Autodesk Analysis has partnered with Additive Tectonics to develop a brand new strategy to concrete flooring building utilizing 3D printing know-how. The collaboration combines 3D-printed formwork, pure fiber reinforcement, and low-carbon geopolymer concrete as alternate options to traditional constructing strategies.
The system addresses three points with conventional concrete flooring: single-use formwork waste, materials inefficiency in flat slab designs, and excessive carbon emissions from cement and metal manufacturing. In keeping with the businesses, cement accounts for roughly 8% of worldwide COâ‚‚ emissions, whereas metal contributes one other 7-9%.
Additive Tectonics makes use of Selective Cement Activation (SCA), a particle-bed manufacturing methodology that binds dry mineral powder in layers. For this undertaking, the businesses used econitWood, an upcycled wood-mineral composite, to create everlasting formwork with optimized ribbed geometry. The design course of utilized Autodesk Inventor Nastran to take away extra materials and reinforce areas primarily based on structural load necessities.
The reinforcement system replaces metal rebar with flax fibers, that are robotically positioned throughout the complicated formwork geometry utilizing steady winding paths. A potassium-activated geopolymer mortar serves because the concrete various, bonding with the flax fiber reinforcement. The businesses report this mixture produces a lighter and stronger flooring slab in comparison with standard strategies.
Future improvement may embody embedded constructing companies and attachment factors instantly within the slab design, doubtlessly eliminating the necessity for suspended ceilings. Additive Tectonics plans to proceed refining the system for deployment in building initiatives.
Supply: analysis.autodesk.com