Interference Effects on Wind Pressure of Two Square Tall Buildings in Sidebyside Arrangement

Abstract:

Wind tunnel tests were conducted to study the wind pressure on principal square building adjacent to another one in sidebyside arrangement at attack angle 0°.The interference effects on wind pressure of the principal building were analyzed with different heights and positions of the interfering building.The results show that with an increase in spacing ratio,associated with buildings of the same height,the maximum value of mean and fluctuating pressure coefficient interference factor decreases on the gap and outer side while slightly increases on the front and rear face.Notably,the fluctuating pressure coefficient interference factors on the gap side grow visibly,the maximum value is 2.2 on the top leading corner when the spacing ratio is 2.In addition,for effects on change of height ratio,the same index on the front side is affected little but increases on the other three sides with increasing height ratio,besides,the fluctuating pressure coefficient interference factors on the gap side increases apparently,its value even reaches 2.7.