Abstract
The recent abnormal temperature phenomena such as the rise of global mean temperature and sea level due to global climate change are clear threats that can no longer be overlooked to the human beings who have pursued indiscriminate development and rapid growth. Climate change has emerged as a serious risk that threatens the survival of the entire human race from the environmental and ecological aspects, despite international efforts for several decades. The CO2 concentration in the atmosphere has increased by approximately 39% since the industrial revolution. Even if carbon emissions are stopped right now, it is expected to take at least 50–200 years to return to the CO2 level before the industrial revolution. Therefore, we conducted an experimental study to develop a carbon-capturing concrete that has active as well as passive carbon reduction functions using blast-furnace slag, an industrial byproduct, instead of cement. For active carbon reduction, we used calcium hydroxide and sodium silicate as carbon capture activators, and conducted tests on mechanical properties and durability characteristics.
Highlights
Climate change has emerged as a serious risk factor that threatens the survival of the entire human race from the environmental and ecological aspects, despite exerting the international efforts for several decades [1]
In the values were similar they increased with the rising cement replacement ratio
The slump variables where the cement replacement ratio increased in 10% unites from 20% to 40%, the slump differences by the variable of the carbon-capturing concrete with respect to the cement replacement values were similar they increased with the rising cement replacement ratio
Summary
Climate change has emerged as a serious risk factor that threatens the survival of the entire human race from the environmental and ecological aspects, despite exerting the international efforts for several decades [1]. Even if carbon emissions are stopped it is expected to take at least 50–200 years to return to the CO2 level before the industrial revolution [1]. To cope with this problem, global greenhouse gas (GHG) reduction measures have been made, such as the. Climate change is a critical global issue, and as one of the world’s top 10 countries in GHG emissions, South Korea has set up “carbon reduction technology development” as a new pillar of national development vision, developed related technologies and established laws since 2008 [4]. To take part in the development of carbon reduction technologies in the
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