fatigue loading 中文意思是什麼

fatigue loading 解釋
交變荷載
  • 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...
  • loading : n. 1. 裝貨。2. 裝載量；重量；載荷；（船隻等的）貨載。 3. 填充物，填料。4. 額外人壽保險。
  1. It can be seen from the results that the control beam had good plastic property in the static failure experiment after two million fatigue loading circles. all specimens with corroded main bars were failure under the fatigue loads within one million fatigue circles. fatigue lifespan of reinforced concrete beam was sharply shortened after main bars corroded in it and the beam was destroyed bristly without any prediction

    試驗結果表明，振動測試不能夠對銹蝕鋼筋混凝土梁的疲勞破壞做出可靠的預測;對比梁在經過200萬次疲勞循環加載后的靜力試驗中仍表現出良好的延性破壞特徵;銹蝕梁在100萬次疲勞循環內均因主筋疲勞斷裂而破壞;主筋銹蝕使得梁的疲勞壽命急劇縮短;梁發生脆性破壞而沒有徵兆。
  2. A new type of bend moment and torsion co - loaded fatigue testing machine is designed and researched in the paper. a new configuration style and bend moment and torsion ’ s loading style are used in this machine. it can exactly and efficiently test the fatigue performance of shafts while the bend moment and torsion are co - loaded

    本文對一種新型的彎扭聯合作用疲勞試驗機進行了設計研究，該試驗機採用了全新的結構型式和彎扭矩的加載方案，能夠精確測試彎矩和扭矩同時加載情況下的軸類零件的疲勞性能，且測試效率較高。
  3. The fatigue alternating stress, which are highly variable in time, subject the crankshaft to very high and complex loading that induced to fatigue breakdown. the crankshaft design and manufacture must therefore precise calculations of the fatigue characteristics

    柴油機球鐵曲軸在工藝性和成本上佔有一定的優勢，通過滾壓強化工藝，疲勞強度有很大程度的提高，因而在國外得到廣泛應用。
  4. To aim at this problem, in term to the feature of fatigue loading of bridge, this paper, on the base of analysis of current bridge reinforcement, makes a relative system experiment research and theory analysis for the fatigue performance of cfrp - strengthened concrete beam

    本文針對這個問題，在分析現有橋梁結構加固方法的基礎上，根據橋梁承受疲勞荷載的特點，對碳纖維布加固混凝土梁的疲勞性能進行了比較系統的試驗研究和理論分析。
  5. Abstract : with the basic concept of damage mechanics and based on the fatigue damage equation of concrete materials, the multistage fatigue damage process of concrete materials is deeply and theoretically analyzed. accordingly the pathway of multistage fatigue damage with the characteristics of independence and continuance is provided, and the non - linearity multistage fatigue damage equation of concrete materials is inferred. the equation clearly reflects that the loading sequence has an effect on the fatigue accumulating life expectancy ; with the use of this equation the effect of overloading on the material life expectancy is analyzed

    文摘:利用損傷力學的基本概念，在砼材料疲勞損傷方程的基礎上，對砼材料的多級疲勞損傷過程進行了深入的理論分析，給出了具有獨立性和連續性的多級疲勞損傷路徑，推導出了砼材料的非線性多級疲勞損傷方程，方程明確的反映了加載次序對疲勞累積壽命的影響；利用此方程，筆者分析了超載對材料使用壽命的影響
  6. Furthermore, the supposition of galvanic couple is drawn into the procedure of corrosion fatigue crack growth of aluminum alloys, the relation of couple current vs loading time is determined with electrochemical methods. a formula in the theory is deduced which expresses the stress corrosion crack growth rate of lc4cs aluminum alloy, the results of mathematical modeling preferably correspond with examination

    再將「耦合作用」的猜想，引入鋁合金的腐蝕疲勞裂紋擴展過程中，用電化學的方法測定耦合電流與加載時間的關系，並從理論上導出lc4cs鋁合金應力腐蝕裂紋擴展速率的數學表達式，數學模擬的結果與實驗值具有較好的一致性。
  7. Based on the experimental data of rotor steel 1crmov in the loading of low - cycle fatigue at high temperature, the strength behavior and the fatigue life curve of this material at 550 have been achieved. meanwhile, with respect to three kinds of notched bar, their material damage assessment method under multiaxial stress condition is discussed

    本文在1crmov材料的高溫低周疲勞實驗數據進行了整理和統計的基礎上，得到了材料的疲勞強度特性曲線和疲勞壽命曲線，同時對三種不同缺口形式的圓柱形試件進行了多軸應力狀態下的材料損傷的研究，並通過數值計算方法進行了疲勞壽命評估。
  8. Residual strength of fibre - reinforced - plastics under fatigue loading

    疲勞加載下纖維復合材料的剩餘強度
  9. A new test method to achieve the dynamical rock failure with medium strain rate by low - cycle - index fatigue loading

    用低周疲勞加載實現中等應變速率下巖石動態破壞的新方法
  10. During the experiment, the fatigue - loading was paused after fixed fatigue cycle and the white - light speckle patterns were acquired without loading

    在疲勞加載過程中，按一定的疲勞周次在零載荷狀態下停機，並採集試件表面上預先制備的白光散斑圖。
  11. According to the fatigue loading bridge subjected to enlargement more and more, the fatigue breakages of bridge have occurred continuously

    鑒于橋梁在使用中受到的疲勞荷載作用越來越大，不斷有橋梁發生疲勞破壞。
  12. On the base of fatigue loading spectrum achievements, combining the characteristics of large - span grid structure with hanging cranes and the using - requirement on fatigue loading spectrum of grid structure with hanging cranes, this paper has firstly put forward the theoretic method for constructing fatigue loading spectrum of grid structure with hanging cranes, organized the relevant program - - gjfls. and elementally established the program loading spectrum

    在繼承疲勞載荷譜已有成果的基礎上，本文結合網架設置懸掛吊車的特點以及網架疲勞載荷譜的使用要求，首次提出了網架疲勞載荷譜編制的理論方法，並編制了相應的程序（ gjfls ） ，初步建立了網架程序載荷譜。
  13. A fractal description of crack propagation in high percentage fiber reinforced concrete under fatigue loading

    高密度鋼纖維混凝土疲勞裂紋擴展的分形描述
  14. The study on varied - amplitude fatigue behavior of large - span grid structure with hanging cranes is a blank field in the world. on the base of extensive investigation, from the viewpoint of loading, this paper widely discusses the development of fatigue loading spectrum in the fields of aviation, mechanism and civil engineering, listing the main technology standards of hanging crane and the engineering examples of partial grid structure with hanging crane in china, concluding the mechanic methods on tension - resistance fatigue design of bolt in china. america

    設置懸掛吊車網架的變幅疲勞性能研究屬于當前的一個前沿課題，本文從載荷的角度，通過廣泛的調查和深入的研究，全面地論述了疲勞載荷譜在機械、航空、土木領域的進展情況，列出了國內部分已建或在建的設置懸掛吊車網架結構的工程實例和懸掛吊車主要的技術規格，詳細歸納了中國、美國、德國、日本、前蘇聯的螺栓抗拉疲勞設計理論以及美國、德國鋼結構協會關于高強螺栓抗拉疲勞設計的若干規定。
  15. The random analysis of structure under fatigue loading, the statistic finite element method ( sfem ) for fatigue reliability, random fatigue damage accumulation theory and fatigue reliability of structure system were studied in this paper with regard to the metal structure of engineering machine

    本文以工程機械金屬結構為對象，探討了疲勞載荷下的隨機結構分析、隨機有限元計算構件疲勞可靠度的方法、隨機疲勞累積損傷理論、系統疲勞可靠性分析。主要工作有： 1
  16. Though this approach is reasonable and robust for that specific design, however, it is time consuming, costly and needs to be repeated for designs when structural component has different stacking sequences or subject to different fatigue loading

    層壓板的疲勞損傷包括纖維斷裂、基體破壞和分層等破壞形式，這些形式的破壞可能同時發生，相互影響，表現出十分復雜的疲勞損傷機理。
  17. The equations of virtual work are deduced to analyze stress - strain states under static and fatigue loading conditions

    其次，對單向層合板及層合板接頭進行了大量的試驗研究。
  18. Damage model for tension - compression fatigue loading of concrete and its verification

    壓疲勞損傷模型及其驗證
  19. Fatigue failure in the power plant boiler drum and pressure piping is the common failure, which caused by fatigue loading and others

    鍋爐承壓部件（汽包等）及壓力管道在交變載荷和其它因素作用下發生疲勞破壞是一種常見的失效方式。
  20. ( 2 ) the tests on the fatigue behavior of concrete under uniaxial tension with variable - amplitude fatigue loading were carried out. the damage variable is defined

    （ 2 ）進行了混凝土單軸軸拉變幅疲勞性能試驗。探討了變幅疲勞殘余應變的規律與特點。
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