跨临界强风共振引起在z高处振型j 的等效风荷载
建筑问题,汉译英 跨临界强风共振引起在z高处振型j 的等效风荷载 第j 振型的阻尼比,对第一振型,钢结构取001,房屋钢结构取002,混凝土结构取005,对高振型的阻尼比,如无实测资料,可近似按第一振型的值取用。
Cross-critical strong wind resonance leads to the equivalent wind load at point-z height with mode-j vibration。
For submode-1 vibration, the value of damping ratio of mode-j vibration can be adopted as 001 for steel structure, 002 for steel structure for buildings, and 005 for concrete structure; for submode of high vibration, the value of damping ratio can be approximately same with that in submode-1, if no field data available。
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