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刚梁
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  stiffening beam
     AN ANALYSIS OF THE DYNAMIC CHARACTERISTICS OF THE STRUCTURE OF COUPLED SHEAR WALLS WITH STIFFENING BEAM
     刚梁对双肢剪力墙动力特性影响的分析
短句来源
  “刚梁”译为未确定词的双语例句
     Earthquake Responses of the Train and Arch Stiffened Bridge system
     列车与刚梁柔拱组合系桥系统的地震响应分析
短句来源
     The Modification of Rigid Beam Method for Curved Bridge
     弯桥刚梁修正法
短句来源
     Further research indicates that the cable/beam live-load ratio of 0.5 can be critical value between typical extradosed cable-stayed bridges and cable-stayed bridges or non typical extradosed cable-stayed bridges.
     进一步研究表明,索梁活载比小于为0.5时,可界定出典型的(刚梁柔塔)矮塔斜拉桥。
短句来源
     Based on the conception of structure system ,the system of arch bridges is classified systemically. (3) Through comparative study of hingeless arch bridge and combined bridge with stiff beam and rigid arch, two-hinged arch bridge and tie-bar arch bridge,the influence of boundary conditions on mechanical condition is discussed.
     (3) 通过无铰拱与刚拱刚梁组合体系,双铰拱与系杆拱的体系对比研究,讨论分析了外界边界条件对结构受力形态的影响;
短句来源
  相似匹配句对
     FORCED VIBRATION OF RIGID/VISCOPLASTIC BEAM
     /粘塑性的强迫振动
短句来源
     The Modification of Rigid Beam Method for Curved Bridge
     弯桥修正法
短句来源
     Curved Grillage Girder
     曲线格子
短句来源
     Finite element method of beam displacement
     位移的有限单元法
短句来源
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  stiffening beam
Numerical examples demonstrate that a?'stiffening beam' can be obtained, when more coupling terms of deformation are added to the longitudinal and transverse deformation field.
      
The Strongback is a vertical stiffening beam that is attached to the wall on the brace side of the wall.
      


A rigid rectangular slab is considered resting on a elastic foundation and underneath a parallel overflow. The coupled free vibration of the fluid and the solid is studied by assuming that the system is of two degrees of freedom, vertical translation the primary and rotation the secondary. The case of still water ( time-mean ) confined by two lateral walls is first treated, and the two natural frequencies, obtained as varying inversely with the three ratios ρh/m, l/h, and h/l, are given by Eq. ( 24 ) and Figs....

A rigid rectangular slab is considered resting on a elastic foundation and underneath a parallel overflow. The coupled free vibration of the fluid and the solid is studied by assuming that the system is of two degrees of freedom, vertical translation the primary and rotation the secondary. The case of still water ( time-mean ) confined by two lateral walls is first treated, and the two natural frequencies, obtained as varying inversely with the three ratios ρh/m, l/h, and h/l, are given by Eq. ( 24 ) and Figs. 2 and 3. The walls then are removed and the region is indefinitely elongated, analysis of which is led to the results given by Eq. ( 24 ) and the curves L=∞ in the same figures.Finally, the case that there is a uniform flow in the infinite strip is considered, and by solving the implicit Eq. ( 32 ) ,the two frequencies are found to vary inversely with the three ratios ρl/m, h/l, and U/lω0, in the manner of Fig. 7. There exists for each h/l a critical number kl/ρU2 which divides the two states stable and unstable, as obtainable from Eq. (30)and shown in Fig. 6. It is further concluded that the system always becomes unstable in case of any non-homogeneity in the k-con-stant over the foundation. Accordingly, any slab pavement in a chute spillway should be connected to the rock foundation by reveting rod devices.

对溢洪道底板溢洪时产生的自由振动和稳定性进行了计算研究.在计算中把振动当做是单跨刚梁在弹性地基上承受平行水流作用所产生的两个自由度的流固二体耦合振动.指出了基础的非均匀性会使振动变为不稳定,把板铆连到岩石是重要的.求得二主振型的频率和稳定临界曲线.

Nature of the vibration of the discrete system is discussed with the principal frequencies and the principal modes. In the mathematics, they are both the generalized eigenvalue problems.

离散系统的振动理论中,主频率和主振型是表征该系统的固有性质;在数学上,可以归结为求振动系统的广义特征值问题。对于同一个振动系统,系统的运动微分方程可以选取不同形式。系统的主频率或特征值是一标量,不随系统的变换而改变,而系统的主振型或特征矢量,其正交性及表达形式随系统的变换而改变。本文试图以两个自由度系统的均质刚梁为例进行讨论。

This paper studies the seismic interaction between train and a flexiblearch stiffened steel truss bridge.A dynamic model of the train-bridge system is established. By inputting various earthquake waves to the system the histories of the train passing on the bridge are simulated. Both linear and nonlinear responses of the bridge are calculated. Influences of train loads and substructure stiffness on the seismic responses are studied. Typical analyses on the vehicle and structure responses are performed to estimate...

This paper studies the seismic interaction between train and a flexiblearch stiffened steel truss bridge.A dynamic model of the train-bridge system is established. By inputting various earthquake waves to the system the histories of the train passing on the bridge are simulated. Both linear and nonlinear responses of the bridge are calculated. Influences of train loads and substructure stiffness on the seismic responses are studied. Typical analyses on the vehicle and structure responses are performed to estimate the train running stability and the dynamic response property. General features of the displacement, acceleration and other seismic responses of this kind of bridge considering the running train stability are proposed.

主要讨论地震荷载作用时车桥系统的动力响应特征及对行车稳定性的影响。建立了地震作用下综合考虑输入地震波、轨道不平顺和车辆蛇行运动的车桥体系振动的动力分析模型,推导了体系动力平衡方程组。通过对系统输入各种典型的地震波,在计算机上模拟了列车过桥的全过程动力响应。计算了桥梁的线性和非线性响应,研究了列车荷载及桥梁下部结构刚度对地震响应的影响,以一座刚梁柔拱组合系桥为例,研究地震发生时桥上列车的运行稳定性和这种桥梁的位移、速度和加速度等动力响应特性。

 
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