Utilization of Waste Materials in Concrete Filled Steel Tubular Columns Mohanraj Erode Krishnasamy, Ravisankar Kanjikovil Loganathan and Selvi Kaliappan MATEC Web Conf., 400 (2024) 03001 Published online: 03 July 2024 DOI: 10.1051/matecconf/202440003001