Adad is a member of Canadian Civil Engineering Society (CSCE) and Ontario Institute of Professional Engineers (OSPE). He has been engaged in numerical analysis and analytical modeling of reinforced Uhpc structures for a long time, and applied artificial neural network (Ann), physical information neural network (Pinn) and partial differential equation (Pde) to structural engineering problems, structural dynamics and traffic-oriented (TOD) seismic analysis of structures. He presided over and participated in 6 national and provincial-level scientific research projects, 10 municipal-level projects and 5 authorized invention patents. He has published 15 academic papers in Materials, Structures and other journals.