梁的撓曲 的英文怎麼說

中文拼音 [liángdenáoqū]
梁的撓曲 英文
beam deflection
  • 梁 : 名詞1 （屋架中架在柱子上的長木） beam 2 （通常也指檁） purlin 3 （橋） bridge4 （物體中間條狀隆起...
  • 的 : 4次方是 The fourth power of 2 is direction
  • 撓 : 動詞1. （輕輕地抓） scratch 2. （擾亂;阻止） hinder 3. （彎曲,比喻屈服）yield;flinch:不屈不撓indomitable; unyielding
  • 曲 : 曲名詞1 （一種韻文形式） qu a type of verse for singing which emerged in the southern song and ji...
  1. And results are : ( 1 ) analyze the force and distortion on pipeline under collapse and gulch in theory. on the base of beam deformation, analyze the bending moment and deformation of pipeline with frusta and without frusta. calculate a true problem, contrast the differences between pipeline with frusta and one without frusta, draw some conclusions

    得到的主要結果為： （ 1 ）基於彈性地基理論和彈性梁的撓曲線理論，給出了管道在固定墩（相當跨越河溝情況）和無固定墩（相當坍塌和沖溝情況）的變形微分方程，並分析了當量軸力為拉力或壓力時管道的變形和受力情況。
  2. First, using strip - partitoning method and programming in matlab language, the numerical caculations of the relation curve between moment and curvature are done for the beams strengthened with non - prestressed and pretressed cfrp sheets, base on the assumption of plane section, non - bonding slip and non - peeled destroy. secondly, nolinear finite elemeant analysis by ansys are done for the beams strengthened with prestressed cfrp sheets base on the three assumptions before mentioned, the analysis are all done for the relation curve between load and displacement, the distribution of material stress, the distribution of cracks. lastly, calculation formula of flexural capacity and deflection are proposed

    ）的全過程關系曲線。其次基於上面的三個假定，選擇合理的本構關系，利用ansys通用有限元分析程序對預應力碳纖維布加固梁進行非線性有限元分析，分析了加固梁的荷載-撓度關系、材料的應力情況、裂縫的分佈情況等。最後提出了承載力計算公式和正常使用狀態下撓度計算公式。
  3. As the percentage of flexible space structures and the requirement for control accuracy continuousely increase, the control of flexible space structures is increasingly important. focusing on the problem of vibration control of clamped beam, the thesis studied the application of wave absorbing theory to the vibration control

    隨著空間結構中的撓性結構的比重的不斷增加和軌道、姿態控制精度要求的不斷提高，使撓性結構振動控制日益重要，本文針對懸臂梁的彎曲振動控制問題，研究了波吸收器在振動控制中的應用。
  4. According to eigenvalue equation ( general formula ) of the energy method of the plane steel frame structure stability, and considering the restriction of the end of the column of the main steel frame and function of deflection curve gained from the differential balance equation general resolution, we get the equation for calculating the length coefficient of the main frame structure stability of the steel arch gate and the resolutions are also given

    根據平面剛架穩定性能量法特徵值方程（通式） ，考慮弧形鋼閘門主框架柱的柱端約束的特殊情況，求出撓曲線函數（試解函數）通解，得到弧形鋼閘門主框架柱穩定性計算長度系數方程。其中弧門主框架主橫梁式形框架的臨界荷載比較現行規范推薦的有限元法簡單方便、結果精確及物理概念明確等優點。
  5. In the hogging condition, double bottom and the side shell remain the ultimate bucking strength, deck and upperwing tank remain the yield stress, and the other parts keep elasticity. then the key to calculate the ultimate strength of ship hull girders is to ascertain the ultimate bucking strength of the stiffened panels. in this regard, the developed formulation is designed to be more sophisticated than previous simplified theoretical method for calculating the ultimate strength of stiffened panels under combined in - plane bending and lateral pressure. fabricatio n - related initial imperfections ( initial deflections and residual stresses ) are included in the panel ultimate strength calculation as parameters of influence. all possible collapse modes involed in collapse of stiffened panels, including overall buckling collapse, column or beam - column type collapse, tripping of stiffeners and local bukling of stiffened web are considered

    確定了船體梁整體破壞時的剖面應力分佈之後，關鍵在於確定板架的極限屈曲強度。本文充分考慮了在縱向彎曲、橫向壓力作用下加筋板可能發生的幾種破壞模式，即板架的整體屈曲破壞、樑柱形式的破壞、筋的側傾、腹板的屈曲並同時考慮了初始焊接殘余應力、初撓度的影響，使其更精確的計算加筋板的屈曲強度。對于加筋板中加強筋腹板的局部屈曲，採用解析法推導出筋的腹板的撓度方程及其邊界條件，求解相應的方程，從而計算出腹板的局部屈曲應力。
  6. As regards to the spheric thin shell structure under external hydro static pressure, basing on flat - plate theory and by using basic von karman equations for large deflection, the equilibrium problem of axisymmetric bending of the spheric shell under uniform external pressure is simplified to an equilibrium problem of bending of elastic basic flat - plate and further converted into an equilibrium problem of beam on elastic fundation taking into consideration of the deformation characteristics

    對球形薄殼結構隨靜水外壓的情況，應用平板理論中的vonkarman大撓度基本方程，將球形薄殼在均勻外壓下的軸對稱彎曲平衡問題簡化為彈性基礎平板的彎曲平衡問題，進而再根據變形特點將其轉化為彈性基礎梁的復雜彎曲平衡問題。
  7. Testing sprayed concrete - flexural strengths first peak, ultimate and residual of fibre reinforced beam specimens

    檢測噴射混凝土.纖維鋼筋梁的撓曲強度第一峰最後和殘余
  8. The mathematic model of the ultra - thin spherical mirror is to be treated as elastic thin shell. then the predigested model, i. e., bended beam, used in qualitative analysis was proposed, and its deflection and stress formulas under the freely supported condition were set up. based on an off - axis aspherical primary mirror, the relationship of aspherical surface error ( rms ) in tangential plane with bended beam ’ s radius r, position s of concentrated load p and geometry length l of arc was analyzed

    根據這一設想，本文建立了超薄鏡的數學模型?薄殼，並提出了強制力作用下超薄鏡的簡化模型?曲梁，推導了曲梁在簡支情況下受力變形的撓度公式，並結合一個實例，計算出曲梁變形后與所需非球面的面形殘差（ rms ）在子午方向與曲梁弧長l 、曲梁半徑r及集中力位置s的關系及滿足面形精度的r和s范圍，分析了弧矢方向的rms ，得出了同時滿足子午和弧矢方向面形要求的l 、 r和p 。
  9. On the basis of relative researches in the world, according to the study status of steel - concrete composite slab, which would be widely used in modern bridge, modified equivalent inflexibility of steel - concrete composite slab was deduced by use of conversion section principle in this paper ; based in this, this paper put forwards the theory of ultimate flexural capacity of steel - concrete composite slab in consideration of slip effect, and introduces the practical simplified method for calculating flexural deformation of steel - concrete composite slab in consideration of the effect of steel studs and welded wire, and conclude that the methods in this paper is veracious and reliable, comparing with the traditional calculating mode ; morever, this paper put forwards the calculating theory and program of the effect analysis of creep and shrinkage to steel - concrete composite slab, using conversion elastic modulus principle, and testifies that the theory is right and the program is reliable and practical

    本文在國內外研究成果的基礎上，針對壓型鋼板與混凝土組合板結構在現代橋梁建設中廣泛應用前景和研究現狀，利用換算截面法導出了壓型鋼板與混凝土組合板結構的修正等效慣性矩；在此基礎上，又推出了考慮壓型鋼板與混凝土之間的相對粘結滑移影響的壓型鋼板與混凝土組合板結構極限抗彎承載能力計算理論，並介紹了考慮栓釘、聯結件影響的壓型鋼板與混凝土組合板結構簡化實用撓曲變形計算公式，而且通過與傳統計算理論的分析比較，表明本文提出的計算理論公式的準確可靠性；此外，採用換算彈性模量比法著重提出了壓型鋼板與混凝土組合板結構的徐變、收縮效應分析的計算理論和程序，並通過實例分析計算證明了理論的正確性、程序的可靠性和實用性。
  10. As soon as the normal section cracks, the crack firstly appears in the flexural region. at this moment, the load - deflection curve has a turning point. with the increase of the load, the rigidity of the beam decreases compared with that before cracking because of the development of cracks in flexural region, and the formation and development of diagonal cracks toward the loading point, the load - deflection curve is basically linear till the beam fails

    正截面開裂前，荷載撓度曲線基本為線性，截面剛度較大；正截面開裂時，裂縫先在純彎段出現，荷載撓度曲線出現轉折點，隨著荷載的增加，純彎段正裂縫的發展以及剪跨段斜裂縫的產生並向梁的受壓區加荷點發展，使梁的剛度較截面開裂前減少，荷載撓度曲線也基本為線性直到梁破壞。
  11. In this thesis, it is analyzed theoretically the steel bar layout pattern, the prestress loss, the concrete stress, and the discipline of the deformation and the fracture forming of structures of the partial prestress concrete frame beams, which is widely used in modern civil engineering

    本文從理論上分析了現代建築工程中廣為採用的部分預應力混凝土框架梁的布筋方式、預應力損失、混凝土應力、結構變形和開裂規律；導出了具有一般意義的預應力錨固損失以及梁的長期撓曲變形計算公式。
  12. Five prestressed concrete testing beams were designed with different reinforcing distance. based on experiments of frp prestressed concrete beams, failure pattern 、 load - deflectioncurve 、 stress increasing and so on are studied systematically

    設計了五根不同加固距離的試驗梁，對試驗梁的受力過程、破壞形態、荷載-撓度曲線、纖維筋應力增量等進行了詳細分析。
  13. The load - displacement curves and moment - curvature curves that calculated from the full - course analysis program are in accordance with the resuits of experimental especially in prime period of ioad presents the program is avaiiable

    試驗和全過程分析得到的荷載-撓度曲線對比表明：在加載前期兩者的曲線吻合較好，證明全過程分析能反映碳纖維加固梁的受力特點及程序的正確性。
  14. Then, by analyzing the extensive test data of load - displacement and bear - curvature, we can conclude that the crack resistance, bearing capacity of normal section and short - dated rigidity will be improved a lot when the strength of concrete is not so low

    然後，通過對各組試件的荷載-撓度曲線的進一步分析表明：對于混凝土強度等級高於c15的鋼筋混凝土梁，採用這種粘角鋼加固法能有效提高鋼筋混凝土梁的正截面承載力和短期剛度。
  15. At first, the experiment carried out by tianjin university has been analysed according to the " nonlinear balance trying calculation " method, and the values of yield load and ultimate load agree with the test result better, and the curve of bending moment - curvature, bending moment - deflection can agree with the results. the second, the simplified formula for evaluation the ultimate flexural capacity of cfrp strengthened rc members is presented according to the three probable failure modes ( compression failure ; cfrp rupture ; crushing of the concrete in compression before yielding of the reinforcing steel ). it is applicable to both singly and doubly reinforced rectangular sections, as well as flanged sections

    首先利用鋼筋混凝土非線性平衡試演算法對天津大學試驗進行了理論分析，所得分析值與試驗結果相比，加固梁的屈服荷載、極限荷載能夠很好地吻合，彎矩曲率關系曲線及彎矩撓度關系曲線較為吻合；其次，為了滿足實際工程的需要，根據碳纖維布加固構件可能發生的三種破壞形態（壓區混凝土壓碎破壞、碳纖維布拉斷破壞以及受拉鋼筋尚未屈服時壓區混凝土已壓碎破壞） ，區別三種鋼筋混凝土構件截面形式（單筋矩形截面、雙筋矩形截面、 t形截面） ，分別給出了碳纖維布加固混凝土構件抗彎承載力的簡化計算公式和適用條件，並進一步探討了這三種截面形式下進行加固設計和復核的步驟。
  16. Through the experimental and theoretical analyzing results, the conclusion can be summarized as follows. 1 ) the yielding load and ultimate bearing capacity of the beam are not affected by the value of the load under that load the cfrp sheets were retrofitted, but the value will affect the stiffness of the beam, especially the average tangent stiffness after rebar yielding. 2 ) the stiffness of cracked beams retrofitted with cfrp sheets is larger than that of the normal rc beams

    通過試驗結果分析發現，採用cfrp加固的鋼筋混凝土梁的剛度較普通鋼筋混凝土梁的剛度有明顯提高，纖維布對承受以抗彎為主的構件具有增強剛度、控制撓度的作用；纖維加固時梁所承受的荷載大小，即加固時梁內已存在的彎曲裂縫的寬度對梁的屈服荷載及極限承載力影響不是很大，但對梁的剛度有較大影響，特別是對縱筋屈服后的剛度影響較大。
  17. Bbr bitumen and bituminous binders - determination of the flexural creep stiffness - bending beam rheometer

    瀝青和瀝青粘合劑.撓曲蠕變剛性的測定.彎曲梁粘質流速計
  18. Bitumen and bituminous binders - determination of the flexural creep stiffness - bending beam rheometer ; german version en 14771 : 2005

    瀝青和瀝青粘合劑.撓曲蠕變剛性的測定.抗彎梁粘質流
  19. Methods of test for ancillary components for masonry - part 9 : determination of flexural resistance and shear resistance of lintels

    圬工輔助成份試驗方法.第9部分:梁的耐撓曲和耐剪切性測定
  20. The initial strain must be the optimum value obtained by multiple - trial method. 5. in the static analysis of the bridge model under live load, assuming a shifting concentrated load on the girder, analyzing the relation map of each section deflection and the location of the concentrated load, finishing the load - on of the worst - case live load, then the moment and deflection envelope diagrams of the girder were obtained

    成橋模型建立后，在後續活載作用下的靜力分析必須首先在主樑上作用移動集中荷載，分析主梁各斷面的活載撓度與集中荷載作用位置關系曲線圖，完成最不利活載的加載，從而最後得到懸索橋主梁的彎矩包絡圖及撓度包絡圖。
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