垂度 的英文怎麼說

中文拼音 [chuídù]
垂度 英文
（下垂度） sag; sagitta; deflection; slack垂度規 dip gauge; 垂度計 sag gauge; 垂度計算 sag calculation; 垂度曲線 sag curve; 垂度儀 sight for sag
  • 垂 : Ⅰ動詞1 （東西的一頭向下） hang down; droop; let fall 2 [書面語] （敬辭 多用於長輩、上級對自己的行...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  1. The cable sag caused by cable dead weight is vertical.

    由鋼索自重引起的垂度是豎向的。
  2. Chapter 4 time - dependent computational simulation of the response of cable - suspension feed system in gusty wind based on the time - independent structure finite element method, and with consideration of the movement laws of cabin, a 3 - d time - dependent structure finite element model formulated by a new method named iss method ( instantaneous structure supposition method ) to deal with the vibration response of cable - suspension feed system in gusty wind is presented. in the model, all sources of geometric non - linearity, cable sag and changes of cable geometry due to large displacement, are fully considered

    基於時不變結構的有限單元法，在綜合考慮饋源艙運動規律的基礎上，提出了時變系統的瞬時結構假定法，通過將懸索離散為索桿單元，建立了系統的時變有限元模型，該模型充分考慮了懸索的垂度和大變形等幾何非線性因素，應用ne 。
  3. Sag - control loop

    垂度控制環
  4. Dynamic response of the axially moving cable with small sag

    軸向運動小垂度索動力響應
  5. The force control of suspension bridge anchorage cable is the main contents which will be researched. according to the character of suspen - sion bridge anchorage, three questions is solved in this paper on the basis of the construction control experience of the highway bridge of yichang yanzhi river. firstly, an effective method of cable force control is presented in this paper, which has settled the puzzle of cable force accurate operate through fixing a pressure transducer at the behind of the hydraulic jack. secondly, an exactitude calculation model is founded in this paper. in addition the influence of boundary condition, sag, inclination, flexural rigidity and environment temperature to the cable vibration frequency which make the frequency method could be used to the measurement of cable force. in the end of this paper, a control system of anchorage cable force is developed on the basis of the above research. this system is very steady, credible, high precision and convenient. it is a new and credible method to be used to the force control of sus - pension bridge anchorage cable. in this paper, the conundrum of cable force control has been solved. the fruits are very useful to the development of inland suspension bridge

    提出了一種有效可行的錨跨張力控制方法，即通過在油壓千斤頂后加壓力傳感器，並利用單片機技術進行數據採集，解決了懸索橋錨跨索股初張力精確控制的難題；建立了錨跨索股索力的精確計算模型，分析了索股的邊界條件、斜度、垂度、抗彎剛度及環境溫度對索股頻率的影響，解決了弦振法在大跨徑懸索橋索力測試中的應用問題；在上述研究成果的基礎上，研製出了錨跨張力控制系統，該系統具有穩定可靠，精度高，使用方便等特點，它的投入使用將為我國今後大跨徑懸索橋錨跨張力控制提供一種全新的、可靠的手段。
  6. These geometric nonlinear behaviors such as the sag of inclined cables caused by their own dead weight, the interaction of large bending moment and axial forces in girders and towers, and the large displacement effects are considered during calculation. newton - raphson method and the displacement convergence norm are used to approach the solution iteratively

    計算過程中計及了拉索的垂度效應，彎矩和軸力對主梁和主塔的組合效應以及結構的大變形效應等幾何非線性影響因素，採用newton - raphson方法和位移收斂準則進行迭代求解。
  7. The cable sag and bending stiffness effects are studied on the higher natural frequencies of cable vibration. it is found that the differences of the higher adjacent frequencies go to the fundamental frequency of the taut string theory even though the cable sag or bending stiffness is included. this unique characteristic of cable vibration is used to determine the cable tension with the well - known taut string theory

    2 .考慮垂度和抗彎剛度對高階自振頻率的影響，探討了索相鄰頻率之差，發現索的高階頻差就是弦振動理論的基頻，利用這一特性，分析了頻差法測索力的精度和適用范圍。
  8. In this paper, two kinds of the aforesaid methods based on the parabola and catenary theories for the datum strand erection of the self - anchored suspension bridge of pingsheng bridge in foshan under non - datum state condition of erection are presented

    介紹基於拋物線理論和基於懸鏈線理論的平勝大橋基準索股非基準狀態下架設垂度修正量的確定方法及達到該垂度的施工控制方法。
  9. Taking the bending stiffness, cable sag and cable inclination into consideration, the space vibration control of the cables using the visco - elastic dampers in cable - stayed bridges is investigated by joining the center difference method and the state space strategy. both the maximum modal damping ration and the optimal damper size are obtained, then the practical suggestions are proposed for the design of the dampers. the space nonlinear vibration equations of the cable - damper system are derived, and a new hybrid method for solving the cable - damper system is presented by combing the newmark method and pseudo - force technology

    綜合考慮了拉索抗彎剛度、垂度的影響，研究了粘彈性阻尼器對斜拉橋拉索的空間振動控制，聯合中心差分方法及狀態空間法，得出了拉索麵內、外振動各階模態可能達到的最大阻尼比及相應的最優阻尼器系數，並對斜拉橋拉索的阻尼器設計提出了參考建議：考慮拉索抗彎剛度、垂度及幾何非線性，導出了索-阻尼器系統的空間振動非線性方程組，結合newmark方法及偽力（ pseudo - force ）方法，創新地提出了求解非線性方程組的雜交方法，根據拉索-阻尼器系統的阻尼特性，在各種荷載作用下，對索-阻尼器系統的非線性瞬態振動響應進行了研究，從系統響應的角度更加直接地驗證了阻尼器的控制效果。
  10. Afterwards, we take sag of cables into consideration and investigate the effect of the sag of cables on the effectiveness of viscous shearing damper. finally, experiments are carried out on jun shan bridge and bai sha zhou bridge to testify the effect of viscous shearing damper and the feasibility of the finite element method and galerkin approach to analyze the effectiveness of viscous shearing damper

    然後在考慮斜拉索垂度的情況下，利用迦遼金方法，編製程序求解拉索振動的附加阻尼，並與未考慮垂度情況下的拉索振動的附加阻尼值相對比，分析垂度對附加阻尼的影響。
  11. In the article there is also an analysis about the influence to the complete status of the prestressed concrete cable stayed bridge of such factors as the stiffness change of the girder and the deflection of cables and the concrete creep and the temperature change. this must be useful to engineer to take a reasonable stress limitation in determining the reasonable completed status

    本文還採取對比分析計算的方法，對主梁剛度變化、拉索垂度、混凝土徐變及溫度變化等因素的影響進行了分析，並指出了它們的影響程度，有助於工程師們在確定成橋狀態時合理地選取控制條件。
  12. Three circumstances on the geometric non - linear analysis are considered : the sag phenomenon of cables the nonlinear behavior of bending members and the geometry change due to large displacement. the non - linear behavior of cables is verified by introduced the ernst cable modulus of elasticity and cr formation is applied to analyze the non - linear of beams. an incremental - iterative method based on the newton - raphson method is adopted here to solve the non - behavior equations

    幾何非線性分析主要考慮三個方面：索的垂度效應、樑柱效應和結構大位移，其中：索的非線性分析採用ernst彈性模量對索材料的彈性模量進行修正，計及索的垂度效應的方法；梁單元的非線性分析採用cr列式法，計算中採用基於newton - raphson法的增量迭代方法求解非線性方程組。
  13. The wind - structure interaction equation of membrane roofs with small sag

    小垂度薄膜屋蓋的氣彈動力耦合作用方程
  14. During the finite element modeling of the bridge, the factors affecting the accuracy of the finite element model are discussed in detail, such as, the geometrical non - linearity of the cable including gravitational sag and initial tension, and the structural orthotropic steel box - girder deck to be equivalent to physical orthotropic deck by using compound material mechanics, and so on

    在建模過程中，盡可能多地考慮了一些影響全橋有限元模型精度的因素：如斜拉索的幾何非線性（重力垂度和初始應力） ，將構造正交各向異性鋼箱梁橋面板用復合材料力學的方法等效為物理正交各向異性板等。
  15. Firstly based on reading many literatures, the development history and present situation of csmss is introduced and an explicit definition of csmss is defined. the nonlinear finite element method equations are presented in detail, considering the orthotropic material property of the membrane and the wrinkled or relax properties of elements

    詳細推導了索桿膜空間結構的幾何非線性公式，並且針對膜材的正交各向異性特性、膜材的褶皺、索的自重垂度、索的鬆弛等問題採取了相應的有效實用的計算方法。
  16. The main work of this thesis includes : 1. using energy theory, the cable sag and bending stiffness effects are investigated on the determination of cable tension forces through cable ' s fundamental frequency. based on the curve fitting, the practical formulas are proposed where the cable tension can be easily estimated using measured fundamental frequency

    本文的主要工作包括： 1 .考慮拉索的垂度和抗彎剛度對基頻的影響，用能量的方法，並輔以曲線擬合，提出了由基頻計算索力的實用公式，公式與理論解的誤差在以內，並對公式的適用范圍進行了討論。
  17. 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。
  18. By fully analysis of two real cable - stayed bridges, following conclusions have been reached : 1 ) under dead loads the sag of inclined cable stayed is the main point of geometric nonlinear behaviors of cable - stayed bridges, and the effects of the interaction of large bending and axial deformation in bending members and the large displacement are relatively small

    通過理論分析和實例計算，本文得出以下結論： 1 ）在恆載作用下，斜拉索的垂度效應是幾何非線性的主要來源，組合效應、大變形效應的影響相對較小，若僅僅進行線性分析，則計算所得結果的誤差會很大。
  19. The modified calculation about cable ' s angle and force of gonghe bridge is done. 5

    對公和橋拉索的索力和傾角進行了垂度修正計算。
  20. Stiffness formula of cable element under general situations and its application

    一般情況下小垂度索的剛度方程及其應用
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