KEYNOTE SPEAKERS

 
Dr. Ong Chong Yong

Universiti Sains Malaysia, Malaysia
 

 

Dr. Ong Chong Yong graduated with Bachelor of Engineering (1st Class Honours) and PhD in Civil Engineering in Universiti Sains Malaysia. In 2020, he was awarded “Top 50 Global Young Scientist Scholar” in World Young Scientist Summit (WYSS), WenZhou, China. Besides, he is a registered Professional Technologist with the Malaysian Board of Technologists (MBOT) and currently is an accreditation panel of MBOT on technology courses. Currently, he is specialising in computational analysis, non-linear analysis, reinforced concrete structure, finite element method analysis, structural optimization and prefabrication system design analysis (IBS). Furthermore, he has published numerous technical publications in international and local journals and conference proceedings. He was awarded the “Best Paper Award” in International Conference of Civil Engineering and Geology 2015 held in Shanghai, China. Currently, he volunteers himself as a committee member in ASEAN Engineering Register, ASEAN Federation of Engineering Organisation and also as a committee member of Youth Talent Development of The Federation of Engineering Institutions of Asia and the Pacific (FIEAP) .In international stage, he is one of the Board member of fib (International Federation for Structural Concrete) Young Members Group. In fib, he is currently elected as one of the committee members for the Commission 6 (Prefabrication)-Task Group 6.5 (Precast concrete bridges). With years of contributions to the construction industry, he has been awarded Associate Fellow of ASEAN Academy of Engineering and Technology (AAET) in 2021.

 

Speech title"Precast Concrete Closed Spandrel Arch Bridge System with Trapezoidal Section"

The advent of modern precast concrete technology has revolutionized conventional construction of masonry arch bridge with astonishing beauty and durability. Precast concrete arch segments of single, double and triple-leaf were introduced since 1960’s to construct closed spandrel arch system for short span bridges. For ease of moulding and manufacturing of precast panels, simple solid rectangular reinforced concrete sections are designed to suit the specific arch profiles. These sections are bulky and heavy to handle and have limited their current applications to only less than 27m span. The development of a new folded plate section in “trapezoidal” form with about 40% weight reduction but increased stiffness offers a better alternative of precast closed spandrel arch bridge system. Capitalizing on soil-concrete interactions with granular overfills, thin reinforced concrete with structural efficient sections are designed to provide a cost competitive concrete arch bridge solution. This paper describes the planning, design and construction of the pilot project over a canal in Malaysia.

 

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