CONSPECTUS:The production of cement is a key indicator of a region’s level of development.As such,its use is essential for any society aiming to create healthy,comfortable,safe and secure living and working environme...CONSPECTUS:The production of cement is a key indicator of a region’s level of development.As such,its use is essential for any society aiming to create healthy,comfortable,safe and secure living and working environments.However,these benefits come at a price;Portland cement production accounts for≈8%of the total anthropogenic CO_(2)emissions.If cement fabrication was considered a country,it would rank as the third largest emitter,after China and the United States.Consequently,reducing the CO_(2)footprint of the construction industry is a societal need.Numerous low-carbon cement alternatives have been proposed,primarily involving the partial substitution of Portland clinker with materials that possess much lower CO_(2)footprints.However,these cements have not been widely adopted because they exhibit reduced mechanical strength at 1 day of hydration,failing to meet current practices for formwork stripping.Therefore,a primary objective is to elucidate the mechanisms of early age cement hydration to accelerate their hydration rates.展开更多
基金funding from the European Research Council(ERC-AdG)under the European Union’s Horizon Europe research and innovation program[grant agreement No.101139298,“Imaging the hydration of low-carbon CEMents with SYNchrotron X-rays(syn4cem)]”,2025/01−2029/12Partial funding from PID2020−114650RB-I00 grant(Agencia Estatal de Investigació,Spain)cofunded by ERDF.
文摘CONSPECTUS:The production of cement is a key indicator of a region’s level of development.As such,its use is essential for any society aiming to create healthy,comfortable,safe and secure living and working environments.However,these benefits come at a price;Portland cement production accounts for≈8%of the total anthropogenic CO_(2)emissions.If cement fabrication was considered a country,it would rank as the third largest emitter,after China and the United States.Consequently,reducing the CO_(2)footprint of the construction industry is a societal need.Numerous low-carbon cement alternatives have been proposed,primarily involving the partial substitution of Portland clinker with materials that possess much lower CO_(2)footprints.However,these cements have not been widely adopted because they exhibit reduced mechanical strength at 1 day of hydration,failing to meet current practices for formwork stripping.Therefore,a primary objective is to elucidate the mechanisms of early age cement hydration to accelerate their hydration rates.