compression strain 中文意思是什麼

compression strain 解釋
壓縮應變
  • 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。
  • 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...
  1. Methods. apparent glucose diffusivity measurements were performed on 10 axial and 10 radial af specimens from bovine coccygeal discs. the dependence of diffusivity on compression was determined using 3 levels of strain ( 0 %, 10 %, and 20 % )

    方法：測量來自牛尾骨椎間盤纖維環10個軸的和10個輻射的樣品來獲得葡萄糖近似擴散系數。壓縮狀態下的擴散系數決定於3個等級的拉伸（ 0 % ， 10 % ，和20 % ） 。
  2. In this paper, the split hopkinson pressure bar ( shpb ) was used to study the compression mechanical behavior of al / sicp mmcs under the high strain rate

    本文用自行研製的分段式霍布鑫森壓桿（ splithopkinsonpressurebar ）研究al / sic _ p復合材料在高應變率下壓縮的力學行為。
  3. The failure criterions of principal stress, octahedral stress and strain space are established. ( 7 ) the biaxial compression - tension t

    建立了主應力、大連理工人學博士學位論文一八面體應力和應變空間的混凝土破壞準則。
  4. The following results were found, i. e., the water ratio affects obviously the acoustic wave velocity of rock sample ; the wave velocity is higher in saturated rock samples than in unsaturated ones ; and it decreases gradually with the strain of samples during uniaxial compression ; and also with the lengthening holding time at 160 ; when heating the samples the acoustic wave velocity increases slightly in initial stage and comes to the peak value at 60, then decreases gradually with increasing temperature ; meantime, there is a certain temperature effect on rock samples size

    實驗發現含水率對波速影響比較大，飽和巖樣的聲波傳播速度高於不飽和巖樣的聲波傳播速度；人工預制裂紋對聲波傳播速度影響不大；單軸壓縮條件下，聲波傳播速度隨應變增加逐漸降低；在同一溫度（ 160 ）下，波速隨保溫時間的增加而逐漸降低；在對巖樣逐漸加熱情況下，初始加熱階段波速略有升高，當溫度達到60時，巖樣波速達到峰值，之後隨著溫度繼續升高其波速逐漸下降；波速隨溫度變化具有一定的尺寸效應。
  5. Strain control triaxial compression apparatus

    室內土工試驗應變控制式三軸壓縮儀
  6. 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。
  7. 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。
  8. 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。
  9. Columns under axial compression and biaxial bending. in the beginning of the paper, it summarized the history and the actuality of the nonlinear analysis of special - shaped columns and the capability of the sliding of reinforcement anchoring. 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

    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，首先綜述了異形柱構件非線性分析以及粘結滑移性能研究的歷史與現狀，在有關文獻基礎上考慮了受拉縱筋和周圍混凝土的粘結滑移和混凝土應力?應變關系曲線的下降段。
  10. 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。
  11. The measurement of biological soft tissue internal strain distribution under compression

    生物軟組織內部壓縮應變的測量與分析
  12. The main research is below : ( 1 ) the influence to intensity and rigid with corner angle ( 60, 75 and 90 degree ) of crack and the board axes ( 2 ) do a fem stress / strain and crack growth simulation analysis when the corner angle of crack and the board axes is 60 degree ( 3 ) do a intensity resume analysis for the structure which is repaired with a titanium patch in a mechanical way when the corner angle of crack and the board axes is 60 degree through simulation analysis for three failure criterion, we have : ( 1 ) in 60, damage extend quickly with damage analysis in hashin criterion ; it is slower for analysis in maximum stress or hashin - rotem criterion. ( 2 ) in special term ( physical condition incision, shape or maximum load ) the compression strength of the stiffened plate will decline 45 % ~ 50 % under compression loads

    通過採用三個不同損傷判據的數值模擬模擬，得到如下結論： （ 1 ）在60時，用hashin判據進行的損傷分析，損傷擴展較快；最大應力及hashin - rotem判據進行的損傷分析，損傷擴展基本相當，且較慢； （ 2 ）在所給加筋板的物理條件、切口大小及形狀、最大載荷等一定的條件下，該加筋板在壓縮載荷作用下，其壓縮強度下降了45 50 ； （ 3 ）在本文提及到的機械連接修理方法以及載荷條件下，修理后的結構強度恢復能夠滿足戰時要求。
  13. 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。
  14. Saturated sand are testes in the laboratory under the undrained cyclic loading condition with static - dynamic dual purpose triaxial compression test apparatus, which is designed under the cooperation of hohai university and marui co. ltd japan. the results indicate that the stress path approaches from a initial stress point to the failure lines as cyclic loading goes on, and eventually converges on a certain limiting stress path in the vicinity of the failure lines. the stress - strain curve, however, does not converge on a closed hystersis loop ; the shear strain rapidly increases in looser sand or gradually and continually increases in denser sand

    利用河海大學與日本圓井株式會社共同研製的新型的多功能靜動三軸儀進行了飽和砂土循環扭剪不排水試驗，研究表明，對于松砂，剪應變幅度快速地由微小增加到百分之幾甚至百分之十幾，對于緊砂，剪應變幅度逐漸地由微小增加到百分之幾甚至百分之十幾；經試驗初步研究表明用初始有效平均正應力歸一化的有效應力路徑很好的一致性。
  15. 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。
  16. The experimental result of superplastic compression indicates that strain rate has intensive effect on flow stress of ti - 1023 alloy and the effect of temperature is related with strain rate

    超塑性壓縮實驗結果表明，應變速率對ti - 1023合金流動應力具有強烈的影響，溫度對流動應力的影響程度與應變速率大小有關。
  17. 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。
  18. In this dissertation, the effect of texture, heat - treatment, and hydrogen on the lcf behavior of zircaloy - 4 and the cyclic deformation behavior for zircaloy - 4, n18 alloy and n36 alloy have been investigated systematically using fully - reversed tension - compression loading under strain control ( r = min / max = - 1 ), while the evolvement of the friction and back stresses versus the number of repeated working cycles and the plastic strain amplitude has been studied, and the thorough discussion combined with the analysis result of fatigue sub - structure, friction and back stresses, and fatigue fracture has been given to the mechanism underlying the lcf behavior of alloys

    本文採用對稱拉壓循環變形方法（ r _ = _ （ min ） _ （ max ） = - 1 ） ，系統研究了織構、熱處理狀態、氫對zr - 4合金低周疲勞性能的影響， zr - 4合金、 n18合金和n36合金的循環變形行為，並研究了摩擦應力、背應力隨循環周次、塑性應變幅的變化規律。結合疲勞亞結構和疲勞斷口的分析結果，深入探討了影響合金低周疲勞行為的作用機制。
  19. 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。
  20. Making use of the transformed pressure test machine and low - temperature refrigerator, 16 groups, 3 per group, uniaxial tensile experiments are carried out. it educed tensile, compression - strain curves of concrete, tensile strength - caring age curves of concrete and compressive strength - caring age curves of concrete

    採用液壓試驗機和使用低溫冷凍室，做了20組60個單軸受壓試驗和20組60個單軸受拉試驗，得出了混凝土的受壓和受拉應力?應變曲線、抗壓強度與養護齡期以及抗拉強度與養護齡期的關系曲線。
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