fatigue load 中文意思是什麼

fatigue load 解釋
疲勞載荷
  • 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...
  • load : n 1 裝載，擔子；負擔；工作（負荷）量。2 （車船等的）裝載量；一馱，一車，一飛機。3 【電、機】（機...
  1. Based on the previous research on the portal crane administration, one standpoint put forward in this paper is idea that is on the foundation of reliability in this paper, two viewpoints take shape when reason is analyzed, that is fatigue break and appearing the flaw that will extend. what is the fatigue break ? ( this phenomenon is always happen in some place ), the fatigue is that board appears apophysis and concave when the board is pressed. so that the board ability of bearing the weight of load will descend

    本論文建立在已有的港口裝卸機械管理的研究基礎之上，進一步提出了以可靠性為基礎的港口裝卸機械的管理思想，已有的研究表明，港口機械設備破壞主要由於兩個原因，第一是穩定性問題，特別是構件的局部穩定性，所謂穩定性是指：在板的平面內，板受到平行於板面的壓力作用，使板發生隆起、內陷等凹凸不平的結果，從而使板受載能力減弱；第二是結構出現疲勞裂紋及其擴展，這是由於設備長時期運行，而造成設備某些部位出現裂紋並得以擴展，使設備承載能力下降。
  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疲勞壽命的研究方法；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；在已有微動疲勞壽命預測模型的基礎上，引入載荷頻率影響因子，對低周、高低周復合載荷作用下的燕尾榫聯接結構進行了微動疲勞壽命的預測，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疲勞壽命是有效的。
  3. In the research, a set of simulation equipment is developed to examine the drivers " static and dynamic fatigue. recur to the apparatus, contrast and control experiment are made among different ages, workload intension and workload factors group. the endings summarize as following : ( 1 ) driving sensation fatigue investigation ( investigation of psychological and physiologic index and contrast investigation of fatigue ) ; continuous driving load and discrete driving load investigation of fatigue

    ? ?門）駕駛疲勞平衡穩定性是通過在力檢測臺上描繪人體重心軌跡的方法，提出檢測駕駛員疲勞平衡穩定指數，在不同狀態下（傾斜度15 30 『以及閉目等狀態下）對不同負荷、不同年齡分別進行測試，建立駕駛疲勞客觀測試評價體系； n ）經實驗室研究與現場調查，通過對駕駛疲勞與駕駛時間、駕駛速度等關系的研究，提出了不同年齡、不同條件下的最大連續安全駕駛時間標準，日駕駛時間標準，最大安全行車速度標準等。
  4. Axial load fatigue testing for threaded fasteners

    螺紋緊固件軸向載荷疲勞試驗方法
  5. It attends the symptom such as insomnia, inappetence, fatigue, etc. in heavy load training period, and promotes the dispelling of athletic fatigue efficiently, accelerates the recover of physical strength

    主治運動員大負荷訓練期出現的失眠多夢、食欲不振、神疲乏力等癥，有效地促進運動性疲勞的消除，加快運動員體力的恢復。
  6. Roller bearings, load ratings and fatigue life for

    滾柱軸承額定載荷和疲勞壽命
  7. For example, the pushover curve analysis has no way to consider the hysteretic energy and the energy dissipation in other ways, and to consider the material fatigue and the scathe in the structures " to - and - fro motion. the work done in this thesis is mainly as follows for trying to make better of the capacity - demand curve in existence : 1. confirm the factors those caused the discrepancy between the different capacity curves : the shape of lateral load distribution, assumption of member bars model, irregularity of the structures, p - effects

    為此，本文有針對性地開展了一些工作：闡述了基於性態的設計方法和基於位移的設計方法的相關概念及發展歷程；介紹了幾種現有的能力-需求曲線法的原理及分析步驟並剖析了它們的不足；列舉了影響能力-需求曲線法計算準確性的主要因素，通過算例比較分析它們各自的影響程度從而得出了其中最為重要的影響因素；針對已有的分析結論提出了對現有能力-需求曲線法的改進方案，通過算例分析驗證了改進效果。
  8. 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

    利用得出的疲勞方程，建立貧混凝土作為水泥混凝土路面下面層荷載應力計算的疲勞應力系數，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。
  9. 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載、御載及疲勞拉伸載荷狀態下的應力分佈，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疲勞性能方面的優勢所在。
  10. The tested results showed that the collecting ring could be used for the dynamic stress test successfully and the experimental data would be used for determining load spectrum and analyzing fatigue life of spoke plate

    結果表明，動態測試過程穩定，所設計和製造的集流環完全滿足試驗要求，測試數據可以用於結構載荷譜的編制和疲勞壽命分析。
  11. Finally, the fatigue equation and axle load conversion are applied to forecast the steel bridge deck pavement ' s service life of nanjing second yangtze river bridge

    結合南京長江第二大橋鋼橋面鋪裝工程，應用所建立的疲勞性能方程以及軸載換算公式對鋼橋面鋪裝層使用壽命進行預測。
  12. In the paper, through the calibration test of ground load, the relationship between outputs of electrical resistance of strain gauges and the external load applied on the structure has been gotten, and then the load history can directly be deduced from the measured strain history. so the fatigue load can be compiled

    本文所建立的應變法實測疲勞載荷，其主要方法是通過進行地面加載標定實驗，確定所設計應變電橋輸出量與結構上作用的外載荷之間的關系，再由實測應變歷程直接得到載荷歷程的方法。
  13. 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。
  14. 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。
  15. 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，重復荷載作用下的部分剪力連接組合梁具有良好的抗疲勞性能；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疲勞破壞。
  16. 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，視吊車荷載與疲勞強度為隨機過程，建立了基於極限應力模式的疲勞動態可靠性分析模型及基於累積損傷模型的疲勞動態可靠性分析模型。
  17. 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載力的計算公式，詳細闡述了等幅疲勞荷載和變幅疲勞荷載下橋梁結構疲勞強度的計算方法。
  18. 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，分析構造細節的疲勞可靠性，進而對其進行疲勞安全控制，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疲勞可靠性、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。
  19. A time - variant reliability formulation is presented in this paper to account for the effects of fatigue, corrosion and maintenance actions on the first yield reliability of midship section modulus. a probabilistic model for long - term distribution of wave - induced fatigue stress range is established. for the purpose of obtaining the performance of structure that stands random fatigue load, the concept of stress parameter and equivalent stress range are introduced

    船舶在由波浪彎矩引起的交變應力作用下，船體構件焊接點處的微小裂紋逐漸擴展；同時，隨著船齡的增加，眾多結構構件遭受腐蝕的作用；從而使船體梁剖面模數減小，船體梁承載能力衰減，船舶結構的安全性將受到相當大的影響。
  20. Results showed that the centrally notched laminates have an extraordinarily good fatigue performance, that they could survive more than 106 cycles under tension - tension load with high stress level without obvious damage. also, an experimental study on the residual strength after fatigue load was carried out

    含孔復合材料層合板的疲勞行為試驗研究結果表明，該復合材料含孔層合板具有優越的拉-拉疲勞性能，在高應力水平以下能夠經歷106以上的載荷循環，且無明顯目測損傷。
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