Japan: Lib Work has outlined a new 3D printing method that involves the use of a novel alternative concrete produced using 65% sand and soil. The concrete contains a lime-based binder and natural fibre reinforcement. The resulting materials offers Grade 3 earthquake resistance. It reduces a new house’s embodied CO₂ emissions by 55% compared with ordinary construction methods to 22.4t of CO₂, according to the developer.

CO2 sustainability alternative raw materials sand construction 3D printing biomass lime performance Japan research Lib Work