The world's largest building 3D printed with real concrete has been completed thanks to a collaboration between a construction materials firm and an additive manufacturing automation provider.
"We've been reporting on the latest developments in 3D printing, including how it's now being utilized with a variety of starting materials, including steel. When it comes to building, however, the "ink" utilized is usually a proprietary dry mix of mortar components, which not only limits the technology's adoption but also raises construction costs." Interesting Engineering reporter.
CEMEX, a Mexican corporation that provides materials for traditional building construction, collaborated with Construction of Buildings on Demand (COBOD), a 3D printing technology supplier located in Denmark, to address the problem. According to 3DPrint, their technique decreases proprietary ink in 3D printing of structures to less than 1% of the cement mixture, making it very scalable.
A significant reduction in building expenses is an added benefit. While dry mix mortars used for 3D printing cost €700-900 ($791-1,018) per cubic meter of building, D.fab might reduce the cost to €60-90 ($67-101) per cubic meter of construction. In addition, the construction time could be cut in half, resulting in even more savings.
The team showed its method by constructing a 2,100 square foot (190 square meter) house in Muscat, Oman's capital city. The house was 3D printed in two stages, with D.fab additives obtained from Europe. A local team was trained on the printing process during the first step, and they subsequently completed the second stage of printing fully on their own, according to 3DPrint.com.
Source: INTERESTING ENGINEERING 3D Printing
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