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Abstract
„3D printers' has grown rapidly and since 2005, the home use of 3D printers has become practical. Systems developed for the construction industry are referred to as Construction 3D printers(Construction3Dprinting).Researchers are experimenting with different types of 3D printers and a range of raw materials and fabrication techniques to advance the technology and expand the range of potential applications to include structural building components and even whole buildings. Current research includes experimentation with a variety of raw materials including recycled plastic, bio plastics, concrete and a synthetic “stone-like” material created from a combination of sand and chemicals. Advanced 3D printers capable of extruding multiple materials. One of the advantages of 3D printing building construction is that the fabrication of reinforced concrete beams either done at site or in factories.