Mechanical anisotropy evaluation and bonding properties of 3D-printable construction and demolition waste-based geopolymer mortars

NC Demiral, MO Ekinci, O Sahin, H Ilcan, A Kul… - Cement and Concrete …, 2022 - Elsevier
This work aims at evaluating the anisotropy (direction-dependency) in terms of mechanical
performance and bonding properties of entirely construction and demolition waste (CDW) …

Bond properties and anisotropy performance of 3D-printed construction and demolition waste-based geopolymers: Effect of operational-and material-oriented …

H Özkılıç, H İlcan, E Aminipour, MS Tuğluca… - Journal of Building …, 2023 - Elsevier
This study investigated the bond performance of printed construction and demolition wastes
(CDW)-based geopolymer, providing utilization of CDW in green materials through high tech …

Tough double-bouligand architected concrete enabled by robotic additive manufacturing

A Prihar, S Gupta, HS Esmaeeli, R Moini - Nature Communications, 2024 - nature.com
Nature has developed numerous design motifs by arranging modest materials into complex
architectures. The damage-tolerant, double-bouligand architecture found in the coelacanth …

Quantitative microstructural investigation of 3D-printed and cast cement pastes using micro-computed tomography and image analysis

R Moini, A Baghaie, FB Rodriguez, PD Zavattieri… - Cement and Concrete …, 2021 - Elsevier
Microstructural phases and mechanical properties of lamellar 3D-printed and cast hardened
cement paste (hcp) elements were investigated using a lab-based X-ray microscope at two …

[HTML][HTML] Fracture and transport analysis of heterogeneous 3D-Printed lamellar cementitious materials

S Gupta, HS Esmaeeli, A Prihar, RM Ghantous… - Cement and Concrete …, 2023 - Elsevier
This paper investigates the spatial characteristics of microstructural phases in relation to the
fracture toughness in Mode-I/II and transport behavior in two orthogonal directions of …

Drying behavior of 3D printed cementitious pastes containing cellulose nanocrystals

RM Ghantous, Y Valadez-Carranza, SR Reese… - Cement, 2022 - Elsevier
This study uses neutron radiography to evaluate the drying of printed cement paste samples
containing cellulose nanocrystals (CNCs). CNCs have previously been used in printed …

Mechanical response of small-scale 3D-printed steel-mortar composite beams

FB Rodriguez, R Moini, S Agrawal, CS Williams… - Cement and Concrete …, 2024 - Elsevier
This paper presents the mechanical properties of composite beams additively manufactured
by 3D-printing of layers of mortar on top of custom-designed (also 3D-printed) steel plates …

Tough and Ductile Architected Nacre‐Like Cementitious Composites

S Gupta, HS Esmaeeli, R Moini - Advanced Functional …, 2024 - Wiley Online Library
Enhancing fracture toughness and ductility of brittle materials such as concrete remains a
challenge. Nature offers numerous mechanisms to enhance fracture toughness using …

Perspectives in architected infrastructure materials

R Moini - RILEM Technical Letters, 2023 - letters.rilem.net
This paper presents perspectives and progress in the emerging field of architected
infrastructure materials. Recent developments in advanced and additive manufacturing with …

[PDF][PDF] Linking solids content and flow properties of mortars to their three-dimensional printing characteristics

FB Rodriguez, J Olek, R Moini, PD Zavattieri… - ACI Materials …, 2021 - researchgate.net
Layer-by-layer additive manufacturing (AM) of cement-based elements requires an
understanding of the fresh-state characteristics of the materials. The focus of this work was …