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Advances in 3D Concrete Printing Technology

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Construction and Building Materials".

Deadline for manuscript submissions: closed (20 January 2023) | Viewed by 3905

Special Issue Editors


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Guest Editor
Singapore Centre for 3D Printing, School of Mechanical & Aerospace Engineering, Nanyang Technological University, Singapore City, Singapore
Interests: 3D printing; sustainable construction; rheology; cementitious materials; functionally graded materials
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Civil Engineering, International University of Business Agriculture and Technology, Sector 10, Uttara Model Town, Dhaka 1230, Bangladesh
Interests: advances in construction materials; waste recycling; durability of concrete; nanoparticles in cement-based materials; 3D concrete printing technology
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Mechanical Engineering, Indian Institute of Technology (IIT), Guwahati, India
Interests: additive manufacturing; polymer composites 3D printing; cement and ceramic composites; material characterization
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The adoption of 3D construction printing as a technological tool has increased over the past few years and led to many new fascinating projects all over the world. The addition of this innovative tool has changed the conventional construction process into a more sustainable one. There has also been significant growth in the number of studies in recent years on the technical aspect of this technology, such as its printing parameters, rheology, testing methods, fresh state properties, and mechanical properties, which were evaluated to ensure that the adoption of the technology can produce structurally safe elements for use.

Other improvements on the use of 3D construction printing have also been examined and used to improve the performance of the printed element. Technology such as artificial intelligence, reinforcement methods, close-loop machine vision, hybrid systems, and building information modelling (BIM) are revolutionary.

Furthermore, the non-technical aspect, which is the driver for the implementation of the technology, has also been gaining traction in the literature, with the financial, social, and legislation challenges being some of the obstructions for successful implementation of this innovative tool. This Special Issue aims to provide a compilation of up-to-date research on this emerging technology in terms of its technical and non-technical aspect. Reviews of the technology with a different perspective from the current existing literature are also welcome.

Dr. Daniel Yiwei Tay
Dr. Suvash Chandra Paul
Dr. Biranchi Panda
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • 3D/4D printing
  • additive manufacturing
  • modular construction
  • cementitious material
  • sustainable materials
  • rheology
  • extrusion
  • binder jetting
  • testing methods
  • computer-aided designs
  • topology optimization

Published Papers (2 papers)

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Research

18 pages, 20897 KiB  
Article
Tailoring Light-Weight Aggregates for Concrete 3D Printing Applications
by Yi Wei Daniel Tay, Ming Jen Tan and Teck Neng Wong
Materials 2023, 16(7), 2822; https://doi.org/10.3390/ma16072822 - 1 Apr 2023
Cited by 2 | Viewed by 1313
Abstract
Concrete 3D printing is a sustainable solution for manufacturing efficient designs and creating less waste, and selecting the optimal materials to use can amplify the advantages of this technology. In this study, we explore printing lightweight concrete by replacing normal weight aggregate with [...] Read more.
Concrete 3D printing is a sustainable solution for manufacturing efficient designs and creating less waste, and selecting the optimal materials to use can amplify the advantages of this technology. In this study, we explore printing lightweight concrete by replacing normal weight aggregate with lightweight aggregates such as cenospheres, perlite, and foam beads. We adopt a systematic approach to investigate mixtures using different formulation methods such as the specific gravity and packing factor methods to improve the printing and mechanical performances of the mixtures. The rheological results showed significant improvement in the flow characteristics of the different mixtures using both the specific gravity method and the packing factor method to formulate the mixtures. Furthermore, a statistical tool was used to achieve optimal performance of the mixtures in terms of high specific compressive strength, high flow characteristics, and good shape retention capability by maximizing the specific compressive strength ratio, slump flow, and the static yield stress, while minimizing the slump, dynamic yield stress, and plastic viscosity. With the above design objectives, the optimal percentages of the aggregate replacements (cenosphere, perlite, and EPS foam beads) were 42%, 68%, and 44%, respectively. Finally, the optimized results also showed that the mixture with cenosphere aggregate replacement had the highest specific strength. Full article
(This article belongs to the Special Issue Advances in 3D Concrete Printing Technology)
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24 pages, 11652 KiB  
Article
Mechanical Properties of Lightweight Cementitious Cellular Composites Incorporating Micro-Encapsulated Phase Change Material
by Zixia Wu, Yading Xu and Branko Šavija
Materials 2021, 14(24), 7586; https://doi.org/10.3390/ma14247586 - 10 Dec 2021
Cited by 5 | Viewed by 2640
Abstract
This work focuses on combining digitally architected cellular structures with cementitious mortar incorporating micro-encapsulated phase change material (mPCM) to fabricated lightweight cementitious cellular composites (LCCCs). Voronoi structures with different randomness are designed for the LCCCs. Aided by the indirect 3D printing technique, the [...] Read more.
This work focuses on combining digitally architected cellular structures with cementitious mortar incorporating micro-encapsulated phase change material (mPCM) to fabricated lightweight cementitious cellular composites (LCCCs). Voronoi structures with different randomness are designed for the LCCCs. Aided by the indirect 3D printing technique, the LCCCs were prepared with a reference mortar (REF) and a mortar incorporating mPCM. The compressive behavior of the LCCCs was studied at the age of 28 days, by experimental and numerical methods. It was found that the highly randomized Voronoi structure and the mPCM have minor negative influence on the compressive properties of the LCCCs. The mPCM incorporated LCCCs have high relative compressive strength compared to conventional foam concrete. Furthermore, the critical role of air voids defects on the compressive behavior was identified. The highly randomized porous Voronoi structure, high mPCM content and good compressive strength ensure the LCCCs’ great potential as a novel thermal insulation construction material. Full article
(This article belongs to the Special Issue Advances in 3D Concrete Printing Technology)
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