極限應力 的英文怎麼說

中文拼音 [xiànyīng]
極限應力 英文
critical stress
  • : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • 極限 : 1 (最高的限度) the limit; the maximum; the ultimate limit; limitation; extremity; tipping point...
  1. To study the flexural behavior, ultimate bearing state and laws of internal force redistribution of prestressed concrete continuous beams cast by different construction methods, the model tests for three pieces of the continuous beams were carride out, in which three kinds of the construction methods, such as those of lowering formwork supports at one time, transferring simply - supported structure into the continuous one and casting the beam by cantilever construction, were considered

    摘要為研究不同施工方法下預混凝土連續梁的彎曲性能、狀態及內重分佈規律,進行了3根連續梁模型試驗,分別考慮一次落架、簡支變連續和懸臂施工3種施工方法。
  2. By analyzed interactions of combined limit pipe load components, simplified check formula for pipe load strength are put forward and the calculation method of relevant allowable pipe load values based on shell finite element analysis is presented as well

    通過對組合接管載荷分量相互關系的分析,提出了接管載荷強度驗算簡化公式和以殼結構有分析為基礎的許用接管載荷計算方法。
  3. Calculation methods for the ultimate stress and effective height of external prestressing tendons

    體外預極限應力和有效高度計算方法
  4. This paper demonstrates ultimate stress increment of unbonded tendons can be composed of approximate elastic deformation along the elements and local plastic deformation by nonlinear analysis on the unbonded partially prestressed concrete continuous structures. referring to the rule of ultimate stress increment of unbonded tendons at every load case, a regression formula of ultimate stress increment of unbonded tendons based on elastic - perfectly plastic model has been presented for engineers to calculate ultimate stresses of unbonded tendons in prestressed concrete multi - span continuous structures

    考慮在各種荷載工況作用下無粘結筋極限應力增量的變化規律,並與理想的彈塑性模型相比較,最終得出以理想彈塑性模型計算各種荷載工況作用下無粘結筋極限應力增量的回歸公式,從而為預混凝土多跨連續結構的無粘結筋設計計算提供有益的參考。
  5. This thesis briefly analyzes some yield criteria and instability criteria to the sheet metal forming first. then according to the transformation rule from ultimate strain to ultimate stress, it establishes the mathematical calculation models of the forming limit stress diagram for the software development according to hill48 、 hill79 and hosford yield criterion irrespectively

    本文首先分析了板料成形的屈服準則和失穩準則,然後根據變到極限應力的轉換關系,分別採用hill48屈服準則、 hill79屈服準則和hosford屈服準則,建立了用於軟體開發的成形極限應力圖的數學計算模型。
  6. Ultimate stress increment is a hotspot problem in theory of unbonded partially prestressed concrete structure, however, according to design critera and the art of the state on this issue around the world, it is still not considered in reason that ultimate stress of unbonded tendons in prestressed concrete multi - span continuous structures varies with load cases

    無粘結筋的極限應力增量一直是無粘結預混凝土結構理論中熱點問題,而從目前各國的設計依據及研究現狀來看,還沒有合理考慮多跨連續結構的無粘結筋極限應力隨荷載工況變化的情況。
  7. The research shows that : 1 ) the ductility of the hsc bending members constructed is much greater than 5 ; 2 ) increasing the vertical links and distribution steel can increase the deflection under ultimate moment ; 3 ) with appropriate compressive bars, vertical links and distribution steel the increase of moment after yield and the decrease of moment under ultimate moment can be ignored, so the ductility of the hsc bending member is much larger ; 3 ) the width / depth ratio of hsc bending member has no obvious effect on the ultimate compressive strain of concrete ; 4 ) the method used here to calculate the deflection is applicable ; 5 ) the location of crack coincides with the location of vertical links and distribution steel ; 6 ) the bending property of the hsc structure under the blast load can meet the demand of protective engineering

    研究表明:本文研究的梁、板構件的延性比遠大於5 ;增加箍筋(鉤筋、分佈筋)含量,可以提高壓區混凝土剝落時的撓度;在適當的受壓筋、箍筋(鉤筋、分佈筋)含量下,可以忽略壓區混凝土剝落瞬間的承載下降,從而大大提高構件的延性;受彎構件的寬高比對壓區混凝土變的影響不明顯;受彎構件的裂縫間距受箍筋(鉤筋、分佈筋)的布置影響;文中所用的承載和變形計算方法是可行的。化爆試驗表明,高強混凝土構件的動載抗彎性能能夠滿足防護結構的要求。
  8. Based on stress concentration coefficient, fatigue notch coefficient, fatigue limit and range of allowed stress are obtained

    在k研究工作的基礎上,求得相的疲勞缺口系數k _ f ,進而推定高強螺栓的疲勞極限應力幅及其允許幅。
  9. 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。
  10. Also, the design ultimate strain of cfrp is discussed and a simple design method is brought forward on the basis of experiment results

    本文在試驗的基礎上給出了碳纖維的設計變並提出了加固後梁正截面承載的簡化計算方法。
  11. The multi - purpose tester developed here is aim at testing the mechanics performance of the brittle material, which bases on modular design thought, it contains several modules as the machinery load component, platform of supporting, the function modules and the software system, they can be combined in different function modules to satisfies the need of different application situation. the tester can be used to measure not only general material properties such as elastic modulus, ultimate strain, strength, hardness and toughness, fatigue properties but also various special properties such as the local strength, and surface residual stress at the different location of the brittle component with non - destructive methods. thus the security and reliability of the brittle component can be evaluated and predicted

    本文基於模塊化設計思想,研製了一臺專門針對脆性材料學性能測試的多功能脆性材料試驗儀,其主要包括機械加載模塊、支撐平臺、功能模塊、測控系統、軟體系統等模塊,通過對這些模塊的不同組合可實現不同的功能及滿足不同用場合要求;系統除了具有測試脆性材料的彈性模量、變、強度、硬度、韌性等常規性能外,還具有無損測試玻璃構件不同位置的局部強度和表面預,進而對玻璃構件的安全可靠性和壽命進行預測等功能。
  12. Based on the gathered data, especially displacement data, statistically analyzing and feed back according to various empirical methods, theoretical norm and fem computation are conducted so as to grasp the rules of deformation and stress of ground and structure, assess the stability of ground and structure as well as determine reasonable support time and parameters, ultimately achieve safety without compromised safety

    根據獲取的量測信息,尤其是位移信息進行統計分析,依照各種經驗方法和變準則,以及有元計算綜合進行反饋,把握重疊隧道採用先上後下多臺階開挖工法時圍巖和隧道結構的變形和受規律,確認圍巖和隧道結構的穩定性,確定合理的支護時機和支護參數,保證施工安全的基礎上追求經濟性。
  13. First read in the calculation result file i. e. d3plot, then input the correlative material parameters and ultimate strain from experiments, and the developed software will produce the forming limit stress diagram used as sheet metal instability criterion and the stress contour of the part

    所開發的用軟體,首先讀取dynaform的計算結果文件d3plot ,輸入材料的相關參數和試驗所得到的板料的變,軟體即可生成用作板料失穩判據分析用的成形極限應力圖和零件的雲圖。
  14. Boundary state of stress

    極限應力狀態
  15. This paper overviewed the prediction methods of forming limit in sheet metal forming, which included forming limit stress diagram, the maximum forming thinning ratio, forming limit diagram and ductile fracture criteria ( dfc )

    摘要對板料成形中的成形極限應力圖、最大變薄率、成形圖以及韌性斷裂準則等預測成形的方法,進行了綜述和分析。
  16. According to the former mathematical calculation models, the applied software, which uses the forming limit stress diagram as its instability criterion, is developed based on the sheet metal forming finite element code dynaform using visual c + +

    根據以上所建立的數學計算模型,基於板成形專用有元分析軟體dynaform的環境,用visualc + +開發了以成形極限應力圖作為判據的用軟體。
  17. Firstly, on the base of analysis and summarize already existing every kind of means to calculate the settlement of the foundation, and combinating stress peculiarity of the rigid pile in rigid - soften composite piles foundation, lodge a new method named utmost stress to calculate the settlement of it. it was proved useful with the practical example. besides that, bring forward a criterion that the calculation of the settlement must be bigger than the observation of it for 30 % to discriminate a method between safe and unsafe

    剛柔復合樁基用的關鍵是控制基礎沉降,本文首先在分析和總結已有各種沉降計算方法的基礎上,結合剛柔復合樁基中剛性樁和柔性樁的受特點,提出了一種剛柔復合樁基沉降計算的新方法?極限應力法:在修正法的基礎上,假設剛性樁的實際承載達到其設計承載值,則樁土比易於確定,從而可得復合樁基的總沉降量。
  18. In view of the above reason, this thesis adopts the forming limit stress diagram as the instability criterion due to its independence of strain paths, which is acknowledged at home and abroad in the field of sheet metal forming, and develops the applied software for the special purpose finite element analysis code dynaform in order to provide it with a new instability criterion

    本文基於板成形專用有元分析軟體dynaform ,以國內外板料成形領域認同的具有變路徑獨立性優點的成形極限應力圖為判據進行了用軟體的二次開發,以期為板成形有元分析軟體提供一個新的失穩判據。
  19. Bearing capacity and displacement are two main problems in the application of geotechnical engineering. based on a series of pull - out tests using three kinds of paper and a sort of window screening as geogrid, twenty - seven in limit and several in working - stress geogrid - reinforced slope model tests designed through orthogonal principle have been conducted to have obtained the relationship between the bearing capacity and four factors ( i. e. reinforcement, angle of reinforced slope, the designed - length of reinforcement and the distance between layers of reinforcement ). the law of slope lateral ( horizontal ) displacement versus to the height of slope vary with external - load was derived from the model test data, and the main factor affecting the lateral and vertical displacement of geogrid - reinforced slope was obtained through analysis

    承載(強度)和變形是巖土工程用領域的兩大主要問題,本文以紙和窗紗布模擬加筋土邊坡的土工格柵,在一系列拉拔試驗的基礎上,以正交設計理論分別安排27個極限應力狀態和若干個工作狀態加筋土邊坡模型試驗,並以模型試驗獲得的數據為依據,採用誤差、差及回歸分析方法,探討了加筋土邊坡承載與筋類、筋長、層間距、坡角4因素的相關關系,獲得了在外荷載作用下加筋土邊坡的側向位移隨坡高的變化規律(並進行了定性解釋)和坡頂的豎向位移特性,並分析其主要控制因素。
  20. This paper gives the suffering strength analysis of computelr simulating building initiative comtrol by earthquake waves effecting and analyzes some problems, this can give building reaction, destroy character and limit holding

    本人用計算機模擬來模擬建築物在主動控制下受到地震波作用下的受分析,從而來分析一些問題,這可以看到建築物在幾種地震波作用下的反,其破壞特徵和
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