Characteristics of Wind Pressure Amplitude on Super-Tall Buildings

10 typical super-tall building models of different cross-section shapes,such as square,rectangular,triangular and Y-type cross-section shapes,and aspect ratios and side ratios are tested in a wind tunnel,and the mean and fluctuating wind pressure coefficients are thus obtained.It also discusses in this paper the effects of wind turbulence and wind direction conditions on the spatial distribution characteristics of the wind pressures.Results indicate that the mean wind pressures on the windward wall are positive while those on the side-walls and the back wall are all negative;the mean wind pressure coefficients on the models in terrain category D are almost the same with those in terrain category B,but the fluctuating wind pressure coefficients much larger;the profiles of mean wind pressure coefficients on the windward walls of the models obey basically the power law with an index of 2 and;the wind pressures on the triangular and Y-type buildings are smaller than those on the square and rectangular buildings.