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首页> 外文期刊>Journal of Wind Engineering and Industrial Aerodynamics: The Journal of the International Association for Wind Engineering >Full-scale measurements of wind-induced response of an 84 m high concrete control tower
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Full-scale measurements of wind-induced response of an 84 m high concrete control tower

机译:全面测量84 m高混凝土控制塔的风致响应

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This paper details the development of an instrumentation system for the measurement of the wind-induced dynamic response of structures. It was installed on an 84 m high concrete control tower of circular cross-section. Twelve months of data measured at the tower are presented and it is demonstrated that the accelerations experienced exceed serviceability criteria for human comfort. The effects of differing incident turbulence regimes are investigated and are found to have no significant effect on the dynamic response of the tower. The first and second mode natural frequencies were measured as 0.39 and 2.62 Hz, respectively. The structural damping of the tower was estimated to be 0.8 %. The mode shape of the tower was closely approximated by a power law with an exponent of 1.6.
机译:本文详细介绍了一种用于测量风引起的结构动力响应的仪器系统的开发。它安装在84 m高的圆形横截面混凝土控制塔上。给出了在塔上测量的十二个月的数据,并证明了所经历的加速度超过了人类舒适性的可维修性标准。研究了不同湍流状态的影响,发现它们对塔的动力响应没有显着影响。第一和第二模式固有频率分别测量为0.39和2.62 Hz。塔的结构阻尼估计为0.8%。塔的模态形状通过幂律近似为1.6。

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