stress under compression 中文意思是什麼

stress under compression 解釋
壓縮應力
  • 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,...
  • under : adv 1 在下,從屬著,服從著。 bring under get under keep under 等〈參看各該動詞條〉。 The ship wen...
  • 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. To the particular case under the small eccentricity compression, the method that the angle irons are strengthened on two - sides, but pre - stress is only put one side, can be adopted firstly

    對于較小偏心的特殊情況,宜採用雙側角鋼,單側施加預應力的方法。
  2. On the base of the analysis of the static fbd under diametric compression, numerical analysis and compare are performed on the dynamic stress field of the brazilian disk and fbd used in the testing tensile strength under shpb

    在對靜態平臺壓縮巴西圓盤( fbd )進行的數值分析的基礎上,本文分析了shpb動態劈裂拉伸實驗中巴西圓盤和平臺巴西圓盤的動態應力場,並對結果進行了比較。
  3. 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。
  4. 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。
  5. 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。
  6. 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。
  7. The results indicated that, the fabrication process of ultra - fine grain material is mainly determined by the stress, rotate speed and the flux of cooling water. the grain refining and the hardening effect are mostly affected by the rotate speed and the flux of cooling water. compared with commercial ly12, the invalidate strength and the prolongation rate of the ultra - fine grain material are properly improved in the measurement of compression property ; and the abrupt change of the dilatability of the ultra - fine grain material at 500c is found ; also the phenomena of which the grain size of these microstructures is stable when annealed under 300c is observed

    研究表明,採用本文提出的摩擦壓扭強變形區轉移法可以得到棒狀的超細晶材料,軸向壓力、扭轉速度和溫度是採用該方法制備超細晶材料的主控參數;試件的旋轉轉速和冷卻速度對變形區晶粒細化和硬化效果影響顯著;超細晶ly12的壓縮性能與淬火+自然時效狀態的ly12壓縮性能相比,斷裂強度和延伸率均有一定程度的增強;超細晶ly12的熱膨脹系數在550左右發生明顯的變化。
  8. 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。
  9. Abstract : based on the data obtained from field observations and deformation monitoring, this paper deals with the deformation and failure of a double - decked slope composed of soft rock strata in its lower part and hard - brittle rock strata in its upper part. it is demonstrated that the deformation of this kind of slopes is always initiated by the non - homogeneous rheological compression of the lower soft rock strata, leading to the tension fracture and toppling of the upper hard rock strata, and at last the sliding of the whole deformed body will be caused by the shear failure along the stress - concentration zone in the lower soft rock mass under the actions of the gravitational loading and infiltration water

    文摘:以現場考察和變形監測資料為依據,探討一個下部有軟弱基座,上部為硬脆性坡體的「二元結構」邊坡的變形破壞問題,揭示這類邊坡的變形總是以下部軟弱巖體的不均勻壓縮流變為先導,進而引起上部硬脆性坡體的拉裂與傾倒,最終通過滲入水的作用,使下部承載狀況已進一步惡化了的軟弱巖體,沿剪應力集中帶發生剪切破壞而導致整個變形坡體的下滑。
  10. The results show that the acting direction of tectonic stress field since the neotectonic ( the contemporary ) age has obvious zoning characteristics under the affect of near eastwestward tectonic stress field in the large area, i. e., there is a nww compression in the north part of studied area, a nw compression in the west part, a ne compression in the east part

    結果表明,研究區在大區域近東西向構造應力場作用下,新構造期現代構造應力場的作用方向具有明顯的分區性,即北區呈近北西西向擠壓;西區呈北西向擠壓;東區呈北東向擠壓。
  11. If asphalt concrete specimen is in stabilization by exert confining stress before the static triaxial test, it is then found that under the condition that time is long enough, the volume of the specimen will shorten gradually and stable around a fixed value, and the amount of compression is essentially the half of the volume of void itself. it is also found that in stabilization by exert confining stress the linear phrase will be shorten in the figure of the static triaxial test of specimen, while the initial tangent modulus will be augment. 3

    在進行靜三軸試驗以前先對瀝青混凝土試件進行圍壓穩定,發現在時間足夠長的條件下,試件的體積會逐漸縮小,並逐漸穩定在某一定值,其壓縮量基本上為其本身孔隙體積的一半;經圍壓穩定后的試件靜三軸試驗曲線上的線性階段明顯縮短,而初始切線模量增大。
  12. Through the experimentation for the physical performance of cfpb masonry under local compression, the author has observed the deformation and failure of cfpbm. based on the mathematical statistics and regression analysis of the experimental data, the author derived a feasible and common formula for counting the cfpbm ' s local compression strength regarding the different local compression locations, analyzed stress distribution of local bearing masonry under beams end, and provided the calculating formula on effective supporting length of beam end in brick masonry. as the results of experiments demonstrate, owing to the cfpb ' s own holes " system, the beneficial effects, the bounding effect of surrounding masonry and the spread effect of force, have not developed completely

    試驗結果分析表明:由於多孔磚自身的孔洞結構,砌體內部的圍箍作用和力的擴散作用未得到充分發揮,局壓強度雖較軸心受壓強度有所提高,但仍低於同情況下實心磚的局壓強度;當有上部荷載作用時,對砌體局壓有利的懸臂卸荷作用和內拱卸荷作用均不明顯,因此在推導梁端局壓強度計算公式時,未考慮此可能存在的有利影響,計算偏安全;局壓強度提高系數公式除採用規范公式(二項式)的表達式,還用對數式進行了回歸推導,得到了一個較為普遍的公式;論文還對梁端局壓的梁端有效支承長度計算公式進行了回歸推導。
  13. The main structure stress of the car body is particularly analyzed. it is analyzed and calculated under vertical load case, lengthwise stretch load case, lengthwise compression load case, air pressure power load case, operating load case. result shows : the structure distortion harmonize, strength - weakness positions represent local stress focus

    通過對垂向載荷工況、縱向拉伸載荷工況、縱向壓縮載荷工況、氣動載荷工況和運用狀態垂向載荷工況的分析計算,結果表明:該車鋼結構變形協調,強度薄弱部位主要表現為局部應力集中。
  14. Using the general finite element programming package of ansys10. 0, the study of gabled frames beam - column end - plate connections is made, considering synthetically nonlinear ( material, geometry and contact ), bolt pretension forces and ratio of axial compression stress to strength. elastic - plastic finite element analyses are carried out among 28 species of 3 series under monotonic loads, in order to discuss the influence of parameters including stiffness of end - plate, bolt diameter, friction coefficients and so on

    本文使用通用有限元軟體ansys10 . 0綜合考慮了三重非線性(材料非線性、幾何非線性以及狀態非線性)的影響,同時考慮了螺栓預拉力的影響,對考慮端板厚度、端板加勁肋的設置、螺栓直徑、摩擦系數等參數不同的3個系列(端板系列,螺栓直徑系列,摩擦系數系列) 28個試件進行了有限元數值模擬,對連接節點的性能進行了分析研究。
  15. ( 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。
  16. 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。
  17. Numerical analysis of rock joint failure under compression - shear stress

    巖石節理壓剪破壞的數值分析
  18. Furthermore, the fruits damage will be studied from a new point of view - ? he force applied on the cells. according the structural characteristic of the plant call, a hexagon mechanical model for plant cell was proposed. then, using the mechanical theories and finite element method, the deformation, wall stress and turgor for plant cells, under compression and shear, was analyzed

    本文根據植物細胞結構的力學特點和力學原理、利用有限元方法,以二維問題為研究對象,建立了能夠描述植物細胞單體受力變形、細胞壁應力和內壓變化和便於建立宏觀植物組織力學模型的單細胞力學模型。
  19. The finite element balance equation is obtained with galerkin weighted residual procedure, and in turn, the creep and stress relaxation behaviors of articular cartilage under confined compression are numerically simulated using the designed finite element program

    具體採用伽遼金加權殘值法得到有限元平衡方程,編制了有限元程序,進而對關節軟骨圍限壓縮蠕變和應力鬆弛行為進行了數值模擬。
  20. Second, a finite element program with four nodes - rectangle element is coded. a one - dimensional problem is analyzed with this program, and in turn, the creep and stress relaxation behaviors of articular cartilage under confined compression are numerically simulated

    其次,編制了四結點四邊形單元有限元程序,分析了一維多孔柱體算例,並進而對關節軟骨圍限壓縮的蠕變和應力鬆弛行為進行了數值模擬。
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