疲勞加載 的英文怎麼說

中文拼音 [láojiāzǎi]
疲勞加載 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...
  • : 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. 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破壞做出可靠的預測;對比梁在經過200萬次循環后的靜力試驗中仍表現出良好的延性破壞特徵;銹蝕梁在100萬次循環內均因主筋斷裂而破壞;主筋銹蝕使得梁的壽命急劇縮短;梁發生脆性破壞而沒有徵兆。
  2. 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:經過相同次數的作用后,完好固梁的鋼武漢理工大學碩士學位論文筋應變小於未固梁,固梁的變形減少了40 %一50 % ,固梁的壽命提高t60 % ~ 80 % 。
  3. 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方案,能夠精確測試彎矩和扭矩同時情況下的軸類零件的性能,且測試效率較高。
  4. 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、御拉伸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性能方面的優勢所在。
  5. 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條件下計及微結構特徵的宏觀響應特性,使材料的強度、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。
  6. With the development of space exploration projects, the atrophy and decreased function in antigravity skeletal muscles are one of major problems that need to be solved for the prolonged space flight. to understand the features of decreased contractile function and increased fatigability in unloaded hindlimb skeletal muscles will help to develop effective countermeasures during space flight, and contribute to the prevention and treatment of skeletal muscle atrophy in long - term bed - rest patients

    隨著人航天活動的發展,航天飛行時間越來越長,抗重力肌廢用性萎縮引起的強直收縮性增,使航天員運動易的感覺更明顯,限制了飛行時間和工作效率,在應急逃生時肌肉發生損傷的可能性增大,且影響返回地面重力環境后的再適應能力。
  7. The pzt ferroelectric films " fatigue characteristics were studied, and here the electrical load was produced by rt6000s ; it was known that with the voltage increasing or frequency reducing, the degree of ferroelectric fatigue decay would increase

    然後用rt6000s測試儀荷,總結得出pzt薄膜的鐵電規律,即電壓增頻率降低時,鐵電極化衰減程度變大。
  8. 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固方法的基礎上,根據橋梁承受的特點,對碳纖維布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。
  9. 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,在砼材料損傷方程的基礎上,對砼材料的多級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損傷路徑,推導出了砼材料的非線性多級損傷方程,方程明確的反映了次序對累積壽命的影響;利用此方程,筆者分析了超對材料使用壽命的影響
  10. 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,引入鋁合金的腐蝕裂紋擴展過程中,用電化學的方法測定耦合電流與時間的關系,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。
  11. And it investigates the appearance condition ( including joint, crack, eroding, corrosion, braking pole device rupture, crane - girder ' s gnawing railway and so on ) of the whole crane - girder system on the spot, at the same time, it also actually examines the stress of the beam, chemical ingredient, distortion and railway excursion, etc. through sampling, and based on the actually examined results, it checks and calculates the carrying capacity of crane - girder system. then, based on the investigating on the spot and the calculated result, it discusses the mechanism of fatigue failure of the upper part of welded steel crane - girder, analyses the reason of steel crane - girder in the high - frequency emerging the fatigue crack, institutes the strengthened method of damaged steel crane - girder of accurate packing up workshop of the primary mill plant. finally, it presents some advice and suggestions for the repairing and strengthening method of fatigue crack of upper part of steel crane - girder in the high - frequency

    針對包鋼初軋廠精整車間鋼吊車樑上部區域出現裂縫這一問題,本文首先綜述了國內外關于焊接鋼吊車樑上部區域裂縫的研究現狀;其次對整個吊車梁系統的外觀情況(包括連接、裂縫、腐蝕、銹蝕、制動桿件斷裂、吊車啃軌等)進行了現場調查,抽樣實測了梁的應力、化學成分、變形及軌道偏移等,根據實測結果,對吊車梁系統的承能力進行了驗算;然後,根據現場調查及計算結果,探討了焊接鋼吊車樑上部區域破壞的機理,分析了重級工作制鋼吊車梁出現裂縫的原因,制定了初軋廠精整車間破損鋼吊車梁的固方案;最後就重級工作制鋼吊車樑上部區域出現裂縫的修復與固方案提出了一些意見和建議。
  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荷,其主要方法是通過進行地面標定實驗,確定所設計應變電橋輸出量與結構上作用的外荷之間的關系,再由實測應變歷程直接得到荷歷程的方法。
  13. 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
  14. 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
  15. The results showed that the characteristics of cyclic hardening or softening depend to the strain loading paths and the loading parameters

    研究結果表明,低周拉扭疲勞加載下,拉與扭應響應的硬化與軟化特性取決于應變路徑和參數。
  16. During the experiment, the fatigue - loading was paused after fixed fatigue cycle and the white - light speckle patterns were acquired without loading

    疲勞加載過程中,按一定的周次在零荷狀態下停機,並採集試件表面上預先制備的白光散斑圖。
  17. Comparisons made between experimental data and a theoretical fatigue model show good agreement, which can be used to predict the fatigue residual modulus of composites

    通過對彎曲疲勞加載后的剩餘模量進行理論分析,驗證了理論分析和實驗數據之問的一致性,為實際預測復合材料剩餘模量提供了依據。
  18. An experimental program which includes lots of unidirectional laminae is conducted using t300 / bmp - 316 material for researching the static and fatigue behaviour of the unidirectional ply. the experimental research for mechanical behaviour of a unidirectional lamina is to set up expressions of the normalized fatigue life, the residual strength degradation and the residual stiffness degradation of a unidirectional ply in the longitudinal, transverse and in - plane - shear directions, which also verifies the fact of nonlinear shear stress - strain behavior of a unidirectional ply in the 1 - 2 planes

    其中:分別對材料t300 / bmp - 316單向層合板縱向、橫向及面內剪切靜力學性能及特性進行了試驗研究,並採用最小二乘法擬合得到各主方向正則化壽命表達式,以及單層板各主方向疲勞加載剩餘剛度退化表達式及剩餘強度退化表達式;試驗同時驗證了單向層合板1 - 2面上明顯的剪切應力應變非線性關系。
  19. 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,詳細闡述了等幅和變幅下橋梁結構強度的計算方法。
  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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