延性比 的英文怎麼說

中文拼音 [yánxìngbǐ]
延性比 英文
ductility ratio
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  1. It can be seen from the results that the control beam had good plastic property in the static failure experiment after two million fatigue loading circles. all specimens with corroded main bars were failure under the fatigue loads within one million fatigue circles. fatigue lifespan of reinforced concrete beam was sharply shortened after main bars corroded in it and the beam was destroyed bristly without any prediction

    試驗結果表明，振動測試不能夠對銹蝕鋼筋混凝土梁的疲勞破壞做出可靠的預測;對比梁在經過200萬次疲勞循環加載后的靜力試驗中仍表現出良好的延性破壞特徵;銹蝕梁在100萬次疲勞循環內均因主筋疲勞斷裂而破壞;主筋銹蝕使得梁的疲勞壽命急劇縮短;梁發生脆性破壞而沒有徵兆。
  2. Moke and fmr studies were performed on epitaxial single crystalline fe ph. d thesis ; investigations of magnetic properties on magnetic thin, ultrathin and patterned films ultathin films on iii - v semiconductor inas substrate with thickness of 8 - 25monolayer ( ml ). the major findings are listed below : ( 1 ) the in - plane magnetic crystalline anisotropy of film with 8 - 25 ml thick are four - fold anisotropy, and the in - plane unixial anisotropy of fe / inas films decreses faster with thickness than that in fe / gaas films. it could be explained that the stain relaxation of fe / inas films is also faster than that in fe / gaas films as indicated by leed

    對于外延生長在inas襯底上、厚度為8 - 25ml的超薄fe單晶膜進行了鐵磁共振和磁光研究，獲得以下幾點結果： （ 1 ）膜厚在8 - 25ml之間時，薄膜面內的磁晶各向異性為四度對稱各向異性，垂直單軸各向異性比同厚度的fe gaas系統小許多，而立方各向異性則比fe gaas系統更接近bcc結構的fe 。
  3. Here the hsc of sompa is achieved through adding super - effective water reducer, fined slag and silicon fume, and decreasing the water / cement ratio. by varying the area ( spacing ) of tension bars, compressive bars, vertical links and distribution steel and embedding steel fiber and polypropylene fiber we try to improve the behaviors of reinforced high performance concrete one - way spanning slabs in bending, so that its ductility be greater than 5. with the same arrangement of steel the width of bending member is varied to observe the effect of the width / depth ratio on the ultimate compressive strain of concrete

    通過變化受拉筋含筋率和受壓筋、箍筋（鉤筋、分佈筋）含量，或摻加纖維使之成為鋼纖維高強混凝土（ sfrhsc ）和聚丙烯纖維高強混凝土（ pfrhsc ） ，對高強混凝土雙筋截面梁、板的受彎性能進行了試驗研究，試圖改善高強混凝土受彎構件的延性，使其延性比大於5 ；並在相同配筋情況下，通過變化截面寬度，研究了高強混凝土受彎構件的寬高比對壓區混凝土極限應變的影響；並對試驗構件的裂縫發展情況進行了觀測。
  4. In this thesis, four types of steel beam - rectangular cfst column connections, including normal welded flange plate ( wfp ) connection, bolted flange plate ( bfp ) connection, stiffened end plate ( sep ) connection and double split - tee plate ( dst ) connection, were designed based on the configuration of steel frame connection. total 8 models, 2 models of each kind of connections were tested under low - reversed cyclic loading at the end of cfst columns. the relationships between force and displacement at the end of columns, the relationships between the moment and rotation of the joints, degradations of strength and stiffness, ductility, failure mechanism and failure characteristics of these four connections under different axial - compression ratios were presented

    本文借鑒鋼框架節點構造，設計了四種類型矩形鋼管混凝土柱與鋼梁連接節點，包括常規栓焊（ wfp ）節點、翼緣全螺栓連接（ bfp ）節點、雙t板連接（ dst ）節點以及加勁端板連接（ sep ）節點，進行了四類節點8個模型試件在柱端低周反復荷載作用下的抗震性能試驗研究，比較了不同軸壓比下節點的滯回性能、強度與剛度退化、延性、破壞機理與破壞特徵，主要結論有： 1 、節點的位移滯回曲線與轉角滯回曲線為塊型分佈，沒有或略有捏攏現象，耗能能力強； 2 、軸壓比對節點滯回曲線有顯著影響，全部節點都有顯著的剛度退化； 3 、位移與轉角骨架曲線在峰值荷載後有較長的水平或下降段，具有良好的延性性能； 4 、從整體抗震性能上看，翼緣全螺栓連接節點、雙t板連接與加勁端板連接節點都優于常規栓焊節點，可在實際工程中加以推廣。
  5. 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力下降，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極限應變的影響不明顯；受彎構件的裂縫間距受箍筋（鉤筋、分佈筋）的布置影響；文中所用的承載力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。
  6. Test and analysis results indicate that some little polypropylene fiber in cement concrete can not only reinforce the load _ carrying capacity and rigidity, but also control the crack width and strengthen the ductibility of beams

    對比分析結果表明，適量聚丙烯纖維的摻入能夠提高梁的承載能力和剛度，並能限制裂縫寬度，增加梁的延性。
  7. Similarly, according to the deformation mechanism of ebsf and the virtual work theory, the influence of three different active beam links on the terminal carrying capacity, stiffness and ductibility of ebsf is deducted

    同樣，根據偏心支撐框架的幾何變形機制，應用虛功原理，重點推導並分析比較了分別採用d型、 k型或者v型支撐時對結構的極限承載力、彈性剛度以及延性的不同影響。
  8. According to the basic theory of the cement concrete and the properties of polypropylene fiber, the calculating formulas about beam for the normal section load _ carrying capacity and rigidity and ductibility are presented based on " the design code of concrete structure " ( gb50010 - 2002 )

    參照普通砼的基本理論，結合聚丙烯纖維砼的性能特點，在《規范》的基礎上得到了單筋矩形截面梁正截面承載力、剛度和延性的計算公式，並與試驗結果對比吻合較好。
  9. Comparison including the cracking, yielding and ultimate loads of the beam, load - displacement curve, envelop curve, the ductility and energy - dissipation capacity were made between the response of the specimens before and after strengthening. test results indicated that the yielding loads of the specimens after strengthening were improved from 12. 3 percent to 17. 2 percent and the improvement of specimens rehabilitated by jacketing was higher than that of the bonding steel plates one

    加固后試件破壞同樣發生在梁端，屈服荷載比加固前提高12 . 3 17 . 2 ，與粘鋼加固相比，加大截面法加固的試件承載力提高幅度較大；加固后試件的延性和耗能性能比加固前有很大的改善，其中以粘鋼加固的試件提高最為明顯。
  10. Predictions were made on the ductility of the joint core when shear compression ratio, reinforcement contant and axial force ratio were different

    進一步利用jap程序預測了不同剪壓比，不同配筋特徵值及不同軸壓比條件下節點區的延性變化規律。
  11. Its hysteretic curve is plumper, its ductility coefficient and energy dissipation capacity have been improved remarkably. the inclined staff of the steel bar truss has a restraining faction to the development of the crack, and the phenomena is that there has more crak and larger distributing area on the shear wall, which is an important token of the improved seismic capacity. concealed steel bar truss has the faction of increasing the height of plastic hinge area, which is another important token of

    研究結果表明:內藏鋼桁架高剪力墻與普通高剪力墻相比:屈服荷載和極限荷載均比顯著提高;屈服剛度明顯提高;其滯回環相對飽滿，延性系數及耗能能力顯著提高;內藏鋼桁架高剪力墻，其鋼桁架斜桿對裂縫發展有控製作用，現象是墻體上的裂縫較多、分佈域較廣，這是抗震耗能能力增強的重要表徵;內藏鋼桁架高剪力墻有增大底部塑性耗能區域的作用，這是抗震耗能能力增強的另一重要表徵;內藏鋼桁架還有顯著提高抵抗剪力墻基地剪切滑移能力的作用。
  12. The properties of cavity sandwith panel infill steel frame, such as hysteresis characteristics, stiffness, ducfility, failure models and characteristic of dissipation of energgy were gained in the test and compared with ordinary steel frame. the properties of cavity sandwith panel infill is abtained as well. 2

    通過試驗得出了空腔砌塊復合墻體鋼框架在低周往復荷載作用下的p -滯回性能、剛度關系、延性系數、破壞形式及耗能性能等特性，並與相同尺寸的一榀純框架的相關特性作了對比分析。
  13. The influences of different reinforcement style of the concealed bracings and different span - height ratio of lintel beams on bearing capacity, stiffness and deterioration process, ductility, hysteresity capacity, energy dissipation and failure features of coupled shear wall were studied through experiment of 7 specimens under low cyclic loading

    通過7個結構試件在低周反復荷載作用下的試驗，研究了不同暗支撐配筋形式、不同連梁跨高比對雙肢剪力墻的承載力、剛度及其衰減過程、延性、滯回特性、耗能、破壞特徵等方面的影響。
  14. At present, the research of special - shaped columns is pool in the world and the research of r. c special - shaped columns with concealed column and arbitrarily inequiaxial r. c special - shaped columns is less. the theoretical research of ductility of the two types of special - shaped columns is processed and the designed compression ratio is determined in the article. a method of theoretical research of curvature ductility is put forward on the basis of existed research documents of special - shaped columns

    國內外都有關于異形柱方面的研究文獻，但多集中在普通異形柱方向，而對帶暗柱的異形柱和不等肢異形柱的研究較少，即使涉及到這兩個領域，但都是很膚淺的一些研究，本文將對這兩種異形柱的延性性能進行理論研究並確定它們的設計軸壓比限值。
  15. Simultaneity, through contrast analysis validate that antiseimic capacity of expansion web is better than that of steel web. therefore, based on the experiences summed up by precedence, the formulation for calculating the crack load and limit load of brick masonry house reinforced by expansion web is advanced, which provides project reference. based on the analysis and studies of masonry shearing strength, test of prestressed single brick masonry wall, and test of prestressed brick masonry house models, and ect, the article has carried through several aspect research as below : 1. a series of experiment on material capability of expansion web, including intensity of single thread and expansion web, ect ; 2. research on influence of loading and destroy of masonry brick building reinforced by expansion web under lowcyclic loading ; 3. study of impact of expansion web on ductility, energy dissipation, intensity, ect under the same situation as above ; 4. put forward computation formulation of masonry brick building reinforced by expansion web

    本著以上的研究目的，本文在分析和借鑒前人砌體抗剪強度理論、預應力單片墻試驗研究、預應力模型抗震性能試驗研究等基礎上，進行了以下幾方面的研究工作: 1 .作為一種新型結構材料擴張網，進行了一系列的材性試驗（單絲強度、網片強度和在砂漿中被約束條件下的網片強度及其相應的彈性模量） ； 2 .研究了水平荷載往復作用（低周交變）下，普通鋼絲網和擴張網砂漿對砌體結構抗裂及承載能力和破壞形態的影響，並將這兩種材料的加固效果進行了對比； 3 .上述狀態下，兩種網片水泥砂漿對砌體結構變形、延性、耗能、剛度退化等抗震性能的影響及其影響效果的比較； 4 .提出擴張網水泥砂漿加固砌體結構的抗剪強度計算建議公式。
  16. And so on, to understand the influence for the m - relation curve of special - shped column rection with considerd the sliding of reinforcement anchoring. and compared the results to rectangle rection, analyzed the effect with the ductility of the special - shaped column by the factor referd ahead

    通過改變荷載角、軸壓比、混凝土強度等級等參數，來深入了解考慮粘結滑移后對異形柱截面彎矩?曲率關系的影響，並分析了上述因素對異形柱截面延性性能的影響。
  17. The ductility ratio is a index of measuring the ductility of material, section and member. the ratio is bigger as the ductility is better

    延性比是度量材料、截面或構件延性的一種指標，延性比越大說明材料、截面或構件的延性越好，反之，延性越差。
  18. When the reinforcement is suitable, the yield state of member is similar, the ultimate state will change with the changes of p, fy and fc

    但上述岡素對截面極限曲率的影響很人，即關繫到構件截面的破壞形態（截面延性比的大小） 。
  19. In this paper, the ductility of steel bar is expressed by ductility ratio b, the figure of dividing ultimate strain by yield strain. the ductility of section is expressed by ductility of section ratio, the figure of dividing ultimate curvature by yield curvature. the displacement ductility is expressed by displacement ductility ratio, the figure of dividing ultimate displacement by yield displacement

    論文中鋼筋延性採用鋼筋延性比b來表示，即極限應變與屈服應變的比值；構件截面延性採用截面延性比來表示，即極限曲率與屈服曲率的比值；構件位移延性採用位移延性比_來表示，即極限位移與屈服位移的比值。
  20. By taking axial compression ratio, local angle, stirrup space, the ratio of stirrup and etc. into consideration, the author studies the displacement ductility ratio for speical - shaped columns such as l shape, t shape and t shape

    摘要通過考慮不同軸壓比、不同加載角度和不同配筋率等情況，對異形柱位移延性比進行了研究。
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