A nonlinear motion equation of cables accounting for the action of lateral wind load using iso-parametric element method was proposed to analyze the dynamic characteristics of carbon fiber reinforced plastic(CFRP) cables.
为了分析在横向风荷载作用下碳纤维拉索(CFRP拉索)的振动特性,按等参元方法提出了考虑风荷载影响的柔性拉索非线性振动方程。
The effects of cable safety factor on the wind resistance,stiffness and strength of the girder of a cable-stayed bridge with 1 400 m center span were analyzed with considering the geometry and material nonlinearity in order to determine the reasonable cable safety factor for long-span cable-stayed bridges and investigate the application of carbon fiber reinforced plastic(CFRP) cables.
为了确定合理的大跨度斜拉桥拉索设计安全系数和探索碳纤维拉索在斜拉桥中的适用性,利用考虑非线性影响的计算方法分析了跨度为1 400 m的斜拉桥设计方案的抗风性、结构刚度和强度,以及拉索设计安全系数变化对主梁结构设计的影响,从结构系统安全性要求出发讨论了拉索安全系数的合理范围。
If the damping ratio of the three-dimensional continuous cable was up to 0.
采用已有的水线气动力数据,假设拉索和水线之间相互作用力为库仑阻尼力和线性阻尼力,推导了三维连续弹性拉索和三维连续水线的运动偏微分方程,采用数值方法进行求解,得到三维连续拉索和三维连续水线的风雨激振响应规律。