Fresh properties and autonomous deposition of pseudoplastic cementitious mortars for aerial additive manufacturing

Additive Manufacturing (AM) in relation to the construction industry is an emerging technology. However, ground-based AM on construction scales may be limited by the dimensions, reach and weight of the ground-based deposition platform. Aerial additive manufacturing (AAM) can revolutionise constructi...

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Bibliographic Details
Published in:IEEE access 2024-01, Vol.12, p.1-1
Main Authors: Dams, Barrie, Chen, Binling, Kaya, Yusuf Furkan, Orr, Lachlan, Kocer, Basaran Bahadir, Shepherd, Paul, Kovac, Mirko, Ball, Richard J
Format: Article
Language:English
Subjects:
3D printing feasibility
Active appearance model
Additive manufacturing
Aerial additive manufacturing
Automation
Autonomous aerial vehicles
Composite materials
Computed tomography
Construction industry
Customization
Deposition
Drone aircraft
Drone vehicles
Extrusion
Manufacturing
Mechanical tests
Mortar
New technology
Payloads
Propellers
pseudoplastic cementitious material
Pseudoplasticity
Rheological properties
Rheology
Three-dimensional printing
Unmanned aerial vehicles
Workability
Yield stress
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Summary:Additive Manufacturing (AM) in relation to the construction industry is an emerging technology. However, ground-based AM on construction scales may be limited by the dimensions, reach and weight of the ground-based deposition platform. Aerial additive manufacturing (AAM) can revolutionise construction-based AM by employing multiple untethered unmanned aerial vehicles (UAV, known as 'drones') depositing material using miniature deposition devices. This study investigates aerial platform and cementitious material requirements for AAM and details development of structurally viable cementitious composite material with suitable rheological properties to demonstrate AAM as a novel aerial approach to complement ground-based activities. A synergistic combination of natural hydrophilic and partially synthetic hygroscopic polymeric hydrocolloids was developed in cementitious material to achieve optimal rheology properties in the fresh state. Analysis involved oscillation and flow tests, calorimetry, microscopy, computed tomography and mechanical tests. AAM application considerations focused on technical characteristics of UAV platforms, flight times, payloads and developed extrusion systems with optimal nozzle dimensions. Results demonstrate critical material parameters of 1700 kg/m 3 density, 4° phase angle, 1.1 kPa yield stress,
ISSN:2169-3536
2169-3536
DOI:10.1109/ACCESS.2024.3373188