正彎矩 的英文怎麼說

中文拼音 [zhēngwānjǔ]
正彎矩 英文
positive bending moment
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 彎 : Ⅰ形容詞（彎曲） curved; bent; crooked; flexuous; tortuous Ⅱ動詞1 （使彎曲） curved; bend; flex 2 ...
  • 矩 : 名詞1. （畫直角或正方形、矩形用的曲尺） carpenter's square; square2. （法度; 規則） rules; regulations 3. [物理學] moment
  1. In light of the elastic thin plate theory, the author induced equilibrium differential equation of bi - direction cellular slab, which was proved correct through analysis and comparison to result of ansys to with theoretical calculation. through the deflection and bending moment coefficient calculation of bi - direction cellular slab under various boundary conditions, the author brought forward the theory that the deflection of mid - span and bending moment coefficient calculation of mid - span and support of bi - direction cellular slab could be in accordance with solid plates ", which could satisfy the precision of engineering

    本文根據彈性薄板理論，導出了雙向空腹板的平衡微分方程，並通過理論計算和通用有限元程序ansys結果對比，驗證了其正確性；通過對各類邊界條件下雙向空腹板撓度和彎矩系數的計算比較，本文提出：雙向空腹板跨中撓度及跨中、支座彎矩可使用本文空腹板剛度公式查找現有的實心板撓度彎矩系數表進行計算，完全能滿足工程精度要求。
  2. The actual stress is not proportional to the bending moment.

    實際上應力與彎矩不成正比。
  3. Abstract : it presents the law of “ the reverse is positive ” on how to evaluate the unknown force of statically determinate structure, the movement law of force vector for drawing the axial force diagram and shear diagram. and expounds the simple and convenient method of drawing the moment diagram according to the rubber band deformation, and the auxiliary teaching software corresponding to the above - mentioned methods. the methods are believed to save class hour and gain a better effect on teaching

    文摘:闡述了求靜定結構未知力的反為正規律；繪制軸力圖、剪力圖的力矢移動法則；按照橡皮筋變形繪彎矩圖的簡便作法以及與上述方法對應的計算機輔助教學軟體.相信這樣作，對教學可起到省課時、效果好的作用
  4. Therefore, the safety of bulk carrier is widely concerned ; the theory of insubmersibility is followed by the introductions of domestic and international regulations, solutions, rules and requirements on the floodability ; introduced are the conditions of hold in flooded condition, and provided are the calculation methodology of the stability and buoyancy when flooding. the concept of cargo permeability is concretely defined, and the calculation methods of the amount of flooding waters are executed ; the application of the influence numbers simplify the calculation of the still water bending moment and shearing force in flooded conditions. a new method to calculate the maximum still water bending moment and shearing force is developed by means of the influence numbers ; the simulation system provides a means of evaluation and forecast on ship ' s danger extent after ship is damaged

    在抗沉性公式的推導過程中採用一些假設，並分析了這些假設對結果的影響；然後介紹了船舶強度的概念和計算方法，鑒于現有的剪力彎矩計算方法工作量大、效率不高的缺點，引用影響數計算船舶進水后的剪力和彎矩；最後根據船舶抗沉性理論對散貨船破艙進水進行模擬，在模擬中根據船舶破艙的實際危險情況，採用直觀的圖形輸入的辦法，判斷船舶的危險程度並計算船舶到達危險狀態的時間以助於船長做出正確快速的決策。
  5. Study on revising slab ' s moment influenced by beam - to - slab relative stiffness

    梁板相對剛度對現澆板彎矩影響的修正研究
  6. On the basis of the concept of combination of action effects of modem prestressed concrete structures proposed by the authors, the ultimate limit states design proposals of normal section of prestressed concrete structures considering the effects of secondary moment and secondary axial force are presented in the paper

    在作者提出的現代預應力混凝土結構設計荷載效應組合建議的基礎上，給出了合理考慮次彎矩和次軸力影響的各類預應力混凝土結構正截面極限強度設計計算建議。
  7. Abstract : on the basis of the concept of combination of action effects of modem prestressed concrete structures proposed by the authors, the ultimate limit states design proposals of normal section of prestressed concrete structures considering the effects of secondary moment and secondary axial force are presented in the paper

    文摘:在作者提出的現代預應力混凝土結構設計荷載效應組合建議的基礎上，給出了合理考慮次彎矩和次軸力影響的各類預應力混凝土結構正截面極限強度設計計算建議。
  8. The main achievements of this thesis are as follows : l. the effect of the frp reinforcement ratio on cracking moment is analyzed. the calculating method and corresponding calculating formulas of flexural cracking moment of frp reinforced concrete beam are put forward

    分析了纖維增強塑料筋配筋率對纖維增強塑料筋混凝土梁正截面開裂彎矩的影響，提出了纖維增強塑料筋混凝土梁正截面抗裂度的計算方法和相應的計算公式。
  9. Furthermore, combining with the real disfigurement of kejiadun bridge, the paper raises the plan of reinforcing in the parts of positive and negative bending moment

    在此基礎上，結合柯家墩大橋的實際病害，提出在橋梁正彎矩區、負彎矩區均進行碳纖維加固的方案。
  10. The laws of internal force distributing of this floor is summarized, such are : ( 1 ) structure as “ orthotropic slabs ” ; ( 2 ) abnormity of internal force distribution ; ( 3 ) greatly changing grads of negative bending values

    總結了該樓蓋結構的內力分佈規律，即: （ 1 ）構造上為「正交異性板」 ; （ 2 ）板的內力分佈不均勻; （ 3 ）板的負彎矩值變化梯度大。
  11. According to the design theory of the cable - stayed bridge and to the feature of the cantilever construction the authors propose a construction control method called optimum completion state method ( ocsm ) for rc cable - stayed bridges in the proposed method, the optimum completion state is regarded as the final target of the construction control, and the optimum construction state at each construction stage is taken as the technical route the key of the method is to properly choose or adjust the cable forces the objectives function of optimization is to minimize the elevation error of the girder under the constraint condition that the internal forces ( bending moments ) of the girder are bounded the optimization variables are the cable forces on the basis of the above principles, a optimum model for a construction step is established and cable force adjustments can be found for each construction step in this model, the creep and shrinkage effects of concrete have been considered a bridge example is given which shows that the final state of the bridge is very close to the design aim and that this method is much better than the so - called double - control method the example is a good illustration of the soundness and practical value of the proposed method

    根據現代斜拉橋結構設計理論和懸臂施工方法的特點，提出了以最佳成橋狀態作為施工控制的最終目標，以實施最佳施工階段為技術路線，以索力調整為核心內容的斜拉橋施工控制理論，簡稱為最佳成橋狀態法；以斜拉橋主梁標高誤差最小為目標函數，以主梁內力（彎矩）為約束條件，以索力為優化變量，建立了最佳施工階段的索力調整計算模型；推導了考慮徐變收縮效應的索力調整計算公式；用最佳成橋狀態法對一實橋工程進行了施工控制全過程計算研究，得到的成橋狀態與設計目標相當接近，優于該橋以「雙控」為控制目標的實測結果，有力地證明了本文方法的正確性及其工程實際價值
  12. Steel frame with welding joint easily occur brittle collapse because of having a low ductility at joints then ， a semi - rigid connected steel frame has large the energy absorption capacity which can resist dynamic loads and the using steel qualities of bracing system and joints are small so adopting a semi - rigid jointed steel frame is economical and stable but for semi - rigid connections are complex and variable ， in conventional analysis and design of steel structures ， it is usually assumed that the connections between columns and beams are either rigid or pinned the analysis of steel frames adopting the assumption can simplify the procedure of analysis and design ， but cannot precisely reflect structural practical circumstance and the errors of calculating results are large ， even ， get incorrect conclusions semi - rigid connection was referred to in chinese code for design of steel structures ( 2001 ， 10 ) ， however ， it isn ’ t specified how to apply semi - rigid joints in design in fact it cannot be carry out the purpose of the paper give a calculating method that accords practical engineering and easily put into effect worthwhile it is going to promote the development of semi - rigid jointed steel frame in design and heighten structural stability in the paper ， at first some commonly employed methods for the modeling of connection behavior are introduced richard abbott function modeling of connection is adopted for extended end plate bolted connection by the 34 test data comparing to regression analysis indicate richard - abbott function modeling of connection represents an excellent fit to test data then after a semi - rigid joint behavior can be modeled as a finite stiffness rotation spring ， base on rotation and displacement equation derive the element stiffness matrixes with semi - rigid connections where the effects ofj ointed flexibility geometric non - linearity and shear forces in the connection deformations have been considered in and fixed - end forces are modified finally, a program for calculating semi - rigid with incremental - iterative method has been

    本文的目的就是為半剛性連接鋼框架的設計提供一種既符合工程實際又簡便易行的計算方法，供規范使用過程的補充、延伸或參考；同時，也將促進半剛性連接鋼框架設計技術的發展，為提高結構安全性能、節省工程成本發揮應有的作用。本文首先介紹了常見的幾種應用較為廣泛的樑柱連接彎矩轉角關系模型，在分析比較的基礎上，選用richard ? abbott函數模型作為外伸端板連接彎矩轉角關系模型，通過對34個外伸端板連接的實驗數據與回歸分析得到的參數比較可知，經回歸分析得到的此模型參數與實驗數據符合較好。然後用彈簧表徵連接點的轉動剛度，根據梁的轉角位移方程推導出半剛性連接的剛度矩陣，在單元剛度矩陣中考慮了節點柔性、幾何非線性和剪切變形的影響，並對固端力進行了修正，最後用增量迭代法編制有限元程序進行計算和分析。
  13. Then a semi - rigid joint behavior can be modeled as a finite stiffness rotation spring. basing on rotation and displacement equation, we obtain the element stiffness matrixes with semi - rigid connections where the effects of material nonlinear, hysteresis behavior and shear forces in the connection deformations have been considered in and at the same time we modify the fixed - end forces. finally, a program for calculating the elastic - plastic earthquake seismic of semi - rigid connected steel frame structure by step and step integration of wilson -

    本文在介紹和分析半剛性連接彎矩與轉角連接關系模型的基礎上，用帶有轉動剛度的彈簧表徵半剛性連接，推導出半剛性連接的剛度矩陣，並對桿件固端力進行修正，同時在考慮剪切變形、材料彈塑性、及構件的動力滯回性能的基礎上，編制了結構彈塑性地震動力時程分析有限元計算程序。
  14. Then after a semi - rigid joint behavior can be modeled as a finite stiffness rotation spring, base on rotation and displacement equation derive the element stiffness matrixes with semi - rigid connections where the effects of jointed flexibility and shear forces in the connection deformations have been considered in and fixed - end forces are modified. finally, a program for calculating system reliability of semi - ridge steel frames with monte carlo method and finite element analysis has compiled for calculating and analyzing. by calculating results of several examples for steel frame in semi - rigid joints case show the change of joint stiffness and other kinds of factors affect the system

    接著本文在介紹和分析半剛性連接彎矩和轉角關系模型的基礎上，用帶有轉動剛度的彈簧表徵半剛性連接，推導出半剛性連接的剛度矩陣，對固端力進行修正，同時考慮了剪切變形的影響，編制了半剛接鋼結構平面框架的有限元程序bhpfl ，並在其基礎上編制了基於蒙特卡洛法的montecarlo - bhpfl有限元相結合的方法，進行體系可靠度的分析。
  15. The paper concerns about the beams with consideration of residual stress under loading combined antisymmetric end moments with transverse uniformly distributed load, that formula for the linearly distributed moment used in gb50017 - 2003 should be modified for the nonlinearly distributed moment, and kirby, p. a & nethercot, d. a only suggested an empirical formula. therefore, it is of theoretical and practical value to investigate it

    對于本文所研究的既有端彎矩又有橫向均布荷載作用且考慮截面殘余應力的梁，由於其沿梁長方向的彎矩是非線性分佈的，上述公式適用性有待進一步研究加以修正。而英國人kirby ， p . a和nethercot ， d . a .也只給出了彎矩非線性分佈梁的等效彎矩系數經驗公式。
  16. To solve this problem, in this paper, the internal force in the constraint conditions are modified when the height of section changes

    為解決這一問題，本文將約束條件中的彎矩和剪力設計值隨樁截面高度的變化加以修正。
  17. Abstract : cable - stayed is used to cable suspension, but cable force is calculated by manual, and only for less than 5 segments, and the prescion is poor. this paper puts forward “ zero moment method ”, which can not only calculate more segmental soupe force, but both temporary joint and fixed joint during construction. the mechanical concept is clear, and it is easy for calculating. it is fit for program, and the illustrations prove that the methods are right

    文摘:斜拉扣掛在纜索吊裝中經常運用，但扣索索力多採用手工計算，且多用於5段以內的吊裝，計算復雜，精度低.本文提出「零彎矩法」 ，可計算任意多段扣索索力，既可計算拱肋在施工過程中各節段臨時鉸接，又可計算各節段固結的情況，將兩種連接方式統一成一種計算方法，力學概念清楚，計算簡便，適宜程，文中最後用示例證實本方法的正確性
  18. On the basis of earthquake - resistant behavior experiments of high strength concrete column reinforced with concrete filled steel tube, two methods for calculating flexural strength of the column, one is based upon the method in building code for calculating the flexural strength of reinforced concrete member while the other is based upon the method of superposition, are discussed, and the moment ? xial load relationship is also analyzed using finite element method. the results are in good agreement with the experimental ones

    本文在以鋼管混凝土為核心的高強混凝土柱（鋼管高強混凝土核心柱）的抗震性能的試驗基礎上，分別基於鋼筋混凝土構件的規范計算方法和疊加法兩種思路討論了核心柱的正截面強度計算，並用條帶有限元方法模擬了核心柱的彎矩? ?軸力相關曲線，與試驗結果符合較好。
  19. Geometric nonlinear behaviors in large span cable - stayed bridges have been analyzed in this paper, which include the sag of inclined cable stays caused by their own dead weight ; the interaction of large bending and axial deformation in bending members ; and the large displacements effects. then analyzing theories and researching levels of geometric nonlinear problems of modern cable - stayed bridges have summarized. and methods of modeling cable - stayed bridges for nonlinear finite element analysis have been discussed, which are the equivalent modulus of elasticity, introducing stability functions and continuously modifying geometry of structure

    本文分析了大跨徑斜拉橋幾何非線性的主要影響因素，包括斜拉索的垂度效應、彎矩與軸向力組合效應和大變形效應，同時對目前斜拉橋幾何非線性問題的分析理論和研究水平進行了綜述，相應討論了各非線性影響因素的處理方法，即分別採用等效彈性模量法、引入穩定性函數和實時修正結構的幾何位置。
  20. This paper mainly introduces technologies of bending carbon fiber reinforced plastic ( cfrp ) plates or fabrics to the web of reinforced concrete members, and also this paper discusses the design principles of carbon fiber reinforced plastic ( cfrp ) used in the reinforced concrete members, as well as considering the preload effect to the bending capacity of the reinforced concrete members. finally, a kind of new practical method is put forward, and may be a reference for practical engineering designer. in the meantime, this paper analyzes the " local failure " caused by shear and normal stress concentrations at the plate ends that can easily incorporated into design equations. furthermore, the bonding and anchoring conformation of concrete members strengthened by carbon fiber reinforced plastics also be set forth

    本文重點研究碳纖維製成織物片材粘貼到混凝土表面用於結構的補強與加固的技術特點，從理論上探討cfrp加固混凝土結構的設計原理，分析二次受力對加固結構的彎矩承載力的影響；同時對外貼碳纖維加固混凝土的抗彎和抗剪提供一種簡單、實用的設計方法，供工程設計人員參考，對碳纖維布加固混凝土梁中出現剝離破壞也進行了分析，提供了最大剝離正應力的計算公式，以及對外貼cfrp加固結構構件的粘貼構造與錨固進行了闡述。
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