Date of Award

May 2024

Document Type

Thesis

Degree Name

Master of Science (MS)

Department

Civil Engineering

First Advisor

Sattar Dorafshan

Abstract

Additive manufacturing in construction has surged in recent years. This thesis explores the advancements of 3D Concrete Printing (3DCP) within additive construction. Through an exhaustive analysis of 137 built projects and various publications, the research synthesizes the states of research and practice of 3DCP technology. It offers insights into key factors influencing 3DCP structural performance, its potential advantages, and challenges. Additionally, the feasibility of employing 3DCP for constructing unreinforced structures, particularly unreinforced concrete pipes, is evaluated through series of experiments. The research aims to ensure compliance with standards and evaluate their suitability for real-world transportation applications by conducting structural, fresh, and long-term mechanical tests on 3DCP pipes. Furthermore, inherent differences and potential weaknesses of 3DCP is identified and extensively studied. This research underscores the transformative potential of 3DCP technology while addressing critical challenges in its implementation.

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