柱的細長比 的英文怎麼說

中文拼音 [zhùdexìzhǎngbǐ]
柱的細長比 英文
column slenderness ratio
  • 的 : 4次方是 The fourth power of 2 is direction
  • 細 : 形容詞1 （條狀物橫剖面小） thin; slender 2 （顆粒小） in small particles; fine 3 （音量小） thin ...
  • 長 : 長Ⅰ形容詞1 （年紀較大） older; elder; senior 2 （排行最大） eldest; oldest Ⅱ名詞（領導人） chief;...
  • 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...
  • 細長 : tall and slender; tenuous; long and thin
  1. The stems and rhizomes were observed to differ in cortex - cell layer, perivascular fiber - ring presence, vascular cylinder and pith proportions, vascular bundle number and secondary growth and these differences were associated with their own physiological functions

    地上莖和根狀莖之間在皮層細胞層數、周維纖維柱的有無、維管柱和髓所佔比例、維管束束數、次生生長等方面存在差異，這些差異與它們各自擔負的生理功能相關聯。
  2. According to the force balance equations, the values and distributions of bond stress between steel shape flange and concrete in eccentric loading columns were established by statistically regression with experiment data. and the influence of the factors such as relative eccentricity e0 / h, the slenderness ratio l0 / h on the bond - slip properties was analyzed

    利用力的平衡方程，通過對試驗數據統計回歸，得到了偏壓柱型鋼兩側翼緣與混凝土的粘結應力的大小及分佈規律，並分析了偏壓柱長細比、偏心距對其的影響。
  3. The correlative item of 《 code for design of concrete structures 》 ( gb50010 - 2002 ) points out that when the slenderness ratio of the member is greater than 30 the method of - l _ 0may lead great error, should adopt model column method

    現行《混凝土結構設計規范》 （ gb50010 - 2002 ）條文說明指出當柱長細比大於30時偏心距增大系數方法（ - l _ 0法）會有較大的誤差，宜採用模型柱法分析。
  4. The influence of nano - al2o3 on the sintering and the properties of the si3n4 ceramics was researched in this paper. the samples with different amount of nano - al2o3 were obtained by using pressureless sintering at 1600, 1650, 1700 in the nitrogen atmosphere. the microstructure and the composition of the ceramics were determined by the means of x - ray, sem, micro - hardness meter etc. it is show that the sisty ceramics can be densified at 1650c to % percent of the theory density through the addition of nano - al2o3 ( the value could be 90 percent by other technique ). the crystalline growth of the cylindrical - si3n4 and the ratio of its longitude to its diameter are increased with the addition of nano - al2o3. a uniform microstructure and an fined crystal as well as more sialon phases can be obtained in the si3n4 ceramics through the addition of that

    實驗結果表明：在碳管爐中、氮氣保護下進行燒結，添加劑為納米al _ 2o _ 3粉末時，由於納米粉末的高活性、高燒結驅動力，在1650就可使si _ 3n _ 4完全地燒結，並使其緻密度可達理論密度的96以上（比其它工藝高6左右） ；同時，納米al _ 2o _ 3地加入大大促進了長柱狀? si _ 3n _ 4的生長和發育及柱狀晶長徑比的提高，使微觀結構均勻、細化，形成了更多力學性能優異的固體? sialon相，減少了不利於陶瓷材料性能的晶間玻璃相，凈化了晶界。
  5. Abstract : the crystal structures obtained by static solidification and vibration solidification were compared. it was showed that, in the case of vibration solidification, the orientation growth of the columnar crystal was not obvious, the equiaxial crystal appeared more early. the grains of both types of crystals were quite fine, hardness in the full section was relatively high, and the hardness distribution was uniform. in the former case, the solute segregation in dendritical austenite more severe, and there were lumps of distortion inclusion

    文摘:對球鐵金屬型靜凝固與振動凝固的結晶組織對比表明：後者柱狀晶方向性生長較弱，等軸晶出現較早，且兩者的晶粒均較細，全斷面硬度較高且分佈均勻；前者枝晶奧氏體內溶質偏析大，有畸變夾雜團塊。
  6. According to the elastic bucking theory this paper reviews and compares the calculations that such member bend around the reat axis and the hollow axis as well as bend with torsion around the hollow axis. here this paper presents a formula of calculating b used in with the h - shaped anglicizing element. meanwhile, this paper deduces out a formula of calculating b. by, which the member could be controlled to only buckle around the real axis

    本文根據彈性屈曲理論對雙肢格構式單軸對稱綴板柱繞實軸、虛軸以及彎扭屈曲進行了計算分析和比較，提出了繞虛軸側向屈曲的換算長細比_ （ oy ） = （ y ~ 2 + l ~ 2 ） ~ （ 1 / 2 ）中的值用h計算單元指出的計算公式，同時推導出了單軸對稱綴板柱只出現繞實軸彎曲屈曲的最小肢間間距b 。
  7. 20 src eccentric loading specimens were designed taking the relative eccentricity e0 / h the slendemess ratio 10 / h as the factors. according to the mechanical behavior of eccentric loading columns, unidirectional embedded electronic steel - concrete slip transfers and double - directional embedded electronic steel - concrete slip transfers were respectively placed inside these 20 specimens and electronic strain gauges were also installed on the steel shape flanges webs and concrete. the change of the mechanical behavior and interior slip of the 20 specimens in the whole process of loading was fully observed

    設計了以長細比、偏心距為主要參數的20個偏壓柱試件，根據偏壓柱的受力特性，在試件中分別放置了單向內置式鋼?混凝土電子滑移傳感器和雙向內置式鋼?混凝土電子滑移傳感器，並分別在型鋼翼緣、腹板和混凝土上布置了電子應變片，對試驗柱在受荷全過程的受力性能、和內部滑移的變化進行了細致的觀察。
  8. The parameters are measured respectively during the experimental process, such as bearing capacity, deformation, strain and so on. it concludes that when the other conditions is equal, the limit bearing capacity of the concrete filled steel tube long column subjected to axial compress is reduced along with the long diameter ratio increased

    從試驗結果可以看出：鋼管混凝土軸心受壓長柱的穩定承載力，在其他條件相同時隨長細比的增大而逐漸降低；試件在最大承載力狀態下，鋼管表面的平均縱向應變已超過鋼管的屈服應變值，破壞呈現為非彈性失穩破壞。
  9. With the development of modern engineering technology, high - strength rebar and concrete are being used universally, the cross section size of reinforced member is more and more small, and the slenderness ratio is more and more great. this trend extrude the carrying capacity and stability of reinforced concrete member obviously

    隨著技術的發展，高強鋼筋和高強混凝土在建築工程中的應用日益普遍，鋼筋混凝土構件的截面尺寸越來越小，長細比越來越大，這一發展趨勢使得鋼筋混凝土柱的承載力和穩定問題愈發地突出。
  10. The effect of different sizes of sections, modes and values of residual stresses are studied. through the analysis, the conclusion is arrived at that the universal slenderness ratio should be used to better correlate the stability of box section beams with the member length instead of the out - of - plane slenderness, and the stability coefficient is taken to be 1. 0 for practical used box girder. then, the elastic critical loads of box section beam - columns are obtained based on the gjelsvik theory, and the relationship between axis force p and moment m is given

    最後，運用ansys通用有限元程序的beam189單元，引入初彎曲和殘余應力的影響，用考慮幾何和材料雙重非線性的有限元求解格式求得箱形柱在不同軸力和彎矩比例作用下的彈塑性極限承載力，通過對十幾個不同截面尺寸構件在不同長細比下的承載力計算，發現在軸力p遠大於彎矩m時，構件將是平面外失穩控制，而當軸力p遠小於彎矩m時，構件則以平面內失穩為主。
  11. At last, we can get the limit bearing capacity formula of concrete filled steel tube long column subjected to axial compress. on the basis of the theoretical analysis, twelve samples which have four kinds of long diameter ratio are studied experimentally

    在理論推導的基礎上，對四種長細比12個鋼管混凝土軸心受壓長柱進行了試驗研究，量測了鋼管混凝土軸心受壓長柱在試驗過程中各階段的承載力、應變、縱向變形系數等。
  12. Due to the high floor height ( h = 8m ) of chongqing grand theater, it leads to slender column, the slenderness of which is great

    由於該大劇院一、二層的層高較高（ h = 8m ） ，形成了長細比較大的細長柱。
  13. Two types of methods ( slice method and simple method ) for bearing capacity calculation are presented, and the theoretical results conforms well with the experiment results

    同時在此基礎上分析了長細比、含角鋼率、含碳纖維布率和偏心距等因素對復合加固偏壓柱力學性能的影響。
  14. ( 3 ) the static load tests of 18 steel reinforced concrete columns with different ratios of length to thickness under axial compression were carried out, which provide reliable grounds for the design of this kind of members

    3 、為填補空白，完成了18根不同長細比的型鋼混凝土軸心受壓柱靜力荷載試驗，為這類構件設計提供了可靠的試驗依據。
  15. The inelastic finite element solution considering both large - deflection and plastic extension is used to analyze eccentric - loading columns in this paper. the stability capacity of different slendemess ration and eccentricity are calculated, the residual stresses and their influence upon the steel eccentric - loading columns are emphasizedly discussed, at the same time ten steel columns were achieved

    本文採用大變形和塑性擴展的兩重非線性有限元方法進行偏心受壓柱子的全過程模擬，分析不同的長細比、不同的偏心率情況下柱子的穩定性能，並著重討論殘余應力對柱子承載能力的影響，完成了10根試件的試驗。
  16. The results of the study demonstrate that under the condition of the same slendness ratio, the stability factor of axially compressed medium long concrete filled steel tube column has no relation with peak stress of the core concrete, instead, the factor will depend on peak strain of the concrete

    研究結果表明，在長細比相同的情況下，鋼管混凝土軸壓中長柱的穩定系數與核心混凝土的峰值應力無關，而取決于核心混凝土的峰值應變。
  17. The cold - formed square hollow section columns are widely used in various structures such as building structure, trusses, space frames and offshore plates etc. this paper is mainly doing the research on load carrying capacity of the cold - formed square hollow section columns under axial load, the paper includes the following main contents : ( 1 ) an elastic buckling stress for cold - formed square hollow section is presented by finite element analysis, and is compared with the result given by classical elastic buckling theory ; ( 2 ) the elastic - plastic non - linear behavior of the cold - formed square hollow section columns analyzed by ansys is presented ; ( 3 ) by using material model, and geometry nonlinear analysis, the cold - formed effect to stub columns of cold - formed square hollow section is studied ; ( 4 ) by using an material model, the geometry nonlinear analysis, the influence of initial geometrical imperfection to stub columns of cold - formed square hollow section is also analyzed ; ( 5 ) the load carrying capacity of the cold - formed square hollow section columns, which are including the cold - formed effect and influence of initial geometrical imperfection is analyzed by non - linear finite element, and the theoretical analysis results are compared with the results of experimental study and the results calculated by specification gb50018 - 2002

    冷彎方管作為軸心壓桿廣泛用於房屋結構、桁架、網架、塔架以及海洋平臺等結構中，本文主要研究軸心受壓冷彎方管的承載力性能，內容主要包括以下一些： （ 1 ）對冷彎方管的彈性臨界應力進行有限元分析，並與經典理論結果進行對比，以驗證有限元程序的適應性； （ 2 ）闡述冷彎方管採用有限元彈塑性非線性分析理論及應用ansys軟體的非線性分析方法； （ 3 ）採用彈塑性模型，考慮幾何非線性及材料非線性，對不同寬厚比的軸心受壓冷彎方管柱的冷彎效應進行有限元非線性分析研究； （ 4 ）考慮冷彎效應對屈服應力的影響，對不同寬厚比的軸心受壓冷彎方管短柱在不同初始變形下的承載力性能進行有限元非線性研究； （ 5 ）考慮冷彎效應、幾何初始變形，對不同長細比和不同寬厚比的軸心受壓冷彎方管長柱的承載力性能進行有限元非線性研究，並與試驗結果以及我國現行規范gb50018 ? 2002計算結果進行對比分析。
  18. By the summarizes and the whole analysis with the experimental results of the 20 specimens, the slip - distributions on tensile and compressive side of steel shape flange were obtained and the influence of the factors such as relative eccentricity e0 / h the slendemess ratio 10 / h on the bond - slip properties was further studied

    根據20個偏壓柱滑移的測試結果，進行綜合分析和歸納，基本得到了型鋼拉、壓側翼緣滑移的分佈規律，並進一步以偏壓柱長細比、偏心距為主要參數，分析了其對粘結滑移性能的影響。
  19. The main contents are followed below : ( 1 ) for the aim of knowing the characteristics of main factory building structure frame columns of large - scale thermal power plants, nine high strength concrete frame columns with high axial compression ratio and six slender ordinary strength concrete frame columns with high axial compression ratio were tested under low reversed cyclic horizontal loading for the very first time, and thus the influencing factors of normal section bearing capacity, such as concrete intensity grade, axial compressive ratio, slendemess ratio, the type of stirrups and stirrup ratio, etc, the anti seismic deformation capability of frame columns were acquired

    本文主要研究的內容有： （ 1 ）首次針對火電廠主廠房結構框架柱的特點，對9個高軸壓比高強混凝土框架柱和6個高軸壓比普通混凝土框架長柱進行了低周反復水平加載試驗，獲得混凝土等級、軸壓比、長細比、配箍形式及配筋率等對框架柱的抗彎及抗剪承載力、抗震變形能力的影響因素。
  20. An elastic - plastic and geometrically nonlinear finite element method is developed to analyze ultimate strength of h - shape steel columns under axial compressive loading. initial imperfections including residual stress due to hot - rolled and initial overall deflections of columns are considered. an experiment study of 21 h - shape steel columns with slenderness parameter of ranging from 40 to 120 is conducted to verify the theory results

    本文通過彈塑性和幾何非線性的有限單元法理論分析，在長細比范圍在40 ? 120的21根國產h型鋼軸心受壓柱的承載力試驗中進一步證實了這一理論的合理性和有效性。
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