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Topic

RYC Peer-to-Peer Webinar: Carbonation of Concrete: Opportunities for Net Zero CO2 by 2050 and Research Needs

Description

Speaker 1: Dr Jiayi Fu
Title: Exploring the accelerated carbonation potential of recycled concrete aggregates as a long-term CO2 storage solution

Concrete recarbonation and storage is one method to help the cement industry to minimise residue cement production emissions. The calcium-rich compounds in concrete structures will naturally absorb CO2 from the atmosphere and slowly form calcium carbonate over their life span to permanently store away the CO2. Recarbonation technology accelerates this natural process, quickly increasing the amount of CO2 stored in construction and demolition waste, most notably recycled concrete aggregates. Whilst carbonation of concrete is a well-known phenomenon, optimised conditions for accelerated recarbonation of recycled concrete aggregates to maximise CO2 uptake require further research. This study investigates the potential for local building and demolition waste materials to be recarbonated and used as long-term CO2 storage.

Speaker 2: Indira Vasikova
Title: Durability of Low-Carbon Concrete against Carbonation-Induced Corrosion: Literature Review and Research Needs
Low-carbon concrete is getting more attention due to the drive for net zero emissions by 2050. The most carbon-intensive material in concrete is cement and therefore replacing it partially by supplementary cementitious materials (SCMs) can significantly decrease the embodied carbon of concrete. In terms of durability, addition of SCMs improves properties against chloride and sulphate attack, however, it can negatively impact the durability against carbonation-induced corrosion. This talk presents the challenges in adding SCMs to concrete and highlights the opportunities to utilize SCMs to decrease the embodied carbon of concrete without significant deterioration of the durability and main mechanical properties.

This webinar is brought to you by the RILEM Youth Council (RYC) and hosted by Dr Marie Joshua Tapas, RYC Pacific Representative.

Time

Jan 31, 2023 06:00 PM in Canberra, Melbourne, Sydney

Webinar is over, you cannot register now. If you have any questions, please contact Webinar host: RILEM YOUTH.

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Message preview	Hi there, You are invited to a Zoom webinar. When: Jan 31, 2023 06:00 PM Canberra, Melbourne, Sydney Topic: RYC Peer-to-Peer Webinar: Carbonation of Concrete: Opportunities for Net Zero CO2 by 2050 and Research Needs Register in advance for this webinar: https://zoom.us/webinar/register/WN_V3nsInGrTACbxAs3xzoAAw After registering, you will receive a confirmation email containing information about joining the webinar. ---------- Webinar Speakers Dr Jiayi Fu (Materials Scientist @Boral Innovation) Dr Jiayi (Jerry) Fu is the Material Scientist in Boral Innovation. Prior to his current role, he was a research engineer in Boral Innovation. He has published peer-reviewed literature in Cement and Concrete Research. Jerry completed his PhD at the University of New South Wales on developing high-performing concrete with high levels of clinker replacement via investigating pore solution chemistry and microstructural development. His research area of interest is exploring the synergy of cement chemistry, and microstructural development of the next-generation concretes using C&D waste and alternative SCM for clinker substitution. Indira Vasikova (PhD Student and Research Assistant @University of Technology Sydney) Indira Vasikova is a PhD student and research assistant at the University of Technology Sydney. Her engineering carrier in Australia started with getting a master’s degree in Civil Engineering, during which she imposed an interest in researching the sustainability and durability of concrete. Prior to her master’s degree, she gained a background experience as a structural engineer and a designer involved in the development of oil and gas fields, particularly in designing footings for permafrost. Her current research interests include studying the durability of low-carbon concrete with significant amounts of supplementary cementitious materials and investigating the compatibility of current standards with trends in reducing embodied carbon.

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