No matter what discipline you’re in, be it radio astronomy, computer science, power generation, etc, putting the prefix ‘giga’ in front of a term requiring it, gives it heft. This article will explore how using 3D laser scanning to monitor concrete construction can contribute to decarbonising this material.
From PBC Today.
This is especially true for the concrete industry and atmospheric studies, two fields that increasingly talk in terms of gigatonnes. Specifically, the 38-41bn metric tonnes of carbon dioxide released annually (from 2011-2020) by anthropogenic means and how best to reduce the output of this and other planet-warming chemical compounds.
Considering that the potential habitability of the planet, or at least our business-as-usual survivability, is at stake, this is not an inconsequential concern. These are big numbers. With even bigger implications. While much of the world is focused on decarbonising the global electric grid and speeding up the switch to electric vehicles, the concrete and construction industries are well aware of their own carbon culpability.
Cement contributes 25% of all industry CO2 emissions
That’s because buildings are responsible for nearly 40% of that gigantic 38bn tonne figure. From resource extraction, to assembly, to outgassing of materials, to transport of equipment and personnel, and demolition, construction can be a dirty business. The production of cement alone (an ingredient in concrete) as per an article in the Proceedings of the National Academy of Sciences, adds 8%, or 2.8 gigatons, to the global total. As an industry, cement contributes about 25% of all industry CO2 emissions.
Thus, reducing carbon dioxide pollution is of paramount concern, not only for the concrete industry but also for the planet at large. This is where 3D laser scanning can assist compared to more traditional measurement methods. For concrete workflows, 3D technology — solutions that now include a floor flatness and floor levelness app designed and developed by FARO, part of the Sphere, is having a transformative impact throughout the entire pouring and curing process.
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