大跨径桥梁静风稳定参数的敏感性分析
Sensitivity Analysis On Aerostatic Stability Parameter Of Long-Span Bridge
With increasing span length of bridge, bridge construction quality is more and more light, structural stiffness is more and more small, structural damping is more and more low, which led to the sensitivity of the wind-induced role is more and more big. Based on the main girder static coefficients measured by wind tunnel tests and wind load nonlinear, and considering geometrically nonlinear, the whole process of the static wind instability of long-span suspension bridge will be analyzed, as well as large-span cable-stayed bridge; Then the sensitivity aerostatic stability parameters of long span cable supported bridge, which contains of static coefficients, the initial wind angle of attack, the bridge tower wind loads and the rope wind loads and side cross wind load, were investigated.
大跨径缆索承重桥 静风稳定 静风荷载 临界风速 {{custom_keyword}} /
Long span cable supported bridge / Aerostatic stability / Static wind load / Critical wind speed {{custom_keyword}} /
/
〈 | 〉 |