| 1. | The calculation of rectangular type air spring ' s vertical stiffness with finite element method
有限元法计算长方型橡胶空气弹簧隔振器的垂向刚度 |
| 2. | Calculation of vertical stiffness matrix of frame structures subjected to vertical earthquake action
竖向地震作用下框架结构竖向刚度矩阵的计算 |
| 3. | The ratio of its vertical stiffness to lateral stiffness is very important in structure design
仅从结构来讲，弹性轮对垂向和轴向刚度的比率是最重要的。 |
| 4. | This paper calculated the vertical stiffness matrix of plane frame structures subjected to vertical earthquake action
本文计算了平面串并联多质点系结构在竖向地震作用下的竖向刚度矩阵。 |
| 5. | The resonance conditions of the train - bridge system are affected by the span , total length , lateral and vertical stiffness of the bridge , the compositions of the train , and the axle arrangements and natural frequencies of the vehicles
车桥系统的共振条件与桥梁跨度、长度及竖向和横向刚度，列车编组、车辆轴距参数及车辆的自振频率等因素有关。 |
| 6. | In the research related to compression property theory , a constant related to the vertical stiffness of nrb and lrb has been found respectively , which is defined as compression stiffness factor . the simplified calculation theory of vertical stiffness is established based on stiffness factor
在压缩特性理论相关的研究中，发现并找到了天然橡胶和铅芯橡胶隔震支座竖向刚度相关的一个常数，并将其定义为压缩刚度因子，基于刚度因子建立了竖向刚度简化计算理论。 |
| 7. | Then , analyze and compare the elastic time - history analysis of the frame structures subjected to various vertical seismic waves considering different vertical stiffness matrix , thus the vertical stiffness matrix which was proposed by this paper has certain rationality , it is valuable to engineering designing
然后，分析对比在不同竖向刚度矩阵下框架结构在不同竖向地震波作用下的弹性时程分析，从而表明：本文提出的计算竖向刚度矩阵具有一定的合理性，并对竖向地震作用下框架结构抗震性能进行分析，对工程设计有一定的参考价值。 |
| 8. | The floor of the high - rise frame structures is very suppleness when the frame structures subjected to the vertical seismic actions , it is impossible to confirm that each member has the same displacement in the same floor , so it is impossible that the summation of axes stiffness of each vertical member represent the global vertical stiffness of the frame structure
高层建筑框架结构在竖向地震作用下，楼板在竖向刚度是很小的，一般不予考虑，认为相对无限柔性，而梁的刚度也是有限的，不可能保证各竖向构件在同一楼层竖向位移相同，因此不能简单地用各竖向构件轴向刚度之和来代表结构的总竖向刚度。 |
| 9. | From the global stiffness matrix of plane frame , condensing the static force and eliminating the coupling of vertical force and displacement and other broad sense force and displacement , obtained the vertical stiffness matrix of plane frame structures subjected to vertical earthquake action considering the influence of horizontal girds and nodal
从平面串并联多质点系结构的总刚度矩阵中，采用静力凝聚法，消去竖向力和竖向位移与其它广义力和广义位移之间的耦联关系，得出框架结构在竖向地震作用下考虑水平梁和节点转角影响的竖向刚度矩阵。 |
| 10. | Power plant structures have very strong professional characteristics because of its craft reasons , for example , the plane stiffness and vertical stiffness are not uniform , strong beam and weak column structures are often used , different types of members are used together , and the vibration problems are very serious , etc . all of this make the inspecting and appraising and strengthening of power plant structures have special characteristics , such as , there have no appropriate codes or standards to be used , the particularities of power plant structures and the special requirements of power industry must be thought about
火力发电厂结构因工艺原因具有很强的行业特点，比如：平面刚度不均匀；竖向刚度不均匀；强梁弱柱大量出现；不同种类构件共同使用；振动问题严重等。这些问题的出现也造成了针对电厂结构进行的检测、鉴定和加固的特殊性，比如：没有合适的标准和规范可供使用；检测、鉴定和加固应考虑电厂结构的特殊性；要考虑电力行业的特殊要求等。 |
