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Author ORCID Identifier

https://orcid.org/0009-0002-6552-6540

Date Available

6-4-2024

Year of Publication

2024

Document Type

Master's Thesis

Degree Name

Master of Civil Engineering (MCE)

College

Engineering

Department/School/Program

Civil Engineering

Faculty

Dr. Kamyar C. Mahboub

Faculty

Dr. Mei Chen

Faculty

Dr. Robert B. Jewell

Abstract

Self-consolidating, rapid-hardening concrete is a sought-after product in the market now, however the effects of admixtures on fresh and hardened concrete rheology are still uncertain. This study aims to create a self-consolidating concrete (SCC) using calcium sulfoaluminate (CSA) cement for its rapid-hardening properties, and tests two set time retarders and two viscosity-modifying admixtures (VMAs) to determine how they affect the properties of concrete. The properties studied in this thesis are workability, viscosity, set times, air content, compressive strength, and freeze-thaw resistance of self-consolidating concrete. It was found that tartaric acid creates a very workable SCC with consistent results regardless of VMA used while citric acid only works well with Hydroxypropyl Methylcellulose (HPMC) as a VMA and kills viscosity modifying properties of Welan Gum (WG).

Digital Object Identifier (DOI)

https://doi.org/10.13023/etd.2024.11

Funding Information

U.S. Army Corp of Engineers Research and Development Center (ERDC) and University of Kentucky Center for Applied Energy Research (UK CAER), funded from 2022-2023.

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