疲勞開裂 的英文怎麼說

中文拼音 [píláokāiliè]
疲勞開裂 英文
endurance crack
  • 疲 : 形容詞（疲乏; 勞累） tired; weary; exhausted
  • 勞 : 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...
  • 裂 : 裂動詞[方言] （東西的兩部分向兩旁分開） open
  • 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. 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. The fatigue fracture occurred in the root of the screw where defects such as decarburization and cracks existed, and these defects made the zone to be a stress concentration area and caused the bolts to break finally

    疲勞裂紋的形成是由於螺紋牙底存在脫碳和折疊裂紋等缺陷，這些缺陷的存在使該材料產生了較大的應力集中，從而導致螺栓開裂失效。
  3. Furthermore, the fatigue parameters of polyester fiber rein - forced asphalt concrete are decreased, which imply that the fatigue cracking resistance of asphalt concrete is improved

    同時，聚酯纖維瀝青混凝土的損耗模量降低，其抵抗疲勞開裂的能力增強。
  4. Cracking failure of centrifugal compressor ' s impellers was analyzed, the welding craters in the impellers led to stress concentration. the unsteady gas flow accelerated the development of cracks in the impeller

    摘要針對某石化公司離心壓縮機葉輪多次發生開裂、掉塊等故障以及裂紋形成機理進行了分析。分析結果表明了葉輪開裂原因系疲勞開裂，葉輪焊接缺陷產生了焊接弧坑，造成表面應力集中，氣流激振加速了裂紋擴展。
  5. In order for using mdyb - 3 pmma safely and economically, it is of engineering significance to study the response of the kind of damage - contained canopy materials and structures withstanding service loading quantitatively, and to develop corresponding analytical techniques

    為了安全和經濟地使用mdyb - 3航空有機玻璃，有必要對此材料的疲勞和斷裂特性進行系統的研究。為此，本文開展了mdyb - 3有機玻璃的斷裂參數、疲勞裂紋特性的試驗研究和裂紋擴展機理分析。
  6. Through the research and analysis on the three aspects concerning the base interface of the pavement panel, crack accumulation, expansion in the pavement panel and interaction between spring plates on the road surface as well as its damage on the road fatigue, it is first brought forth that the process of fissures and breakage in the cement concrete pavement can be divided into three stages, i. e. stage of initial crack formation and damage in the bottom of the pavement slab, stage of accumulation, intensifying & expansion in ruptures from load during the time of use and stage of fissures & breakage in the pavement

    通過對路面板底界面開裂、路面板中裂縫積聚、擴展和路面表面車板相互作用及其對路面疲勞破壞的影響等三個層面的研究和分析，首次提出水泥混凝土路面的開裂和破壞過程可以分為三個階段，即路面板底初始損傷西南交通大學博士研究生學位論文第11頁和早期裂縫的形成階段、使用期間荷載作用對路面造成的開裂損傷累計、加劇和裂縫擴展階段以及路面斷裂破壞階段。
  7. An analysis of the cause of absorber seat fracture of an automobile

    汽車減震器支座疲勞開裂原因分析
  8. But, for the reflective cracking of asphalt pavement with half rigid base course and the cracking of the ac overlay above joints ( cracks ) in existing pcc pavement, the results of research show that the fatigue life of ac layer is mainly the life of the crack propagating stage. so the theory and method of fatigue destructive mechanics ( fatigue fracture mechanics and fatigue damage mechanics ) should be used to study and design the pavement structures instead of traditional fatigue mechanics

    而對於半剛性基層反射裂縫和舊水泥混凝土路面瀝青混凝土加鋪層接縫（裂縫）開裂，研究發現，瀝青結構層的疲勞壽命主要為裂縫擴展階段的壽命，此時不應採用傳統的疲勞力學進行研究和結構層設計，而應採用疲勞破壞力學（疲勞斷裂力學和疲勞損傷力學）理論與方法。
  9. Under the mutual action of fatigue and creep, the destroy form of the composite board is mainly the syntheses of the fiber fracture, interface destroy and interbedded crack

    在疲勞蠕變交互作用下層合板的破壞形式主要為纖維撕裂、界面剪切破壞和層間開裂3種形式的綜合表現。
  10. Several types of damage had been identified, including the matrix microcrack, fiber fracture, debonding and sliding between fiber - bundles, and fiber oxygen involved in the interaction fatigue - creep of 30 - c / sic composites

    3d - c sic1300疲勞蠕變交互作用的損傷形式包括基體開裂、纖維和纖維束的斷裂和拔出，還有纖維的氧化而引起的損傷。
  11. Considered anti - crack for asphalt surface and split for lean concrete base, design standard of asphalt pavement with lean concrete base is developed

    考慮控制面層反射裂縫和基層疲勞開裂，提出貧混凝土基層瀝青路面的設計標準。
  12. The serious overloading of vehicles and the shortcomings of highway surface designs have left many highways in early fatigue cracks and tracks

    摘要近年來重載交通的日益嚴重和當前路面結構設計存在缺陷使得很多公路出現早期疲勞開裂和車轍現象。
  13. Features : high strength ， high modulus ， low extensibility ， good anti - fatigue and anti - tearing performance resistant to high - temp erature track ， delaying and decreasing crack reflection

    特點：高強度、高模量，低延伸率、抗疲勞開裂，耐高溫車轍，延緩減少反射裂縫。
  14. Bracing members in concentrically braced structures may be subjected to large cyclic deformations due to local buckling during a severe earthquake causing possible early fractures

    摘要在罕遇地震下，框架中心支撐結構中的鋼支撐常因局部屈曲位置的低周疲勞開裂而過早退出工作。
  15. 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。
  16. This was related to the changes in the wear mechanisms induced by the introduction of the mmt as the filler, under water - lubricated condition, up was dominated by adhesion wear and fatigue peeling off in water - lubricated sliding against the steel, though the adhesion wear and fatigue peeling off were considerably abated for the nanocomposite under the same test condition

    這是由於蒙脫土的加入改變了材料的摩擦磨損機理。不飽和聚酯主要是粘著磨損與疲勞開裂。在水潤滑條件下，納米復合材料的磨損形式發生改變，而在干摩擦條件下，納米復合材料的磨損形式依舊以粘著磨損為主。
  17. 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

    對試件的靜載下開裂荷載、疲勞破壞特徵、疲勞壽命、疲勞荷載作用下的跨中撓度、截面疲勞抗彎剛度、裂縫開展情況及最大裂縫寬度、鋼筋及混凝土在循環荷載作用下應變等內容進行了研究，分析了疲勞循環特徵值、縱筋配筋率、骨料種類、混凝土抗壓強度等因素對試件疲勞性能的影響。
  18. Steel fiber scatters stress converging in the area of the top end of tiny cracks, restrict the occurrence and development of cracks, diminishes the width of cracks, and enhances the integrity of concrete with the occurrence of cracks via the effect of felting between concrete and steel fiber, and consequently the strength of concrete that resists compression, tension, and shear force increases obviously, and the capability of concrete that resists compact, and fatigue, and the ductility and durability of fissured concrete improve

    鋼纖維削弱了混凝土微裂縫尖端的應力集中、限制並約束裂縫的產生和開展、減小裂縫寬度、尤其是通過粘結作用提高了裂后混凝土的整體性，從而使混凝土的抗拉、抗彎、抗剪強度顯著提高，其抗沖擊、抗疲勞、裂后韌性和耐久性也有較大程度的改善。
  19. Abstract : fatigue cracks in ship hull structures are most likely to occur in the highly stressed structural details. the conventional fatigue analysis is largely dependent on the determination of stress concentration factors ( scfs ) at the locations considered. this paper is concerned with the stress concentration of cutout in transverse web for longitudinal stiffener. a series of finite element models is carried out for the stress analysis of predefined structural details. the tabulated scfs of typical cutouts ( abs tanker rules ) in transverse web for longitudinal stiffeners are presented based on the finite element analysis ( fea ) results

    文摘:疲勞裂紋往往發生在船舶結構的局部高應力區，而疲勞分析結果通常取決于任何準確確定結構的應力集中系數.本文研究為鋪設縱骨而在艙壁板上開孔的應力集中，採用有限元方法對預先給定的結構進行應力分析，基於有限元計算結果給出了艙壁板典型開孔（參見abs油船規范）的應力集中系數表
  20. The numerical simulation method based on the strip - yield method has begun to be used in the air space structures, but not used in the fatigue questions in the submarine

    基於帶狀屈服模型的數字模擬方法在航空航天結構上已經開展運用，但尚未用於潛艇結構疲勞斷裂問題。
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