structural fatigue 中文意思是什麼

structural fatigue 解釋
結構疲勞
  • structural : adj. 構造上的,結構上的,組織上的。adv. -ly
  • fatigue : n 1 疲乏,勞累;勞苦;累活。2 【機械工程】(金屬屢經打擊等后的)疲勞。3 【醫學】(組織、器官等對...
  1. Through the experimental research, we think : the technological capacity of fiberglass asphalt macadam if weaker than asphalt macadam, however, if use elasticized capacity to solve blending technological problem. adjust the breed of fiber silk, extend its diameter, its paving capacity is still worth exploring, asphalt - rubber macadam structure lager have good deformed - become capacity and crazed - resistance capacity, small gap rate. good water - resistance capacity, good hot - stability and simple construction technology. therefore. pitch rubber spall is a good cover material which is suitable for the second class or lower whose asphalt pavement has split open because of fatigue. and is the good structural measure of preventing half - rigidity grass - roots unit shrink - rift reflecting. pave a thin layer of pitch rubber spall between asphalt - type pavement layer and half - rigidity basic level, although the cost of building is higher than paving togongbu in the middle, the construction technology, crazing - resistance and water - resistance are better than togongbu, not only could reduce greatly the reflex of half - rigidity grass - roots unit material, long then the use lifespan of pavement, but also it is possible to reduce suitably the thickness of asphalt mixture layer, though the cast of building in the early days becomes more, in the long - term opinion, it have fully important technological and economical significance

    通過試驗研究認為:玻璃纖維瀝青碎石的技術性能不如瀝青碎石好,但路用彈性性能較好,如能解決拌和工藝問題,調整纖維絲的品種,增大其直徑,其路用性能仍值得探討,瀝青橡膠碎石結構層具有變形性能和抗裂性能良好,空隙率小,防水性能好,熱穩定性較好,施工工藝簡單的特點,因此,瀝青橡膠碎石是二級及二級以下公路因疲勞而開裂的瀝青路面的良好罩面材料,也是防止半剛性基層收縮裂縫反射的良好結構措施,在瀝青類路面面層和半剛性基層之間夾鋪瀝青橡膠碎石薄層,雖然造價比夾鋪土工布高,但其施工工藝,抗裂性能和防水性能均優于土工布,不僅可以大大減少半剛性基層材料的反射裂縫,延長路面使用壽命,而且可能適當減薄瀝青混合料面層的厚度,雖然初期造價有所增加,從長遠來看,具有十分重要的技術和經濟意義。
  2. Secondly, the effort is made to develope new type of transition element for multi - scale fatigue damage simulaton of long - span structures for the transition between elements for the hot spot stress analysis and the structural element. the linear and piecewise linear interplotion function for displacement interplotion are used for the transition element formulation according to the displacement compatibility requirement between element interfaces

    在綜合已有的構造過渡單元模型關于位移插值形式的基礎上,通過採用分段線性位移插值模式和線性位移插值方式,並在位移模式中引入非協調位移模式,強迫構造單元通過分片試驗,構造了一種用於疏密網格單元連接過渡單元。
  3. The vibration of upper structure of bridge which caused by the dynamic action of vehicle pass the railway bridge may make the structural component fatigue and decrease the intensity and stability. the more vibration of bridge will influence the safety and stability of vehicles ; when the dynamic changing frequency of vehicle equal or approach to the free vibrational frequency of bridge, wh ich will make the resonance may intensify the response of bridge and vehicles

    列車動力作用引起橋樑上部結構的振動可能使結構構件產生疲勞,降低其強度和穩定性;橋梁振動過大可能會對橋上車輛的運行安全和穩定性產生影響;當列車的動力變化頻率與橋跨結構自振頻率相等或接近時,引起的共振可能會使車橋動力響應加劇。
  4. Reliability assessment of xi - luo - du underground water - power plant : the results have been used by the cheng - du surveying, design and research institute for the preliminary design ; ( 2 ) the stress and strain analysis for the xiao - guan - zi sluice and its foundation : the report has been applied for the reinforcement of the foundation ; ( 3 ) the thermal control procedure for the no. 7 - 14 power plant dam segments of the three gorge project : the research report provides the effective and efficient methods for the controlling of the temperature field in the mass concrete structure ; ( 4 ) the software system development for the long - term monitoring for dikes : the software can automatically give the results of the seepage field and the probability of soil piping of dikes and underground ; ( 5 ) reliability assessment of xiang - jia - ba underground water - power plant : the results have been used by the zhong - nan surveying, design and research institute for the preliminary design ; ( 6 ) fatigue reliability estimation of shipping berthing pillar : the results give the optimized design scheme and prediction of the structural age ; ( 7 ) 3 - d static and dynamic stochastic finite element analysis for the strength, stability and thermal control problem for xi - luo - du project

    溪洛渡水電站超大型地下洞室群圍巖穩定的安全可靠性分析:被成都勘測設計研究院應用於比選報告及可行性論證中; ( 2 )小關子水電站攔河閘壩及地基的應力應變分析:被成都勘測設計研究院應用於地基加固處理方案; ( 3 )三峽廠房7 # - 14 #壩段溫控並縫措施研究:為廠房壩段並縫方案的可行性提供了依據; ( 4 )堤防工程體系的長期監控預報預警決策系統開發:為監控、預測預報堤防滲漏管涌破壞提供分析軟體; ( 5 )向家壩地下洞室群圍巖穩定的安全可靠性分析:被中南勘測設計研究院應用於初步設計方案中; ( 6 )靠船墩的疲勞可靠度研究:為廣東航運規劃設計院的靠船墩優化設計和加固提供依據; ( 7 )溪洛渡高拱壩壩體壩基(壩肩)強度和穩定的三維靜動力隨機有限元分析及可靠度計算:為溪洛渡重大工程壩體的靜動力安全穩定性及溫控方案提供依據。
  5. On the basis of the study of traffic features of heavy - load vehicles, the vehicle weight data and the axle - load spectrum of different vehicles were collected for some typical heavy - duty roads in china, and according to the features of heavy - loading pavement, deficiency of the former load - figure are analyzed and new figures which are suitable for heavy - load pavements are put forward. meanwhile, based on the research of the cement concrete fatigue equation and the damage mechanism of asphalt pavement under heavy - load vehicles, axle load conversion equations fitting for heavy - load cement concrete pavement and asphalt pavement are established respectively by further analysis. in addition, design indices, traffic and material parameters and structural combination for heavy - load pavements are discussed in this paper as well

    本課題針對重載道路路面設計中所存在的問題,從重載交通特性出發,收集分析了國內幾條重載道路的交通及軸載組成情況,根據重載交通的特點,分析原有荷載圖式的不足,提出了適合於重載瀝青、重載水泥混凝土路面的荷載圖式;同時,在重載水泥混凝土路面疲勞方程及重載瀝青路面破壞機理研究的基礎上,通過對重載路面軸載換算公式的進一步研究,分別提出了適合於重載水泥及重載瀝青路面的軸載換算公式;此外,本文還對重載水泥、重載瀝青路面的設計指標、交通參數、材料參數及結構組合等方面進行探討,系統地提出了重載路面的設計方法,並使之有效地運用到工程實踐中。
  6. The monitoring and evaluation of structural fatigue damage has become a significant problem to be studied

    結構疲勞損傷狀態的監測、評估是結構健康監測的重要課題。
  7. The ultrasonic impacting has very good effect of adjusting residual stress, improving texture and raising fatigue strength of structural element, and it is particularly helpful to eliminate tensile stress in the shallow layer thereof

    摘要超聲波沖擊對于調整殘余應力、改善組織、提高疲勞強度都有很好的效果,特別對消除淺層拉應力有很大的幫助。
  8. Because of effect of welding remaining stress on static strength, fatigue strength and structural stabilization of metal structure, the stress due to load is a result of heap of remaining stress

    由於焊接殘余應力對金屬結構靜強度、疲勞強度和結構穩定性的影響,載荷引起的應力是在殘余應力之上的迭加。
  9. Fatigue cracking is a main form of structural damage of asphalt pavements ( chiefly including asphalt pavement with half rigid base course and ac overlay on portland cement concrete pavement )

    疲勞開裂是瀝青類路面(主要為半剛性基層瀝青路面與水泥混凝土路面瀝青混凝土加鋪層結構)的主要破壞形式。
  10. Statistic analysis on fatigue load effect and equivalent stress range of steel crane structures in service is carried out. the stress range distribution in whole life is deduced by the spot measurement little sample stress - time process. meanwhile the statistic analysis on the fatigue resistance process is conducted, according to fatigue data of all kinds of structural joints in domestic and overseas, which is foundation with, establish the fatigue reliability model

    2 、在大量調查的基礎上,對吊車梁所承受的疲勞荷載效應與等效等幅應力進行了統計分析,同時根據國內外有關各構造細節的疲勞資料對疲勞抗力參數進行了統計分析,為建立疲勞動態可靠性分析模式奠定基礎。
  11. Natural characteristic analysis not only verifies whether the natural frequencies and mode shapes of the antenna are reasonable or not, but also is the base of the structural response analysis, fatigue resistivity computing and the other dynamics problems. the structure design of antenna is a complicated systems engineering, which is generally limited to multiple objects that influence each other, so we need to keep the balance among those objects by decision - making technology of multiple objects to ensure every target optimized

    固有特性的分析不僅能檢驗天線結構的固有頻率和振型是否合理,而且也是結構響應分析、動強度計算等其他動力學問題研究的基礎;天線的結構設計是一個復雜的系統工程,它通常受到多個目標的限制,而各目標往往是相互影響的,甚至是相互矛盾的,因此需要藉助多目標決策技術,平衡各目標,以保證空間天線最優的滿足各項設計指標。
  12. The main contents of the dissertation are presented as follows : 1. more agreements will be obtained for prediction of structural fatigue life if the difference between the experimental loads and the in - service loads can be considered adequately

    全文主要研究內容與成果如下: ( 1 )充分考慮實驗室試驗載荷與實際服役載荷的差異,將能更準確地預測結構的壽命。
  13. The landing impact has been recognized as a significant factor in structural fatigue damage, dynamic stress on the aircraft airframe, and crew and passenger discomfort

    而這種沖擊載荷被認為是造成飛機及其起落架結構發生疲勞與振動破壞、引起乘員不舒適的重要因素。
  14. However, the fatigue of structure is such a complicated phenomenon affected by many uncertainties that it is necessary to analyze the structural fatigue from the point of probability and statistics. probabilistic fracture mechanics is a branch of fracture mechanics, so the various parameters affecting the fatigue propagationg a re considered as randomized

    作為斷裂力學的一個新的分支,概率斷裂力學從概率和統計的角度對結構進行疲勞可靠性分析,充分考慮了疲勞破壞過程中出現的不確定因素,將影響疲勞裂紋擴展速率的各參數看作是服從某一種概率分佈的隨機變量。
  15. A expert system on estimation of structural fatigue life

    結構疲勞壽命評估的專家系統
  16. This is a rational new method to evaluate the structural fatigue security

    這是結構在疲勞方面安全性評估的一種科學合理的新方法。
  17. It will be the last prototype build specifically for long term structural fatigue tests

    它是用來做靜力試驗的原型機,就像02號一樣。
  18. It is an effective and new method to evaluate the structural fatigue reliability by probabilistic fracture mechanics approach ( pfma )

    這是應用於結構疲勞安全性評估中的一種科學合理的新方法。
  19. The design of simulated sample is a very important work while carrying out reliability test of structural fatigue, yet the research and application of theory in this aspect are correspondingly deficient

    摘要模擬件設計是進行結構疲勞可靠性試驗時一個非常重要的工作,這方面的理論研究和應用相對欠缺。
  20. The fatigue life is determinate when determination methods are used to analyze fatigue. but the fatigue of structure is a much complicated phenomenon affected by many uncertainties. so it is necessary to analyze the structural fatigue from the point of view of probability and statistics

    但是,結構的疲勞又是一個受到大量不確定因素影響的極其復雜的現象,因此,根據結構可靠性理論,從概率和統計的角度對結構進行疲勞可靠性分析是十分必要的。
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