橋梁結構耐久性極限狀態方程,並根據耐久性極限狀態方程中抗力是時間的函數,以及車輛荷載為非正態分佈的特點,應用當量正態法( jc法)編制相應的程序計算橋梁構件的時變可靠度指標。
  12. Under the assumption each pile enter the limit state at the same time and the reliability of each pile represent the reliability of the pile foundation. so it is enough to study the reliability of single pile and the result is suitable for the whole pile foundation

    由於在此假定下,各樁同時進入極限狀態,每根樁的可靠性都代表了整個樁基礎的可靠性,因此研究單樁的可靠性即可,其結果同樣適用於整個樁基礎。
  13. Reviewing and summarizing the existence theory for maintenance time decision, their shortcomings are analyzed, in which the economic factor is considered more than the safety factor. so in this paper from the point of security and risk cost the natural usage limit state reliability index is put forward as the maintenance time decision rule. the right bank section of danjiangkou dam of the south - north water transfer project ( snwtp ) as an example is analyzed to decision the maintenance time

    另外,回顧現有結構維護時間決策的準則問題,一般是偏向于從工程經濟角度考慮問題,而對結構使用的安全性考慮的較少,針對上述決策準則的不足之處,本文從工程力學的角度出發,綜合考慮了結構的安全性和風險,提出了以正常使用極限狀態的可靠指標作為維護時間的決策準則,並以南水北調工程丹江口水利樞紐的右聯混凝土壩為例進行了維護時間的決策分析。
  14. Secondly, through the examination and observation of the structural model of the cast - in - place pre - stressed compound floor slab system, under the normal usage load, the normal usage limit - state and the failing load, we have validated the space working - feature of the structural model under variable loads, including the rigidity, the crack, failing - state, failing load and the stress variation of the pre - stressed bar, and so on

    其次,通過對該體系的結構模型在正常使用荷載、正常使用極限狀態和破壞狀態下的試驗研究,驗證了現澆預應力復合樓蓋體系模型結構在各種荷載作用下的空間工作性能,包括剛度、裂縫、破壞形態、極限承載力及預應力筋的應力變化狀態等。
  15. Based the result of calculation and analysis in this paper, it is feasible that predicting of the service life of reinforced concrete component exposed to chloride environment with a probability based method. the result of analysis is consistent with the changing rules of service life in practice. probability based limit state method is used for service prediction. it is more reasonable than a deterministic model and satisfied with the required method of national structure designing uniform code

    理論研究和實例分析的結果表明,本文建立的基於概率的極限狀態分析方法的氯離子侵蝕環境下鋼筋混凝土構件耐壽命的預測方法是可行和有效的,計算結華僑大學申請碩十學位論文果反映出工程實際中構件耐久性壽命的變化規律;本文使用的基於概率的極限狀態分析方法比確定性計算方法更科學,與我國現行結構設計規范中所規定的設計思想保持一致。
  16. In this paper, based on resisting force model and load model, the limit state equations of rc bridge are established, thus the time - dependent relationship of rc bridge reliability is analyzed

    本文在抗力衰減模型及橋梁荷載模型的基礎上,通過建立耐久性極限狀態方程,分析計算橋梁可靠度隨時間的變化情況。
  17. The standard is proposed to verdict the limit state of fire - suffered reinforced concrete component in the thesis, that is, losing stability, integrity and thermal insulation, and limit state of load bearing capacity is mainly discussed

    本文提出鋼筋混凝土結構構件火災下極限狀態的判別標準:失去穩定性、失去完整性、失去絕熱性,並針對穩定性(承載力極限狀態)進行研究計算。
  18. 2. reliability of rock slope was done using responding surface method ( rsm ) and monte - carlo method ( mcm ) respectively. reliability index 0 calculated by rsm and mcm are different, which indicates the non - convexity of limit state curved surface in representation of stability of slope

    採用響應面法( rsm )和monte - carlo法( mcm )對邊坡進行了可靠度分析,兩者計算所得的可靠指標存在著一定的差異,這表明:代表邊坡穩定的極限狀態曲面存在著非凸性。
  19. The thesis, in the probability analysis and computation, considers the failure history of space frames and trusses, adopts the bound criterion and algorithms on the base of system ' s critical strength, and introduces the soft self - adaptation control bound into the identification of dominant failure modes ; at the same time, with the incremental load method and differential equalized recursive method, computes the limit - state function of failure mode and probability index precisely under no leaking the dominant failure modes

    文中在可靠性分析和計算部分,考慮空間剛桁架結構系統的失效演化歷程,採用基於系統臨界強度的約界準則和約界演算法,將柔性自適應控制邊界引入失效模式識別過程;同時,用荷載增量法和微分等價遞歸演算法相結合,確保在嚴格不遺漏主要失效模式的情況下,快速準確地求解失效模式的極限狀態方程和可靠度指標。
  20. Probability limit state design for underground structure

    地下結構的概率極限狀態設計
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