INTRODUCTION

The ICEL Laboratory’s research focuses on various fields ranging from material properties to structural behavior of concrete, which is the most widely used construction material in the construction sector. Experimental studies on various scales ranging from microstructure analysis of concrete to measurement of real structures are carried out, and the behavior of structures is simulated through advanced computational analysis. We also carry out analytical studies to develop more accurate analytical models. Currently, research on the development of new construction materials and the time-dependent behaviors of concrete is underway, which is expected to create new power for construction industry and contribute to the creation of sustainable social systems.

3D concrete printing

3D concrete printing uses extremely large-scale 3D printers, often measuring 30 feet in height and length to extrude concrete from a nozzle. These machines generally come either as gantry or robotic arm systems. The application of extrusion-based 3D concrete printing eliminates the necessity for conventional casting, by accurately placing specific volumes of material in successive layers through a computer-controlled positioning procedure. 3D printing concrete has the advantages of relatively low cost, possibility to produce complex geometric shapes, the ease in operation, suitability for production in small volumes, and the straightforward integration of computer-aided design (CAD) software.

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