Innovation for Eco-friendly and Long-life Infrastructures

Session introduction:

On the morning of November 27, 2022, a session with the topic “Innovation for Eco-friendly and Long-life Infrastructures” took place lively and effectively with interesting presentations related to original investigations on innovative materials, structure and construction methods, risk assessment and management approaches for sustainable development of infrastructures from invited prestigious scientists and researchers in the field of Civil Engineering.

Opening the session, Dr. Nguyen Minh Hai, the University of Danang – University of Science and Technology expressed his wish that the conference would be a forum for academic exchanges between researchers with common interests to promote collaborative research in the near future.

The first guest, Prof. Hosoda Akira from the Concrete Laboratory, the Institute of Urban Innovation, Yokohama National University (YNU) and the director of the YNU disaster prevention center, Japan gave a keynote presentation about several advanced applications in Japan of “long-life” and “eco-friendly” concrete structures with industrial wastes and by-products. The presentation consists of three main parts including invention of innovative porous concrete and liquified stabilized soil, the durability design of RC deck slab utilizing ground granulated blast furnace slag (GGBS) and expansive additive (EA), and the utilization of fly-ash (FA) for mitigating corrosion and alkali-silica reaction (ASR) in concrete structures. 

Next, Dr. Phan Hoang Nam, Faculty of Road and Bridge Engineering, the University of Danang – University of Science and Technology gave an overview of seismic vulnerability and risk assessment of fuel storage tanks in petrochemical plants using different analytical methods for deriving fragility functions. In addition, a framework for the seismic risk assessment of fuel storage tanks in petrochemical plants was also presented.

The third guest speaker, Dr. Hoang Phuong Tung, Faculty of Road and Bridge Engineering, the University of Danang – University of Science and Technology gave a presentation on applications of bio-carbonation for low carbon construction materials. He proposed using a unique technique which led to the enhancement of the hydration and carbonation processes via the synergistic combination of microbial carbonation process (MCP) with a hydration agent that enabled the self-carbonation of RMC-based mixes without the use of any special curing environments.

The fourth guest speaker, Dr. Vo Duy Hai, postdoctoral researcher at the Department of Civil and Construction Engineering, National Taiwan University of Science and Technology (NTUST), Taiwan introduced his research on recycling waste materials in concrete production. The presentation showed the solution to produce green concrete using construction demolition wastes as a partial replacement for natural aggregate. 

Lastly, a researcher, Dr. Nguyen Trung Kien, Faculty of Civil Engineering, Ho Chi Minh City University of Technology, VNU-HCM, Ho Chi Minh City, Vietnam gave a presentation on scattering of transient Rayleigh waves and its effect on buried pipelines. Several effects of scattering waves on the spatiotemporal response of the structure using parametric studies were mentioned. 

The discussion session attracted more than 30 online and on-site attendees. The issues discussed in the program were not only from the online audiences but also had a special interaction between the guest speakers and students, researchers who are interested in the field of Civil Engineering.

Keynote speaker Prof. Akira Hosoda

Onsite audiences at Tokyo University, Japan

Invited speaker Dr. Phan Hoang Nam

Online and onsite participants