strain by compression 中文意思是什麼

strain by compression 解釋
壓縮應變
  • strain : vt 1 用力拉,拉緊,抽緊,扯緊。2 使緊張;盡量使用(肌肉等)。3 強迫,強制;濫用,盡量利用。4 拉傷...
  • by : adv 1 在側,在旁,在附近。2 (擱)在一邊,(放)到旁邊,(存)在一旁;收著。3 (由旁邊)經過,過...
  • compression : n. 1. 壓縮;壓緊;濃縮,緊縮。2. 加壓;壓抑。3. (表現的)簡練。4. 應壓試驗。
  1. 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。
  2. While cyclic deformation experiment under constant strain control is performed in 400, the material shows the continuous hardening until cyclic invalidation. ( 3 ) back stress attained by kwl " s method is used to analyse the bauschinger effect during an incremental step cyclic test and cyclic deformation test under constant strain control, it is shown that back stress increases with increasing plastic strain and the numbers of cycle, and the back stress is uniform, regardless of tension or compression conditions. ( 4 ) as far as recrystallized zircaloy - 4 plate is concerned, the back stress in transverse direction is higher than that in rolling direction due to the higher schmid factor in rolling direction

    對于再結晶狀態的zr一4合金板材試樣來說, t方向(橫向)試樣的背應力要高於r方向(軋制方向)的背應力,原因在於r方向的schmid因子高於t方向的schmid因子; 400下, zr一4合金的背應力要明顯低於室溫下的背應力;含氫200pg / g的zr一4合金的背應力大小與無滲氫的zr一4合金背應力相比,無明顯區別;固溶處理后, zr一4合金的背應力大小發生了變化,在較高塑性應變下,背應力均高於固溶處理前的背應力。
  3. The content of the paper is nonlinear analysis of complete response process for t, l - shaped and " + " shaped section r. c. columns under axial compression and biaxial bending. on the basis of related papers, the full path of stress - strain relation of concrete and the sliding of longitudinal reinforcement anchoring are all considered, simultaneously, the restriction effect for concrete by thickening of stirrups is also included

    本論文主要內容是對鋼筋混凝土異形截面雙向壓彎柱(包括l形、 t形、十字形柱)進行非線形全過程分析,在有關文獻基礎上考慮了受拉縱筋和周圍混凝土的錨固滑移和混凝土應力?應變關系曲線的下降段,同時考慮到在箍筋加密區箍筋對混凝土的約束影響。
  4. The analysis showed the strain of section is not plain under moment so that the moment is carried by force couple in the outer frame. 4. the paper gave the rigid frame - compression bar model for practical computation

    在試驗研究的基礎上,提出了密肋復合墻板實用設計的鋼架斜壓桿模型;通過線彈性有限元分析,就其優化設計進行了探討。
  5. The tensile and compression experiment on bulk nanocrystalline ag prepared by igc method was carried on mt810 with different grain sizes and zwick 10tn2s machine at different strain rates under normal temperature respectively. the stain rate sensitivity m was found to be 0. 025, which was extremely lower than the ordinary values. also the work hardening exponent is very low

    本文從用惰性氣體蒸發冷凝和真空原位壓結法( igc )制備得到的直徑80mm ,厚度7 . 6mm的大尺寸納米晶金屬ag樣品上切割得到符合力學實驗要求的拉伸和壓縮試樣,在mts810和zwick精密力學測試機上分別精確測定了拉伸和壓縮應力?應變曲線與晶粒尺寸和應變速率的關系。
  6. The relationship of true stress and true strain for the mid - strength weldable 1420 aluminum - lithium alloy has been investigated in this thesis by high temperature compression testing and high temperature tensile testing on different hot deformation conditions. the interdependence of flow stress, strain rate, strain and deformation temperature for the alloy at high temperature has been studied

    本文通過高溫壓縮和高溫拉伸試驗,研究了中強可焊1420鋁鋰合金熱變形時不同變形條件下的應力-應變關系、變形條件對合金流變應力的影響;運用多元回歸分析方法,採用c語言編程確定了合金的本構關系方程;引入z參數,求解了部分材料常數,並用於材料的組織性能研究中。
  7. The research indicate that the structured soft clay has below several characteristic, the viscous strain is produced during the stage of primary consolidation and of second consolidation, and in the prophase, the relation of stress - strain - strain rate is unique, so the form of constitutive model, such as, f ( v ', e ) = 0, f ( ' v, e, t ) = 0, ca n ' t describe strain behavior of soil skeleton rationally ; the time - dependent properties involve three aspects, in addition the time - dependent strain, apparent preconsolidation pressures that depend on strain rate, and the effect of creep compression on apparent preconsolidation pressures ; because of holding structural strength, the mechanics characteristic is determined by the magnitude of stress, and the compression curve is composed of several sections. by combining structural yield stress and it ' s characteristics with the improved time line model, a new one - dimensional elastic visco - plastic consolidation model is established

    研究結果表明,結構性土的固結過程具有以下特性:主固結和次固結階段都包含有因土骨架的粘滯性移動而產生的變形,而且在正常固結階段,存在應力?應變?應變速率的唯一性, f ( _ v , e ) = 0 、 f ( _ v , e , t ) = 0形式的本構關系不足以描述土骨架的變形行為;固結壓縮過程中的時間效應包括三個方面的內容,除了應力應變關系與時間相關外,還包括粘滯性變形引起表觀前期固結壓力增加和屈服應力的應變速率效應;軟土的結構性使其力學特性與應力水平相關,壓縮曲線具有分段性。
  8. ( 2 ) based on deterioration model of owerage bond stress of beam reinforcement accounting for effect of axial compression ration and number of displacement loops, and stress - strain relationship of the concrete in the joint core accounting for effects of both softening and confinement, the modified compression field theory was employed to simulate behavior of the joint core under loading reversals. analysis by means of the program jap on the tested specimens in this paper and those obtained from other researchers produced consistent results

    根據本文建立的考慮軸壓比和位移循環次數影響的梁筋平均粘結應力退化模型和考慮軟化效應、約束效應的核心區混凝土應力應變關系,通過在試驗中得出的節點核心區混凝土、箍筋、節點正面、背面柱筋在反復荷載下的受力特點,利用斜壓場理論模擬節點核心區在反復受力過程中的受力狀態。
  9. During the above iteration, the stress resultants of the concrete in the cross section are evaluated by integrating the concrete stress - strain curve over the compression zone, while those of the structural steel and the steel reinforcement ( if any ) are obtained using the fiber element method

    迭代計算過程中混凝土的截面抗力通過對混凝土應力-應變曲線在截面上的精確積分求得,而型鋼和鋼筋部分的截面抗力則採用纖維元方法求得。
  10. These results demonstrate that the effect of improving the bearing load of structure is very good by strengthening the member of eccentricity compression under pre - stress. the ultimate bearing capacity of strengthened column is closely related to the eccentricity distance. in the condition of eliminating the lagging strain of angle iron, the magnitude of pre - stress putting on the angle iron has litter impact on the ultimate bearing capacity of structure

    偏心受力構件的有限元計算結果表明:預應力法加固偏心受力構件,其對結構承載力的提高效果顯著;加固柱的最大承載力與柱的偏心距有密切關系;在消除角鋼應變滯后的條件下,對角鋼施加預應力的大小對結構最終承載力無明顯影響。
  11. It is pointed out that the compression of water in saturated sand caused by the densification of sand during dynamic loading and the dilation trend of liquefied sand are related to this. a new mechanism of large post - liquefaction deformation of saturated sand is established. according to the mechanism of large post - liquefaction deformation and the reconsolidation volumetric strain formula, a post - liquefaction constitutive model had been put forward

    摘要基於大變形機理以及文中提出的再固結體變公式提出了一個飽水砂土液化后本構模型,模型不尋求液化后整個加載過程中的應力應變反應,將液化后過程分成低強度段和強度恢復段兩段來分別進行表達,因為低強度段應變產生於極小的剪應力作用下因此認為該段應變是必然會發生的,強度恢復段應變的大小取決于土體所受剪應力的大小。
  12. Finally, to consider the effect of the compression of the approach embankment to the determination of the tolerable differential settlement, this paper, considering the flexible pavement as viscoelastic multilayers and dividing the moving traffic load into fourier series, presents the formulation and the application of a combination of transfer matrix and laplace transform and fourier transform approach to evaluate dynamic response of the flexible pavement subjected to a moving traffic load under modified plain - strain condition. the predictive capability of the model are verified by the laboratory model

    為了考慮車路耦合對路橋過渡段容許差異沉降確定的影響,本文將柔性路面視作粘彈性體層狀體系,採用修正的平面應變模型,將移動的車輛荷載用傅立葉級數展開,用傳遞矩陣配拉氏變換和傅立葉變換法進行了移動荷載作用下柔性路面動力響應分析,並用模型試驗證明了理論分析結果的正確性。
  13. Based on the previous and through the uniaxial tension damage experiment and comparing to the uniaxial compression damage experiment, the paper makes research on the anisotropism of the damage and the difference of the damage between the uniaxial tension and the uniaxial compression, combining with orthogonal anistropic damage model and exponent function damage developing equation. through the formulae deduction, the damages caused by the same absolute value tension and compression strain have the comparing character in some extent and corresponding decay coefficient

    本文在前人研究的基礎上,通過單軸拉伸損傷試驗,及其與單軸壓縮損傷試驗的比較,進一步結合正交異性損傷模型與指數函數損傷演變方程,對混凝土體中損傷的各向異性以及單軸拉伸和單軸壓縮情況下損傷的差異性進行了研究探討,經過公式推導,提出絕對值相等的拉、壓應變產生的損傷具有一定的可比性,並給出了進行可比性換算的折減系數。
  14. In the end, we use the constitutive relations with damage and these without damage to analyze the uni - axial concrete compression experiment under different constant strain - rates, so it is validated by mechanical simulation. we find that when the strain - rate is low, we should use the constitutive relations with damage to predict ; when the strain - rate is high, we should use the constitutive relations without damage to predict

    針對不同應變率下的單軸壓縮實驗,分別應用考慮損傷和不考慮損傷的本構關系進行力學模擬,發現應變率比較大的時候,混凝土材料可以不考慮損傷;當應變率比較小的時候,混凝土材料要考慮損傷, 。
  15. Second, when cfrc specimen is compressed, its capacity will change with the change of pressure, mostly because the relative dielectric constant changes with the change of pressure, so the compression sensibility of cfrc can also be reflected by capacity measurement, and the change of capacity with stress - strain is sensitive, and the data of measurement are stable

    Cfrc在受壓時其電容會隨壓力的變化而變化,主要是因為cfrc的相對介電常數隨壓力的變化而變化,所以通過電容的測量同樣可以反映cfrc的壓敏性,而且電容隨應力、應變的變化靈敏,測試數據穩定。
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