flexural stress 中文意思是什麼

flexural stress 解釋
抗彎應力
  • flexural : 抗彎的
  • stress : n 1 壓力，壓迫，緊迫，緊張。2 【語音】重音；重讀；【詩】揚音；語勢，著重點。3 重要（性），重點，...
  1. Abstract : based on the analysis of the main failures discovered in pavement on steel deck plate and the demanding service condition of the pavement on steel deck, high - temperature rutting test, low - temperature bending test and controlled stress flexural fatigue test are used to study the performance of asphalt mixtures modified by epoxy resin including high - temperature stability, low - temperature cracking - resistance, and fatigue cracking - resistance, which are served to evaluate the modification effect of epoxy resin of different contents. with the addition of epoxy resin, all the three performances are improved greatly. however, when the amount of epoxy resin added is over a certain value, the modification effect will be stable with no extra benefit detected. finally, in terms of the properties of the three respects, 20 ?, 30 ?, 30 ? are given separately as the proposal adding contents

    文摘:在分析鋼橋面鋪裝層主要病害和特殊工作環境的前提下，分別採用高溫車轍試驗、低溫小梁彎曲試驗和控制應力小梁彎拉疲勞試驗，研究了不同環氧樹脂摻量下的環氧樹脂改性瀝青混合料的高溫穩定性、低溫抗裂性和抗疲勞性能.試驗結果表明:環氧樹脂對這3個方面都有很大的改進效果，但改性效果和樹脂的添加量並不是一個無限遞增的關系，當添加量超過一定數值以後，改性的效果將趨于平穩.最後就高溫、低溫、疲勞3個方面分別提出環氧樹脂添加量為20 ? ， 30 ? ， 30 ?的建議值
  2. Based on the analysis of the main failures discovered in pavement on steel deck plate and the demanding service condition of the pavement on steel deck, high - temperature rutting test, low - temperature bending test and controlled stress flexural fatigue test are used to study the performance of asphalt mixtures modified by epoxy resin including high - temperature stability, low - temperature cracking - resistance, and fatigue cracking - resistance, which are served to evaluate the modification effect of epoxy resin of different contents. with the addition of epoxy resin, all the three performances are improved greatly. however, when the amount of epoxy resin added is over a certain value, the modification effect will be stable with no extra benefit detected. finally, in terms of the properties of the three respects, 20 ?, 30 ?, 30 ? are given separately as the proposal adding contents

    在分析鋼橋面鋪裝層主要病害和特殊工作環境的前提下，分別採用高溫車轍試驗、低溫小梁彎曲試驗和控制應力小梁彎拉疲勞試驗，研究了不同環氧樹脂摻量下的環氧樹脂改性瀝青混合料的高溫穩定性、低溫抗裂性和抗疲勞性能.試驗結果表明:環氧樹脂對這3個方面都有很大的改進效果，但改性效果和樹脂的添加量並不是一個無限遞增的關系，當添加量超過一定數值以後，改性的效果將趨于平穩.最後就高溫、低溫、疲勞3個方面分別提出環氧樹脂添加量為20 ? ， 30 ? ， 30 ?的建議值
  3. Back - analysis method and computing program of damage parameters by the curve of stress - strain by uniaxial tension and compression test was made out. 5. by the damage evolving relation proposed the flexural process of the trisection specimens of wet - sieved and fully - graded concrete was numerically simulation

    5 .根據本文提出的損傷模型和損傷參量演化關系，分別對濕篩混凝土和全級配混凝土試件進行了三分點加載數值模擬。
  4. An important step in structure design is the calculation of the ultimate flexural strength of external prestressed concrete beams, which needs to calculate the ultimate stress increment of external tendons first

    結構設計的一個重要環節就是極限承載力計算，而計算體外預應力混凝土梁的極限承載力就必須求得梁在破壞時的體外筋應力增量。
  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。
  6. It is determined that with accurate knowledge of the complete stress - strain curve of concrete in compression, steel in tension, and with an iterative computerized non ? linear method, it is possible to predict the entire moment - curvature, moment - flexural rigidity and axial rigidity relation ship of a cross - section of a structure member

    可以確定，只要知道混凝土受壓和鋼筋受拉的完整的應力應變關系，採用選代的非線性計算方法，就有可能預測結構截面彎矩一曲率、彎矩一彎曲剛度和軸向剛度的關系。
  7. The work done in this paper is mainly as follows : ( 1 ) the wide beam should intrude to the wall at some length to make the flexural stress uniform along beam section width, thus make full use of the beam ' s bearing capacity and avoid the shear failure in the concrete joint. and it also prevents stress focus and concrete crack in the local shear wall

    關于寬梁與薄墻肢節點，可以得出以下幾點初步結論：寬梁應該深入墻肢一定的深度，以使寬梁截面的彎曲應力沿著梁截面寬度分佈均勻，充分發揮寬梁的抗彎能力，同時避免節點區混凝土的剪切失效，也避免剪力墻的局部因為受到的應力過大而拉裂。
  8. First, using strip - partitoning method and programming in matlab language, the numerical caculations of the relation curve between moment and curvature are done for the beams strengthened with non - prestressed and pretressed cfrp sheets, base on the assumption of plane section, non - bonding slip and non - peeled destroy. secondly, nolinear finite elemeant analysis by ansys are done for the beams strengthened with prestressed cfrp sheets base on the three assumptions before mentioned, the analysis are all done for the relation curve between load and displacement, the distribution of material stress, the distribution of cracks. lastly, calculation formula of flexural capacity and deflection are proposed

    ）的全過程關系曲線。其次基於上面的三個假定，選擇合理的本構關系，利用ansys通用有限元分析程序對預應力碳纖維布加固梁進行非線性有限元分析，分析了加固梁的荷載-撓度關系、材料的應力情況、裂縫的分佈情況等。最後提出了承載力計算公式和正常使用狀態下撓度計算公式。
  9. The plexiglass model test is carried out by two selective shape, the stress of each test operating loads was obtained in order to validate the correctness of the finite element modeling. in this paper, a regularity of shear lag effect of main sections in two kinds of box girder is given. as the foresight project of double - level - driveway continuous box girder, this research fully utilizes the space of box girder structure and flexural and torsional properties of high - depth box girder, which have innovative significance and applied foregroundin engineering

    對所選擇的結構形式進行縮尺有機玻璃模型試驗，得到實腹連續箱梁和空腹箱梁在各種試驗工況荷載下的應力，通過換算分析，驗證了本文所建立的有限元模型的準確性，由此得到兩種箱梁各主要斷面剪力滯效應的變化規律。
  10. Effect of gradient of fiber laminates on flexural rigidity and interlaminar stress

    纖維層合板梯度化后對彎曲剛度與層間應力的影響
  11. Standard test method for determination of slow crack growth parameters of advanced ceramics by constant stress - rate flexural testing at ambient temperature

    利用室溫下用常應力率彎曲試驗測定高級陶瓷的裂紋緩慢生長參數的標準試驗方法
  12. Second, many mechanical properties are tested, for example, tensile strength and tensile modulus, flexural strength and flextural modulus and impact strength. by the analysis of the tensile stress - strain curves and the flexural stress - strain curves, the results are as follows : 1 ) the voluminal content of fibre of composite making by vacuum assistant resin injection is more than other composites. 2 ) the mechanical properties of the needlepunching nonwoven fabric reinforced polymer composite are superior to these of the calendering nonwoven fabric reinforced polymer composite

    首先，採用不同的增強材料（針刺非織造布和熱軋非織造布） 、不同的基體材料（ 961樹脂和306樹脂）和不同的成型工藝方法（手糊法、真空袋法和真空輔助成型法）製造出了一系列非織造布增強復合材料，然後對它們的拉伸強度、拉仲彈性模量、彎曲強度、彎曲彈性模量和沖擊強度等力學性能進行了測試，並分析了它們的拉伸載荷? ?位移曲線和彎曲載荷? ?位移曲線，結果表明真空輔助成型工藝能大大提高纖維的體積含量；針刺非織造布增強復合材料各項力學性能優于熱軋非織造布增強復合材料。
  13. In active code for design of steel structures, axially compressed members are calculated not as torsional - flexural buckling but as flexural buckling with equivalent slenderness ratio, residual stress and initial geometry imperfection are also taken into account as flexural buckling

    我國現行鋼結構設計規范（ gb50017 ）採用換算長細比的方法將彎扭失穩等效為彎曲失穩，其殘余應力和初始幾何缺陷均按彎曲失穩考慮。
  14. The parameters in the study included the fire duration time, the axial load level, the section type and the strengthen method. the ultimate lateral strength, flexural stiffness, dissipated energy and ductility of the columns were compared and analyzed. ( 2 ) based on the stress - strain relations for steel and concrete after high temperature and the temperature field in the structural member, fiber - based model was developed to calculate the hysteretic moment ( m ) versus curvature ( ) relations and the lateral load ( p ) versus lateral displacement ( ? )

    （ 2 ）在確定高溫后鋼材和混凝土在往復荷載作用下的應力-應變關系以及構件截面溫度場的基礎上，考慮力-溫度-時間作用路徑，建立了火災后鋼管混凝土壓彎構件滯回性能的理論分析模型，對火災后鋼管混凝土構件的彎矩-曲率（ m - ） 、荷載-變形（ p - ）滯回關系曲線進行了分析，計算結果與實驗結果總體上吻合較好。
  15. Parameter analysis, 3d nonlinear finite element program and experimental study are carried out to discuss the prestressing effects in terms of ultimate flexural strength, deflection, cracking moment, the redistribution of internal force, the stress increment of prestressed tendons, and the slip at the interface of prestressed steel - concrete composite continuous beams

    本文通過參數分析、 ansys三維有限元非線性分析、模型試驗等研究方法，著重探討了抗彎承載力、撓度變形、開裂彎矩、內力重分佈、預應力筋應力增量、組合界面滑移等方面的預加力效應。
  16. The relationship between the flexural stress field and the vertical and horizontal loading is also discussed in details respectively. the result shows that the flexural stress of the western china is about several hundred mpa

    結合中國大陸西部的地質特徵，討論了撓曲應力場在板塊垂向上的變化規律，分析了垂向荷載和水平荷載對撓曲應力場的影響。
  17. Based on the lithosphere rheology, we use a 3d method in space domain to calculate the flexural stress field of the continental lithoshpere in western china. in this thesis, the vertical variation of the flexural stress field is presented

    本文在前人研究的基礎上，依據巖石圈流變學理論，在空間域採用垂直和水平受力的多個變剛度的三維有限差分方法來計算彈性板的撓曲，從而求得相應的撓曲應力場。
  18. Therefore the flexural stress covers a large percentage of the total stress field. the study of the flexural stress field of the continental lithoshpere in western china will contribute a lot to the understanding of the tectonic evolution of continental lithosphere and the global plate tectonics

    研究中國西部大陸巖石圈的撓曲應力場對于了解該區總應力場的性質、研究板內造山運動和青藏高原隆升以及地球動力學都具有非常重要的意義，有助於理解構造運動的動力機制和大陸巖石圈的運動特徵。
  19. The vertical loading plays a major role in the state of the flexural stress. beneath the mountain belts, the compression decreases and changes to extension from the top of the elastic plate to the bottom. the change of the flexural stress beneath the basin is vice versa

    從彈性板頂部向下，造山帶下方的擠壓逐漸減小，到中性面以下變為拉張，然後張應力逐漸增大，在彈性板底部達到最大；盆地下方的變化則與之相反。
  20. Allowable flexural stress

    容許彎曲應力
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