Abstract

The effects of building plan shape on aerodynamic forces and displacement response have been studied for super high-rise building with an assumed height of 600 m in a wind tunnel. Experiments have been carried out using rigid models with eight kinds of building plan shapes of equal area ( = 6400 m 2) , equal building height ( = 600 m ), and equal density ( = 125 kg/m 3 ). The measurement model force had been combined analytically with a computer model of the building to provide estimates of the actual building response. The dynamic response behavior of a super high-rise building under strong wind due to vortex shedding and the aerodynamic damping effect of vibration by changing the cross section of building were clarified from these results.

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