His research expertise includes laboratory and field investigations of sediment transport, river hydraulics, and hydraulic structures. Most of his work incorporates experimental modeling. Dr. Admiraal has over 50 journal and conference publications in a wide variety of hydraulic engineering topics. He is actively involved in ASCE's Technical Committee on Hydraulic Measurements and Experimentation and has served as the chair of the committee. He has also acted as co-chair for two conferences on Hydraulic Measurements and Experimental Methods.