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3D-Printing Technology for on-site Construction

bauma 2016 awarded multi-disciplinary research project of TU Dresden, Germany


Concrete is the world's most widely used construction material; currently more than half of it is ready-mix concrete; for instance, 46 Mi. m3 in Germany. For placing most types of concrete, especially those of ready-mix concrete, formworks are needed. The use of formworks often leads to high material, labor and machinery costs in addition to considerable time delays and negative environmental impact. Other impor- tant challenges faced by construction industry are low productivity and scarcity of man-power, limited geometrical freedom, slow speed of construction, construction in hazardous or remote areas, cost reduction and sustainability. To overcome these challenges, a novel approach for 3D-Concrete-Printing technology for on-site construction is being developed at the TU Dresden. Some advantages of CONPrint3D® tech- nology are no need of formwork (thus up to 45% cost reduction), high geometrical flexibility, usage of commonly used construction machin- ery and low dependency on skilled labor. This article provides a short introduction to 3D-printing of construction elements and also gives brief overview of CONPrint3D.

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Technische Universität Dresden
Institute of Construction Materials, Dresden, Germany

CPi worldwide journals are trade journals for the concrete and precast concrete industry that are published in 10 different language editions in more than 170 countries. These trade journals, with their practical editorial reporting on research, production and applications, are specifically addressing the decision makers of the concrete and precast concrete industry.

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