3D concrete printing 1 3D printing 1 Back Propagation Neural Network 1 History of engineering & technology 1 NMR 1 Random Forest 1 Technology: general issues 1 aging kinetics 1 anisotropy 1 asphalt binder and mixture 1 asphalt mixture 1 asphalt mortar 1 asphalt pavement 1 beetle antennae search 1 bio-oil asphalt/water emulsion 1 building demolition waste 1 carbonation 1 cement stabilized soil 1 cement-based aggregate 1 cement-based materials 1 cement-stabilized 1 coarse aggregate 1 compatibility 1 composite modification 1 corrosion 1 curing conditions 1 diversion tunnel 1 dredged sediment 1 expansion 1 experimental study 1