[WORLD SCIENTIFIC Tall Buildings from Engineering to Sustainability - Sixth International Conference on Tall Buildings, Mini Symposium on Sustainable Cities, Mini Symposium on Planning, Design and Socio-Economic Aspects of Tall Residential Living Environment - Hong Kong, China (6 – 8 December 2005)] Tall Buildings - EXPERIMENTAL INVESTIGATION OF CONCRETE-FILLED HIGH STRENGTH STAINLESS STEEL TUBE COLUMNS FOR TALL BUILDING CONSTRUCTION