Study on columns with rounded triangular section in Henan TV tower
Structural members with Circular Hollow Section (CHS) are commonly used in high steel TV towers due to their low wind pressure coefficient and high overall buckling capacity under axial compressive loads. However, the outer columns of the 388 m high Henan TV tower, currently a landmark in Chinas Henan province, adopted the Rounded Triangular Sections (RTS) in order to show a unique architectural appearance of the tower. This makes it very difficult for structural designers to determine the structural form and load-carrying capacity of the columns as well as the connection method. Considering the size of the structural members, feasi-bility of the connections, construction difficulty, construction time, and project cost, designers decided to use the RTS columns with specially designed flange-plates extruded in both sides of the column wall. A series of experimental studies on the scaled structural models and finite element analyses were carried out to investigate the mechanical behavior of the RTS columns and the associated flange connections.
M.J.He F.Liang R.L.Ma
Department of Building Engineering, Tongji University, Shanghai, China
国际会议
第12届钢管结构国际学术会议(The 12th International Symposium on Tubular Structures)
上海
英文
545-551
2008-10-08（万方平台首次上网日期，不代表论文的发表时间）