損傷概率 的英文怎麼說

中文拼音 [sǔnshānggài]
損傷概率 英文
damage probability
  • : Ⅰ動詞1 (減少) decrease; lose 2 (損害) harm; damage 3 [方言] (用尖刻的話挖苦人) speak sarcas...
  • : Ⅰ名詞1 (人體或其他物體受到的損害) wound ; injury 2 (姓氏) a surname Ⅱ動詞1 (傷害) injure; h...
  • : Ⅰ名詞1 (大略) general outline 2 (神氣) manner of carrying and conducting oneself; deportment ...
  • : 率名詞(比值) rate; ratio; proportion
  • 損傷 : 1. (傷害) harm; damage; injure; lesion; scuff; hurt; damnify; impair 2. (損失) loss; cause loss to
  • 概率 : [數學] probability; chance概率論 probability theory; theory of chances; 概率曲線 probability curv...
  1. Present methods generally based on the statistics of earthquake damage, expert experiences, theory analysis and experimental researches have obvious advantages, disadvantages and certain scopes of application ; ( 2 ) different prediction methods should be adopted against different building conditions, sites, intensity and experiences etc to predict earthquake damage of buildings for prospective accuracy, dependability and availability ; ( 3 ) earthquake damage matrix, which is the foundation of earthquake damage prediction, of 7 kinds of building in the urban areas of zhangzhou city under intensity 6 to 9 has been set up. the damage conditions of different buildings under different intensity are as followings : all kinds of structures are basically intact under intensity 6 ; the reinforced concrete structures are basically intact under intensity 7, but other kinds of structures are destroyed slightly ; the reinforced concrete structures are still basically intact while other kinds of structures are destroyed intermediately under intensity 8 ; the reinforced concrete structures are destroyed slightly, single - story factories and open houses are destroyed intermediately and other kinds of structures are destroyed seriously under intensity 9 ; ( 4 ) the results of earthquake damage predicting of buildings embody the damage when earthquake happens in the future. thus, further identifications and reinforcements should be considered to buildings that will be destroyed intermediately or more under the earthquake with 10 % exceeding probability in future 50 years ; ( 5 ) the direct economic losses caused by damage of buildings resting with the area, structural type, intensity and damage of all kinds of buildings are the main part of the losses of the city in an earthquake ; ( 6 ) the direct economic losses increased progressively toward high intensity by 2 or 3 times

    基於上述研究,得出的主要結論有:建築物震害預測是一個模糊的、系統的、復雜的問題,現有的方法很多一般都是以震害統計規律、專家經驗、理論分析和試驗研究為依據,有其自身的優缺點和一定的適用范圍;應針對不同的建築物條件、場地條件、地震強度和已有經驗等,採用不同的預測方法進行建築物震害預測,以使預測結果達到預期的精確性、可靠性和可操作性;建立了漳州市區7類建築物在6度9度地震作用下的震害矩陣,成為指導抗震防災的重要依據,各類結構的震害情況表現為: 6度地震作用下各類建築物基本完好; 7度地震作用下除鋼筋混凝土結構基本完好外其餘以建築輕微破壞為主; 8度地震作用下鋼筋混凝土結構仍以基本完好為主而其餘建築以中等破壞為主; 9度地震作用下鋼筋混凝土結構以輕微破壞為主,單層工業廠房和空曠房屋以中等破壞為主,其餘建築以嚴重破壞為主;建築物的震害預測結果體現了未來地震來臨時的震害程度,在編制漳州市區抗震防災規劃時,對于遭遇50年超越10的地震影響發生中等以上破壞的建築物應考慮進行抗震鑒定和加固;由建築物的破壞所造成的直接經濟失是城市地震經濟失的主要部分,重慶大學碩士學位論文中文摘要其主要與建築物總面積、結構類型、地震烈度和各類建築物的震害程度有關;不同烈度造成的直接經濟失按2一3倍向高烈度方向遞增,漳州市區直接經濟失由6度至9度的比例關系為1 : 2 . 8 : 8 . 6 : 22 . 8 ;遭遇基本地震設防烈度( 7度)時,漳州市區直接經濟失約4 . 5億元,無家可歸人員約40000人,且以磚木結構和多層磚混結構的震害失最大;地震造成的人員亡主要與建築物倒塌及嚴重破壞的程度和總面積以及震時的建築物室內人數密切相關,地震時無家可歸人員主要與住宅倒塌、嚴重破壞及中等破壞的程度和總面積以及城市人均居住面積密切相關。
  2. Based on the dynamic crossing model, through the analysis of many random events that exist in the process of inspection and repair and its probability, a systematic dynamic relability analysis model of cracked structares is given in the paper

    摘要依據動態超限模型,通過較全面地分析檢修過程中影響結構可靠性的復雜隨機事件及其發生,系統地建立了計及維修影響時結構的動態可靠性分析模型。
  3. Structural damage localization using probabilistic neural network

    神經網路進行結構位置識別
  4. Again, a simple supported beam with stochastic mass density is used as an example. its statistics ( the mean value and the variance ) are calculated and compared with the theoretical values to verify the correctness of the used formulas. eventually this becomes the theoretical basis of the probability damage identification of the bridges

    3 .對于簡支梁橋,用該方法進行識別,無論何種情況,識別結果都比較理想:對于有單元,其單元損傷概率達到98 %以上;對于無單元,其單元損傷概率一般都小於10 % ,可以認定,這些單元發生的情況為小事件,即不發生
  5. The third part : according to the verified structural damage identification method and supposing the to - be identified parameters to be independent and have normal distribution, the scheme of identifying bridge structure damage is proposed by using the probability damage identification method. assume the zero - order, the first - order and the second - order perturbation statistics of the frequencies and the mode shapes of the bridge structures are known, and substitute them into the statistics property formulas of the frequencies and the mode shapes, as a result an objective function including the mean values and the variance of all the identified parameters is established. set

    對于連續梁橋,當位置位於跨中附近時,大多數無單元的損傷概率均在10 %左右,可作為小事件,不發生,但與單元相鄰的無單元,其損傷概率達到20 %以上,很難被排除,只有對這些單元進行二次識別,才能得到比較可靠的計算結果;如果位於支點附近時,則不會出現上述情況,對于無單元,損傷概率都小於10 % ,不發生識別結果
  6. ( 3 ) the equivalent stress, which is from the coefficients for the spectrum - loads and miner linear accumulated damage rule, an approach for material probabilistic fatigue strength for spectrum loads is suggested. this approach are established by the composed of p - c - s - n curves for extreme maximum model

    ( 3 )根據譜載荷系數和miner線性累積準則得到的譜載荷下的當量應力的關系,與極大值模型的p - c - s - n曲線相結合,提出了譜載荷下材料疲勞強度的表達式。
  7. Bits supplies the synchronous timing signal to these equipments inside the telecommunicationt building, such as dps, atm, no. 7, dxc, tm & adm in sdh, don and in etc. the related techniques are involved in the content of synchronization ne twork, timing distribution, the timing signal transportations x impairments etc. the second chapter tells the structure and the function of the building integrated timing system. the third chapter summarizes the digital synchronization network techniques, which emphasizes the basic concept of synchronization networks analyzes the necessity of building the synchronization network and introduces all kinds of synchronization methods. the fourth chapter represents the transportation of the synchronization signal

    本文第二章講述了通信樓綜合定時系統的構成及作用:第三章述了數字同步網技術,著重描述了同步網的基本念,分析了建立同步網的必要性,講述了各種同步方法;第四章闡述了同步定時信號的傳輸;第五章介紹了bits設備所支持的同步狀態消息;第六章、第七章為本文的重點,通過對時鐘信號建立數學模型,從理論上分析時鐘內部噪聲和相位瞬變產生時鐘定時信號的原理,企圖尋找到更好地控制頻漂移的方法。
  8. Probability fatigue is a subject that studies the fatigue damage of machine accessory and structure component by the method of probability and statistics and analyzes their fatigue intensity according to the uncertainty and distribution of their fatigue damage

    疲勞是用統計方法研究機械零件和結構構件的疲勞,根據其存在的不確定性因素及分佈進行疲勞強度分析的一門學科。
  9. Thirdly, the structure resistance theory probability model and the load action effect theory probability model are amended according to the main - beam ' s damage and load condition of the used beam - bridge. thus the structure resistance assessment probability model and the load action effect assessment probability model of the used beam - bridge are deduced in this way and they are practical

    再次,根據在用梁橋的情況和荷載狀況,對其結構抗力和荷載效應理論模型進行修正,得到實用的在用梁橋結構抗力和荷載效應評估模型。
  10. Based on the study of strength degradation of material in the fatigue process, a strength degradation model is proposed. a stochastic differential equation, which controls strength degradation, is obtained from the model randomized by markov process. by using the theory of stochastic, the distributions of residual strength at any given lifetime and lifetime of any given residual strength are attained. under a few suitable hypotheses, inverse gaussian distribution of fatigue life is derived, and verified by means of experimental data. the result shows that the model and the method are reasonable

    在研究疲勞過程中材料強度退化規律的基礎上,建立了一個強度退化模型.對其進行隨機化處理,得到控制強度退化過程的隨機微分方程.在一定假設條件下,獲得了剩餘強度密度函數的封閉解,並推導出疲勞壽命的反高斯分佈形式.給出一種考慮狀態對隨機漲落影響的近似處理方法.與試驗數據的比較結果表明,本文的模型和方法是合理的
  11. Arid an algorithm of parity residuals and the theory of residual vector probability - data fusion are used for detecting the abrupt change failure of srfcs, especially the failure of actuators ' failures and single control surface ' s failures

    該系統是按照軟體工程規范,採用等價空間法和殘差向量的信息融合法研製和開發的,不僅能對飛行控制系統的突變故障作動器卡死故障和控制舵面故障進行實時檢測和隔離,而且具有良好的用戶界面。
  12. Are uncertain and should be regarded as random variables, therefore the reinforced concrete frame is stochastic structure inherently, and then its motive equations converted to combined random differential equations for the uncertain parameters and external random excitation. these equations were solved by order - orthogonal expansion method with pseudo - excitation method, and then the statistic stochastic responses of random structure were obtained. at last, based on the stochastic cumulative damage model with double parameters developed by park, formulas were formulated for calculating structural earthquake damage probability using the structural reliability theory ( mainly jc algorithm ) in extensive random space

    首先對受地震激勵的剪切型鋼筋混凝土結構進行建模,用隨機等效線性化方法將二階非線性微分方程組化成一階線性微分方程組(或稱之為狀態方程) ;再考慮材料等參數的隨機性,則狀態方程成為復合隨機微分方程組,將擴階系統方法和虛擬激勵方法推廣並應用於這個復合隨機微分方程組,求出結構的隨機響應量的統計參數;最後採用隨機累積破壞準則,在廣義隨機空間內,用jc演算法求解失效,進而求出結構的抗震可靠度。
  13. As it is difficult to obtain the accurate analytical solutions for the stress constraints of general 3d cracks, we have conducted systemically detailed researches on the out - of - plane stress constraint by finite elements ( fe ) and proposed a two - parameter description of non - through thickness 3d crack fields. several problems in damage tolerant design were also investigated based on continuum mechanics and probability theory

    三維應力約束對精確預測結構破壞不可缺少,因此,本文採用三維有限元等方法基於連續介質力學、論等理論,對典型三維裂紋尤其是非穿透裂紋系統深入地開展了三維應力約束理論計算、三維裂紋端部應力場描述以及結構三維容限設計的研究。
  14. Probability analysis of rupture damage of concrete structure

    混凝土結構斷裂分析
  15. Structural damage detection based on adaptive probabilistic neural network

    自適應神經網路結構檢測
  16. Abstract : based on the test results of frost micro pore structure density distribution of high strength concrete at minus temperat ure ( hscmt ), the frost damage fiber bundle model of hscmt was buitl. the purpose is to study frost damage factor of hscmt in the future, to deduce lost efficiency p robability of hscmt and prevent hscmt from frost in cold weather

    文摘:根據負溫高強混凝土凍結顯微孔結構密度分佈結果,建立了凍結纖維束模型,為進一步研究負溫高強混凝土的凍結基因,推斷負溫高強混凝土的失效,及負溫高強混凝土受凍害的防止打下基礎。
  17. The fist step is to judge the damaged sub - area of the structure, which is divided into several sub - areas, using probability neural networks with neural frequencies shift ratio input, and the next step is to diagnose the exact damage location and extent using rbf neural network with the second element end strain mode of the damaged sub - area input

    即按照先查找結構區域,后進行位置與程度診斷的思想,首先將結構分為若干個子區域,根據結構前後的自振頻變化比,應用神經網路,進行結構子區域的判定。然後,根據子區域內的應變模態變化,應用徑向基神經網路診斷結構的位置與程度。
  18. In this paper, based on the previous research result, by using theory of electrochemical mechanism, probability math, reliability theory, basic theory of pre - stressed concrete structures, structure optimum design, theory of control, maintenance strategy decision theory of structures and etc., the research on steel corrosion monitoring method, structural corrosion damage model, reliability analysis, the maintenance and repair method that based on corrosion control, the optimum structural design method of new bridge structures that consider durability and the optimum maintenance strategy decision theory are carried out. 2. corrosion mechanism and monitoring technique it is widely accepted that the corrosion of steel in concrete structure is a electrochemical process, include the formation of anode & cathode area on metal surface and potential difference between different ' area

    本文在已有理論研究的基礎上,針對預應力混凝土橋梁建設及使用中存在的影響結構耐久性的實際問題,綜合運用電化學理論、理論、結構可靠性理論、混凝土和預應力混凝土結構基本理論、結構優化理論及控制維修決策等理論和方法,詳細研究了基於電化學理論的鋼筋銹蝕檢測方法、預應力混凝土橋梁結構的腐蝕模型、可靠性分析、基於腐蝕控制的維修方法、橋梁結構方案選型及優化設計以及在役橋梁結構的優化維修決策等問題第二章混凝土結構的腐蝕機理及檢測技術目前普遍認為,結構混凝土中鋼筋的腐蝕是一種電化學的過程,包括在金屬表面形成陽極(腐蝕)和陰極(鈍化)區域以及不同區域間的電位差等。
  19. ( 5 ) basing on the exploring of the functions of cohesion force and friction force during rheology course and the assumptin that viscosity lost according viscosic strain, a constitutive model for viscous, elastic and plastic rock is set up, which can simulate the third course of creep. then the impact of transcient damage to rheology is discussed and corresponding creep model for rock is proposed

    ( 5 )在探導巖石顆粒間粘聚力和顆粒間摩擦力在巖石發生流變過程中的作用基礎上假設粘性失效按流變應變統計分佈,建立了巖石粘彈塑性本構關系,能夠描述巖石蠕變加速階段特徵;討論了瞬時對巖石流變的影響和相應的蠕變模型建模問題。
  20. Abstract : based on the study of strength degradation of material in the fatigue process, a strength degradation model is proposed. a stochastic differential equation, which controls strength degradation, is obtained from the model randomized by markov process. by using the theory of stochastic, the distributions of residual strength at any given lifetime and lifetime of any given residual strength are attained. under a few suitable hypotheses, inverse gaussian distribution of fatigue life is derived, and verified by means of experimental data. the result shows that the model and the method are reasonable

    文摘:在研究疲勞過程中材料強度退化規律的基礎上,建立了一個強度退化模型.對其進行隨機化處理,得到控制強度退化過程的隨機微分方程.在一定假設條件下,獲得了剩餘強度密度函數的封閉解,並推導出疲勞壽命的反高斯分佈形式.給出一種考慮狀態對隨機漲落影響的近似處理方法.與試驗數據的比較結果表明,本文的模型和方法是合理的
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