The Organizing Committee invites you to submit extended abstract and full paper (optional) on or before 1 August 2024. Please use the templates provided when preparing your extended abstract and full paper.

Only one extended abstract/full paper is allowed per registration.

After the conference, the Organizing Committee will select a number of high-quality full papers, and invite the authors to submit the journal version of the selected conference paper to ENGINEERING STRUCTURES for consideration. These selected papers will go through the FAST REVIEW ROUTE of the journal.

Registration Fee:
The registration includes the Proceedings (online), book of abstract (e-copy), coffee/tea, and lunches.

Regular attendee: USD800
Student (full-time non-local): USD550
Student (full-time local): USD450
Conference banquet: USD100 (Venue: TBC)

Mini-Symposium

Title: Sustainable Materials and Durability of 3D-Printed Concrete Structures
Chair: Prof. Biqin DONG (Shenzhen University), Prof. Wujian LONG (Shenzhen University), Prof. Jianguo DAI (City University of Hong Kong)
Organizer: Prof. Yanshuai WANG (Shenzhen University), Prof. Xiangping XIAN (City University of Hong Kong)

3D-printed concrete is an emerging and innovative technique that fabricates concrete structures with increased construction efficiency. This process involves material selections, so this symposium will discourse and address the potential sustainable supplementary cementitious materials (SCMs) for 3D printing of concrete including geopolymer cementitious materials, municipal solid waste incineration (MSWI) residues, limestone powder (LP), recycled concrete powder, nanoparticle-stabilized foam materials, industrial waste materials (i.e., fly ash, GGBFS), etc. The proper application of waste-converted SCMs cannot only reduce the carbon footprint of 3D-printed concrete but also contribute to a circular economy. In addition, the involvement of waste-derived artificial aggregates such as alkaline-activated MSWI aggregates, carbonation-treated aggregates, crushed lime-mud lightweight aggregates, and so on can further enhance the low-carbon aspect ratio of 3D-printed concrete. Lastly, some durability issues of 3D-printed concrete structures will be discussed in terms of shrinkage behavior, fire resistance, freeze-thaw damage, and so on to assess the long-term structure performance as well as environmental impact. Anyone interested in the above relevant topics are welcome to join this symposium, enjoy discussions and explore cooperation opportunities.

Title: ECC/SHCC/UHPC Materials and Technologies for 3D Concrete Printing
Chair: Prof. Shunzhi QIAN (Nanyang Technological University)
CO-Chair: Prof. Li WANG (Hebei University of Technology) and Prof. Yiwei WENG (The Hong Kong Polytechnic University)

Engineered Cementitious Composites (ECC), Strain-hardening Cementitious Composites (SHCC) and Ultra-high Performance Concrete (UHPC) are novel concrete materials characterized by high ductility and/or high strength, which are conducive to producing durable and sustainable concrete structures. If designed properly,  durable rebar-less structures may be constructed with these materials, taking advantage of their unique characteristics for certain applications. On the other hand, 3D concrete printing (3DCP) as an innovative and highly productive construction method has been partially hindered by the lack of suitable methods to incorporate steel reinforcement in its process. The marriage of ECC/SHCC/UHPC and 3DCP could potentially liberate 3DCP from this burden and pave its way for much wider industrial adoptions towards more durable and sustainable infrastructures. New research results and literature review related to this topic are both welcome.

Title: 3D Printing Technology for Building 3D Printing Modeling and Simulation
Chair: Prof. Xingyi ZHU (Tongji University), Prof. Francisco A. GILABERT (Ghent University) and Dr. Binbin YIN (The Hong Kong Polytechnic University)

3D printing technology has extensive prospects in the field of construction, offering unique advantages in terms of environmental friendliness, cost-effectiveness, constructability and applicability to different scenarios. The symposium will approach the topic from three perspectives: exploring printing materials properties, examining effective printing strategies, and evaluating the performance characteristics of 3D printed architectural components. By leveraging Computational Fluid Dynamics (CFD) and Deep Learning (DL) methods, the complex interrelationships between material composition, rheological properties, printing strategies, and the ultimate performance of 3D printed architectural elements will be discussion. This knowledge will pave the way for the successful industrialization and widespread adoption of 3D printing technology in the built environment. Overall, the research seminar aims to offer innovative solutions and strategies to unlock the full potential of 3D printing in architecture, emphasizing its unique advantages and contributing to the sustainable development of the construction industry.

Title: Low-Carbon Materials for 3D Concrete Printing
Chair: Prof. Zhenhua DUAN (Tongji University), Prof. Dengwu JIAO (City University of Hong Kong)
Organizer: Prof. Xiangping XIAN (City University of Hong Kong)

3D concrete printing (3DCP) technology has emerged as a critical initiative to drive forward the green, ecological, intelligent, and efficient construction process. The utilization of materials such as recycled aggregates, tailings slag, and industrial solid wastes in 3DCP can further diminish the embodied carbon emissions. This symposium will investigate the feasibility of employing low-carbon materials in 3DCP from three perspectives, i.e., examining the rheology and printability of the materials, analyzing the mechanical properties and interface characteristics after hardening, and assessing the life-cycle environmental benefits of printed buildings using low-carbon materials. By evaluating the fresh properties, post-hardening properties, and long-term properties of the printed materials, the feasibility of integrating solid waste material components with various printing strategies in 3D printed construction will be deliberated. These discussions aim to provide a research foundation and systematic solution for the large-scale application of solid waste materials in 3D printing. By emphasizing the environmental benefits of these materials, this symposium intends to offer innovative design approaches for low-carbon buildings using 3DPC and contribute to the sustainable development of the construction industry.

You may download the Template of Extended Abstract here

You may download the Template of Full Paper here