According to researchers at ETH Zurich,” have fabricated an 80 m2 lightweight concrete slab at the DFAB House, making it the world’s first full-scale architectural project to use 3D sand printing for its formwork”.
NTU Singapore develops technology that can 3D-print a bathroom unit within a day According to Assoc Prof Tan Ming Jen,” 3D-printing a bathroom unit could help manufacturers halve their production time while lowering transport costs, carbon emissions, and materials wastage. Less space is required to create and store the same number of PBUs in land-scarce Singapore since conventional PBUs take about two weeks before they can be ready.
By being able to print-on-demand, companies can save on their inventory costs as well as manpower costs, as they don’t have to hold as much stock and their workers can be redeployed to do higher-level tasks. This approach improves the safety of the workplace since robots are doing the construction of the bathroom unit.
According to team lead from Sembcorp Design and Construction, and Sembcorp Architects & Engineers Er Lie Liong Tjen, “3D printing technology allows concrete to be printed and customized. The complicated shape of a PBU and its walls can be developed and printed at a faster pace to satisfy the needs of individual customers as no formwork or molds are required, whereas conventional construction of PBUs with concrete or lightweight wall panels always limit the possibilities of design. In addition, 3D printing can build curvilinear profiles rather than rectilinear forms”.
The 3D print shell of a 4-bedroom house in 24 hours using
The large-scale 3D concrete printer.
According to Dr. Paul Tinari,” a demonstration of the 3D printer in Burnaby on Thursday. The beauty about this is that it can build a house of any size.
Tinari said his technology could build livable homes today, but one needs to subject it to testing and building code legislation needs to change. he hopes to soon build homes on a First Nation reserve on Vancouver Island, where provincial and federal building codes don’t apply. He also says his invention would be perfect for rebuilding communities hit by natural disasters, including parts of California ravaged by wildfires”.
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