Division of Civil Engineering, Faculty of Engineering, Bangkokthonburi University, Taweewatana Bangkok, Thailand.

Gritsada Sua-iam is a lecturer at Division of Civil Engineering, Faculty of Engineering, Bangkokthonburi University. He received his B.Eng. in Civil Engineering from Rangsit University, M.Eng. in Engineering and Construction Management from King Mongkut’s University of Technology, Thonburi, and M.Sci. in Building Technology Management from Dhurakij Pundit University. His research interests include self-compacting concrete and the utilization of waste materials as concrete materials, such as fly ash, rice husk ash, limestone powder, bagasse ash, and waste glass.