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Developing and Testing of Strain-Hardening Cement-Based Composites (SHCC) in the Context of 3D-Printing

1
Institute of Technology, Shimizu Corporation, Tokyo 135-8530, Japan
2
Institute of Construction Materials, Technische Universität Dresden, 01602 Dresden, Germany
*
Author to whom correspondence should be addressed.
Materials 2018, 11(8), 1375; https://doi.org/10.3390/ma11081375
Received: 4 July 2018 / Revised: 26 July 2018 / Accepted: 1 August 2018 / Published: 7 August 2018
(This article belongs to the Section Advanced Composites)
Incorporating reinforcement into the practice of digital concrete construction, often called 3D-concrete-printing, is a prerequisite for wide-ranging, structural applications of this new technology. Strain-Hardening Cement-based Composites (SHCC) offer one possible solution to this challenge. In this work, printable SHCC were developed and tested. The composites could be extruded through a nozzle of a 3D-printer so that continuous filaments could be deposited, one upon the other, to build lab-scaled wall specimens without noticeable deformation of the bottom layers. The specimens extracted from the printed walls exhibited multiple fine cracks and pronounced strain-hardening characteristics under uniaxial tensile loading, even for fiber volume fractions as low as 1.0%. In fact, the strain-hardening characteristics of printed specimens were superior to those of mold-cast SHCC specimens. View Full-Text
Keywords: digital concrete construction; 3D-concrete-printing; SHCC; ECC; fiber-reinforced concrete digital concrete construction; 3D-concrete-printing; SHCC; ECC; fiber-reinforced concrete
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MDPI and ACS Style

Ogura, H.; Nerella, V.N.; Mechtcherine, V. Developing and Testing of Strain-Hardening Cement-Based Composites (SHCC) in the Context of 3D-Printing. Materials 2018, 11, 1375. https://doi.org/10.3390/ma11081375

AMA Style

Ogura H, Nerella VN, Mechtcherine V. Developing and Testing of Strain-Hardening Cement-Based Composites (SHCC) in the Context of 3D-Printing. Materials. 2018; 11(8):1375. https://doi.org/10.3390/ma11081375

Chicago/Turabian Style

Ogura, Hiroki; Nerella, Venkatesh N.; Mechtcherine, Viktor. 2018. "Developing and Testing of Strain-Hardening Cement-Based Composites (SHCC) in the Context of 3D-Printing" Materials 11, no. 8: 1375. https://doi.org/10.3390/ma11081375

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