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Enhancing Ye’elimite-Gypsum Hydration and Microstructure in Cementitious Systems Using Layered Double Hydroxides

Year: 2025

Type: conference-paper

Abstract: This study evaluates the effect of nano-CaAlNO₃ layered double hydroxide (CAN LDH) on the early-age hydration of ye’elimite–gypsum systems. CAN LDH was synthesized via co-precipitation and added at 0%, 2%, and 5% dosages to ye’elimite–gypsum pastes. Isothermal calorimetry showed that LDH addition accelerated hydration, while XRD analysis confirmed increased ettringite formation, particularly at 5 wt%. The improvements are attributed to the LDH’s high surface area, ion release, and nucleation capabilities. Results suggest that CAN LDH enhances hydration kinetics and microstructure development, making it a promising additive for CSA-based low-carbon binders.

DOI: 10.5703/1288284317962

Authors: Godwin Ogbuehi, Monday Okoronkwo

Institution: Missouri University of Science and Technology

Language: English

Topic: Concrete and Cement Materials Research

Subfield: Civil and Structural Engineering

Field: Engineering

Domain: Physical Sciences

Open Access status: gold

Funders: National Science Foundation, Division of Civil, Mechanical and Manufacturing Innovation

Award: CAREER: Antiquity-Inspired Novel Stratlingite-Based Cementitious Binder (StraCem): A Lesson from Ancient and Modern Civilizations

OpenAlex ID: W4414558755

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