疲勞荷載 的英文怎麼說

中文拼音 [láozǎi]
疲勞荷載 英文
fatigue loading
  • : 形容詞(疲乏; 勞累) tired; weary; exhausted
  • : Ⅰ動詞1 (勞動) work; labour 2 (煩勞) put sb to the trouble of; trouble sb with sth : 勞您費心...
  • : 荷名詞(蓮) lotus
  • : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • 疲勞 : 1. (疲乏勞累) tired; fatigued; weary; become fagged 2. (機能或反應能力減弱) fatigue; strain 3. [物理學] fatigue
  1. The research is that : after the same cyclic number of loading times, the steel stress of reinforced beams was much smaller than that of common beam ; the deflection of reinforced beams was decreased by 40 % - 50 %, therefore, the anti - transformation of the reinforced beams is enhanced greatly

    研究發現:經過相同次數的疲勞荷載作用后,完好加固梁的鋼武漢理工大學碩士學位論文筋應變小於未加固梁,加固梁的變形減少了40 %一50 % ,加固梁的壽命提高t60 % ~ 80 % 。
  2. First, the theory of fretting wear and studies on fretting fatigue were introduced and the parametric method was used in the process of creating the model of dovetail joints in ug software. the elastic contact problem is analyzed in finite element method ( fem ) and is used to the parameters " distribution and contact stress of the joint are obtained on the base of ansys code. with the effect factor of load frequency, the prediction method of fretting fatigue life of dovetail joint under low and high / low cycle complex load is proposed

    本文介紹了微動損傷的機理和微動壽命的研究方法;利用ug軟體對燕尾榫聯接結構創建了參數化實體模型;基於ansys軟體平臺求解彈性接觸問題,獲得了榫聯接結構接觸應力及接觸狀態量的分佈;在已有微動壽命預測模型的基礎上,引入頻率影響因子,對低周、高低周復合作用下的燕尾榫聯接結構進行了微動壽命的預測,與試驗結果對比表明採用本文提出的方法預測榫聯接結構的微動壽命是有效的。
  3. Axial load fatigue testing for threaded fasteners

    螺紋緊固件軸向試驗方法
  4. Roller bearings, load ratings and fatigue life for

    滾柱軸承額定壽命
  5. Lastly, with the fatigue equation, the paper establishes the fatigue stress coefficient which is used in the load stress calculation for lean concrete as undersurface of cement concrete pavement, and the structure coefficient of flexural tensile strength which is used in the flexural stress check for lean concrete as base of asphalt pavement

    利用得出的方程,建立貧混凝土作為水泥混凝土路面下面層應力計算的應力系數,以及作為瀝青路面基層時,進行層底彎拉應力驗算的彎拉強度結構系數。
  6. Second, carried out the fatigue life test of the truck ' s front axles adopted grouping fatigue life test method, calculated the results on theory of probability stats, linear fitted the fatigue life data by means of the basquin equation and least squares method, acquired the mathematical model of s - n and p - s - n curve of the front axles

    其次,採用成組試驗法,對汽車前橋進行了壽命試驗,藉助概率統計方法對試驗結果進行了分析計算,得到了各試驗下的壽命的正態分佈的均值和標準差,採用basquin關系式和最小二乘法對壽命數據進行線性擬合,得到了前橋的s - n和p - s - n的關系。
  7. Study on the fatigue life of the tunnel bed structure under train loads

    列車作用下隧道鋪底結構壽命分析
  8. The stress distributions under load or unload as well as under fatigue tension with or without split - sleeve were studied, so as to reveal the advantage of coldworking with split - sleeve

    研究了帶襯套擠壓件在加、御拉伸狀態下的應力分佈,並和無襯套擠壓時的狀態進行比較,從機理上揭示了帶襯套擠壓在改善試件抗性能方面的優勢所在。
  9. 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性能進行了比較系統的試驗研究和理論分析。
  10. During the experiment, the fatigue - loading was paused after fixed fatigue cycle and the white - light speckle patterns were acquired without loading

    過程中,按一定的周次在零狀態下停機,並採集試件表面上預先制備的白光散斑圖。
  11. 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資料對抗力參數進行了統計分析,為建立動態可靠性分析模式奠定基礎。
  12. 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,不斷有橋梁發生破壞。
  13. So the application of partial shear connectors in the building and bridge structure to supporting the fatigue load is feasible, and will bring considerable economic benefits

    因此必要的情況下在建築結構和橋梁結構中採用部分剪力連接來承受疲勞荷載的作用是可行的,並可帶來良好的經濟效益。
  14. Based on real time ct testing, primary testing study of fatigue failure and deformation mechanism of red sandstone has been completed under uniaxial compression condition

    摘要基於對裂隙巖石的細觀ct試驗,對含有單一裂紋的貴溪紅砂巖在單軸疲勞荷載作用下的損傷擴展機理和演化過程進行了初步的試驗研究。
  15. The influence of stress ratio on maximum crack width of specimens is obvious, and the larger the stress ratio is, the longer the fatigue life is, it can influence the mechanical property of specimens directly

    應力比對試件梁的最大裂縫寬度影響顯著,應力比越大,壽命越長,直接影響試件梁在疲勞荷載作用下的性能。
  16. The result proves that composite beams with partial shear connectors have better performance to support fatigue load in that they can hardly be destroyed under general fatigue load if the welding quality is reliable

    試驗結果表明,重復作用下的部分剪力連接組合梁具有良好的抗性能;在焊接質量有保證的情況下,處于正常使用范圍內的疲勞荷載作用下的部分剪力連接組合梁幾乎不會發生破壞。
  17. 3. the crane load and fatigue strength are regarded as stochastic process, the fatigue dynamic reliability based on limit stress model and fatigue dynamic reliability based on accumulation damage model are established on the base of statistic analysis the fatigue load and resistance

    3 、在對疲勞荷載與抗力統計分析的基礎上,視吊車強度為隨機過程,建立了基於極限應力模式的動態可靠性分析模型及基於累積損傷模型的動態可靠性分析模型。
  18. On the foundation of analysis a quantity of experiments and theory home and abroad, the paper give a calculation formula for the cross - section anti - bending limit load capacity of reinforced concrete beam. at the same time, the paper discusses the establishment of fatigue load chart for the bridge structure and presents its calculation of stress chart

    2 、在分析國內外大量試驗研究和理論分析的基礎上,給出了碳纖維布加固鋼筋混凝土梁正截面抗彎極限承力的計算公式,詳細闡述了等幅疲勞荷載和變幅疲勞荷載下橋梁結構強度的計算方法。
  19. Specimens ’ cracking load under dead - load, fatigue failure characteristic, fatigue life, deflection of span - centre, fatigue flexural rigidity, maximal crack width, development of cracks and strain of concrete and steel bars have been investigated. the influence of fatigue cycle characteristic, ratio of reinforcement, kinds of aggregate and concrete compressive strength on the specimens ’ fatigue behavior has been also investigated

    對試件的靜下開裂破壞特徵、壽命、疲勞荷載作用下的跨中撓度、截面抗彎剛度、裂縫開展情況及最大裂縫寬度、鋼筋及混凝土在循環作用下應變等內容進行了研究,分析了循環特徵值、縱筋配筋率、骨料種類、混凝土抗壓強度等因素對試件性能的影響。
  20. There has very important practical value to study the statistic character of fatigue load on steel crane structures and of fatigue resistance on all kinds of structural joints and to analysis the fatigue reliability of structural detail, which can be used to fatigue safe control. the fatigue reliability theory and fatigue safe control applications on steel crane structures in service are studied based on the structural reliability theory in this paper. the major contents are mainly summarized as follows : 1

    研究鋼結構吊車梁承受的疲勞荷載與各種構造連接的抗力統計特性,分析構造細節的可靠性,進而對其進行安全控制,對于在役鋼結構吊車梁的鑒定與加固具有非常重要的實用價值與指導意義:本文以結構可靠度理論為基礎,對在役鋼結構吊車梁的可靠性、安全控制應用與維修加固決策進行了研究,研究的內容包括以下幾個方面。
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