Multiscale Characterization and Design for 3D Concrete Printing: Material Formulation, Printing Process, and Mechanical Behavior
Author(s)
Rider, Bo
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Abstract
The field of 3D concrete printing (3DCP) has attracted growing interest from both research and industry, yet its successful implementation remains limited by an incomplete understanding of the processes governing printability and structural performance. While prior work has emphasized the importance of fresh-state material tailoring and process design and control, the fundamental mechanisms linking these criteria to material behavior and mechanical performance are not yet well established. This report investigates the relationships between 3DCP processing, material structure, and mechanical response in cementitious materials. The influence of printing is explicitly examined by linking microstructural characteristics of printed and cast components to their macroscopic physical behavior. Rheological measurements are used to guide the development of printable material formulations and to evaluate the role of fresh-state mechanical behavior in printing success. Additionally, the compressive and flexural responses of printed and cast specimens are quantitatively and qualitatively compared to assess the effects of printing-induced anisotropy and interlayer interfaces on mechanical failure. Collectively, this work advances the scientific understanding of cementitious materials in the context of additive manufacturing, contributing to improved reliability and performance of 3D concrete printing as a construction technology.
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Date
2026-01
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Text
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Masters Project
Capstone Paper
Capstone Paper
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