Experimental Study on the Wind Load Characteristics of Changsha Light Tower
A rigid model pressure measurement wind tunnel test is carried out on a high-rise building with multiple aerodynamic measures.The modal superposition method is used to calculate the response of the building under wind load.The dynamic response factor and the comprehensive shape coefficient,which is related to the main structure design wind load,and the design wind load of the retaining structure are derived.Results show that the dynamic response factor educed from the test is larger than the code value,but the structure shape is advisable,with a maximum comprehensive shape coefficient is 1.04.On the ventilated curtain wall assigned at the top of the building,there is the ultimate positive peak wind pressure for the design wind load of retaining structure,while the ultimate negative peak wind pressure occurs in the corner recession area.The acceleration response turns out that the vibration of the building is dominated by cross-wind vibration.
万方数据
维普
