structural failure 中文意思是什麼

structural failure 解釋
結構破壞
  • structural : adj. 構造上的，結構上的，組織上的。adv. -ly
  • failure : n 1 失敗 （opp success）; 不及格。2 不足，缺乏；衰退；【醫學】衰竭。3 不履行，玩忽。4 破產，倒閉...
  1. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型，對中國古代木結構中的典型構造如：柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究： （一）通過木柱石礎靜摩擦試驗，測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律； （二）通過單柱承載力試驗，測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等參量； （三）通過柱架低周反復荷載試驗，測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數； （四）通過斗?低周反復荷載試驗和受壓試驗，測定了古建築木構件與木構件間摩擦系數，斗?抗側移剛度，斗?恢復力特性及滯回曲線，斗?抗壓極限承載力及受力變形規律； （五）通過抬梁式殿堂間架模型振動臺試驗，測定了殿堂木構架結構自振周期，地震反應振形、阻尼特性及阻尼比；按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量，對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。
  2. Most existing constitutive models do not take into account the interactions between different phases of pearlitic steel and cannot illustrate why such kind of materials has excerllent mechanical properties. it is, therefore, necessary to develop a new method, which can describe the macroscopic behavior, damage and failure of the materials and their micro structural dependence. in this paper, based on a non - classical theory of plasticity and the continuum damage mechanics, a damage evolution based on an ellipsoidal void model for mixed hardening materials is obtained

    已有的關于珠光體鋼的本構模型多難以考慮珠光體材料的微結構及其相互作用，難以解釋珠光體材料何以具有較好的綜合力學性能，因此有必要發展一種多層次的細觀力學分析方法以研究此材料在復雜加載條件下計及微結構特徵的宏觀響應特性，使材料的強度、疲勞壽命的預測與其微結構及各組成相的損傷及微觀應力應變演化規律聯系起來，進而為材料微結構的設計提供依據。
  3. Pseudo - static force testing of 1 : 2 scale models of a steel frame with dog - bone connections is first carried out in china in order to obtain elastic - plastic behavior of dog - bone connections steel frames under cyclic loading as well as to analyze collapse characteristic after structural ultimate strength has lost. the influence of dog - bone connection on the coming order of plastic hinges and failure characteristic of steel frame, and the influence of dog - bone ' s shape and position on the behavior of structure is obtained

    通過試驗考察了狗骨式連接平面鋼框架結構在循環荷載作用下的彈塑性性能;了解狗骨式連接對結構塑性鉸出現的順序以及結構破壞形態的影響;了解節點處與狗骨處應力發展狀況，探討狗骨削弱的形狀和削弱位置對節點性能的影響。
  4. In this paper, the author combines the theory analysis with the experiment research method, and discusses the seismic behaviours, 3d elaborate finite element analysis and simplified model analysis of a kind of multi - function tall building - " sub - shearwall supported by frame ", which is applied widely today. the main contents are as follows : in order to observe the failure process and the earthquake response of the complex structure, and to analysis the seismic behaviour of the structural system and structural members, a 1 / 20 cement mortor model of a complex tall - building which is about to be built was producted and the shaking table test of this model under 26 sorts of earthquake loads was made. using sap2000 finite element analysis program, a 3d analysis model was built in computer, and the elastic time - history analysis of the model was done

    本文採用理論分析和試驗研究相結合的方法，研究了目前應用較多的綜合性大廈? ?框支分區剪力墻高層商住樓的抗震性能及空間精細分析和簡化分析方法，主要內容為以下幾方面：對一擬建的復雜高層建築結構，採用1 20比例的空間整體模型，進行了26種工況下的模擬地震振動臺試驗，觀察了結構的破壞過程和地震反應，分析了結構及構件的抗震性能；建立了結構的精細空間模型，利用sap2000n大型有限元分析程序對結構進行了彈性時程分析；通過有限元分析與試驗結果的對比，對結構的抗震性能和抗震能力做出綜合評價，認為該結構由於轉換層上部去掉部分樓板，既可滿足建築設計的通風、採光等要求，又可達到協調結構轉換層上、下樓層抗側剛度的效果，是一種較理想的有多道抗震防線的結構型式。
  5. The structural failure of the foundation may occur if the foundation itself is not properly designed to sustain the imposed stresses

    如果基礎本身未能正確設計以承受荷載所產生的應力，基礎就可能產生結構破壞。
  6. The research progressing as follows : ( l ) basic developmental character and engineering control effect of continuous macrostructure plane ( i and ii level ) of dam abutment has been systemically studied. and this kind of structural plane took important effect to appraise rock mass distortion and failure and stability

    論文研究進展主要有以下幾方面： （ 1 ）系統研究了壩肩宏觀貫通性結構面（分類中的及級）發育的基本特徵以及它們的工程式控制制效應，闡明了該類貫通性結構面對壩肩巖體變形破壞及巖體穩定性評價起主導作用。
  7. For structural member, the following assumption may be taken : failure perfect correlation assumption of structural member : when structural member failure, the function restriction that correspondence to the most serious failure mode will failure first ; or when structural member failure, the serious failure mode will be true first

    對于結構構件，可以近似採用失效模式全相關假設：構件失效模式全相夫假設：構件夫效時，構件最嚴重失效模式所對應的功能函數或約束首冗破壞；或構件火效時，最嚴重大效模式首先為真。
  8. 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
  9. In order to study the influence of evolvement of permeation character induced by mesoscopic structural characteristics on macroscopic mechanical behavior and fracture mechanism, a nonlinear constitutive equations describing the relationship between damage of rock and seepage is proposed based on mesoscopic damage mechanics and biot seepage mechanics theory and coupling system of flow & solid in rock failure process analysis, f - rfpa2d, is developed to simulate the variation of permeability as well as coupling mechanism between seepage and stress during the initiation, propagation and coalescence of cracks in rock. this study also extends the research field of original rfpa2d

    為了分析細觀結構特性變化引起滲透性演化對宏觀力學行為的影響，並進行滲流應力耦合作用下巖石破裂機制的研究，本文基於細觀損傷力學和biot經典滲流力學，建立了巖體損傷非線性本構方程和滲透率關系模型，開發出巖石破裂過程滲流-應力耦合分析系統（ couplingsystemofflow & solidinrockfailureprocessanalysis簡稱f - rfpa2d ） ，拓寬了原有程序rfpa2d的研究領域。
  10. Based on the problem that cable - stayed bridge has many failure paths, modified / unzipping method was suggested to seek and identify major failure patterns to structural system reliability

    摘要針對斜拉橋失效路徑繁多的問題，採用改進的約界法限制分枝規模，尋找並識別對結構體系可靠度起主導作用的主要失效模式。
  11. It is proved that the stability of rock mass high slope is mostly affected by lots of discontinuous structural faces like joints and faults, etc. it makes the rock mass be different from intact rocks completely in mechanical properties. so it is necessary for us to do some research on the deformation failure mechanism, and accordingly, we should do some research on the evolvement course and evaluation methods of stability about rock mass high slope

    工程實踐證明，節理巖體高邊坡的穩定性取決于邊坡中的不連續結構面，如節理、裂隙、軟弱面和不同巖層的分界面，這類結構面的存在使巖體變形破壞的特性與完整巖石截然不同，因此，有必要加強對節理巖體高邊坡變形破壞機制的研究及相應的節理巖體高邊坡穩定性評價方法的研究。
  12. In light of the simulative research results, three methods are applied to analyze some controversial problems in this kind of structural system ( such as the concrete pouring sequence of continuous ends, the applying sequence of pretensioned force, the removal of the temporary supports, the concrete pouring style of continuous ends, the optimization of constructional reinforcement and prestressed reinforcement ). some important conclusions are drawn : the concrete pouring sequence of continuous ends should be in accordance with the principle of " interval end " ; the removal of temporary supports is also on this principle ( opposite to traditional opinions ). at the same time, other problems such as the shrinkage and creep effects of concrete, the c racking and failure pattern, the optimization of reinforced bars and prestressed bars are also analyzed in detail

    在此基礎上，對于目前先簡支后連續結構體系中存在的一些有爭議的問題（如后連續端部澆築和后連續預應力張拉的順序、體系轉換中的臨時支座拆除順序、后連續端部澆築方式、后連續端部的預應力筋及普通鋼筋的優化等） ，我們分別運用三種方法進行了細致的模擬分析、研究，並得出了一些具有重要工程意義的結論：后連續端部的澆築順序和后連續預應力張拉的「隔跨」原則，臨時支座拆除的「隔跨」原則（此前人們一直認為「對稱澆注和對稱張拉」是最為合理的施工工序） ，混凝土的收縮、徐變對先簡支后連續結構體系的影響一般較小等。
  13. For a five bars truss structure, the introduction of the basic method of structural failure probability analysis is explained. based on o. ditlevsen ' s narrow bounds " algorithm and the numerical integration method in " m " space, a computer program to calculate failure probability of the five poles truss structure is given

    針對五桿桁架結構的失效概率問題，系統地介紹了結構系統可靠性分析的基本方法；結合二階窄邊界法和「 m 」空間數值積分法編制了用於計算五桿桁架結構失效概率的計算程序。
  14. Finite element analysis ( fea ) is used to optimise production of gear cases and other structural components, while failure mode and effect analysis ( fmea ) is carried out as part of the design review procedure ensuring a critical appraisal of key design elements and fulfilment of the operating requirements

    Fea （有限元分析）用來優化變速箱及其它結構件的生產， fmea （故障模式與效果分析）作為設計審查程序的一部分，確保對重要設計部件進行嚴格的鑒定，以達到運作的要求。
  15. Based on the pseudo - static experimental results of nine specimens 1 / 5 - scale specimens and failure characteristic in the structural test, the damage mechanism and the failure of abnormal joints under the shear force is analyzed. the paper discusses the possible affections of stirrup ratio, the changes of beam or column sections and initial eccentricity on carrying capacity of abnormal joints. according to experimental data, the formula for calculation of the shear - bearing capacity of abnormal joints is given

    針對該類框排架結構中通常存在異型節點的實際，在9 （其中邊節點4個、中節點5個）個1 5的偽靜力試件試驗研究及整體結構模型中該類節點破損特點的基礎上，提出了異型中節點和邊節點的破壞機理，針對異型中節點和邊節點的受力特點給出了該類異型節點的抗剪承載力計算公式和節點區的加強構造措施。
  16. Significance of some measures to improve the application of computer simulation technology in structural seismic analysis, including establishing or upgrading the hysteresis model and multiparameter failure criteria of structural members, studying the damping mechanism of structures during decomposing, discussing the application of database technology in simulation system, developing analysis models for innovating structures and algorithms for analysis of earthquake responses of structures with initial damage, and introducing parallel technology is pointed out

    指出建立或完善構件層次的滯回本構模型和多參數破壞準則，研究結構解體前後的阻尼機制，探討數據庫技術在模擬系統中的應用，發展新型結構體系的分析模型以及具有初始損傷結構的地震反應分析方法，引入并行計算技術等對推動計算機模擬技術在結構抗震分析中的應用具有重要的意義。
  17. In the case of seldomly occurred earthquake, the artificial vertical seams play their roles, changes the failure forms of coupling wall - column and lower structural stiffness and earthquake action

    在大震作用下，人工豎縫發揮作用，改變了墻肢的破壞形態、降低了結構的剛度和地震作用。
  18. In ultimate - state seismic design, energy spectra have been used for the reliable indices of seismic motions that determine their influences on structural failure and non - linear response. also, energy of ground motion can be viewed an index to incorporate the duration effect on structures, because longer duration usually induces a large energy demand. the duration of ground motion is so sufficiently taken into account

    目前常用的反應譜，無論是彈性或非彈性的，一個最大的缺憾是它們都沒有充分考慮輸入地震動持時的影響，但在能量譜中由於要反映隨著持時增長引起的能量變化，因而持時影響得到了充分的考慮，這是能量譜的一個十分重要的特點。
  19. The finite element method ( fem ) has become an important means in modern engineering designs, which is used in many fields, such as structural stress analysis, deformational stiffness analysis, mechanic failure analysis, dynamic process analysis, heat analysis, electromagnetism filed analysis and so on

    有限元素法已成為工程設計中不可或缺的重要技術手段，在大型結構作用力分析、變形分析、失效分析、動力學分析、傳熱分析、電磁場分析、流體流動分析等方面扮演著越來越重要的角色。
  20. It is found that the rational located destressing boreholes can induce structural failure of the surrounding rock - mass, consequently the high stress move deeply in the rock - mass, and the stress environment in the surrounding rock is ameliorated, the spatio - temporal order of the destruction of the surrounding rock - mass is changed when the destressing boreholes and bolting net with wire mesh composite support are accomplished, therefore the compound supporting technology has prominent advantage for control the deformation and destruction of the surrounding rock

    模擬發現：合理布置的卸壓孔可以導致巷幫圍巖的結構性預裂破壞，從而使圍巖高應力向深部轉移；在卸壓孔和錨網聯合支護后改善了圍巖附近的應力環境，改變了圍巖破壞的時空次序，對控制圍巖變形和破壞具有突出的優越性。
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