【摘要】 对国内首次采用环氧全涂平行钢绞线的独塔单索面部分斜拉桥进行了动力特性和抗风稳定性分析,结果表明,最大悬臂施工阶段必须避开当地台风期,成桥状态,虽然拉索不能提供抗扭刚度,由于部分斜拉桥主梁刚度大的特点,表现出良好的抗台风能力。更多还原

【Abstract】 This paper analyzes the dynamic behavior and windresistant stability of Yinhu Bridge, the extradosed bridge of single pylon and single cable plane used with fully epoxycoated PPWS for the first time in China. The analysis indicates that the construction of the maximum cantilever of the Bridge must avoid the local typhoon spell, however, on the completion state, the Bridge has fairly good capacity of typhoon\|resistant stability because of the high rigidity of the main girder of the extradosed bridge, though its cables don’t provide torsional atiffness.更多还原