Study of Hydration Activation and Strength Development of Mortar with Alkanolamine Addition under Low Temperature Curing Conditions

Abstract:

This study evaluates the effectiveness of EDIPA, an alkanolamine admixture, in improving the early age strength and durability of GGBFS blended mortars under low temperature (5°C) curing. The experimental program comprised compressive strength tests, SEM/XRD analyses, and durability assessments via accelerated carbonation and drying shrinkage. Mortars with EDIPA achieved higher early age and 28 day strengths and exhibited a denser, more refined hydration microstructure. Durability also improved, as evidenced by reduced carbonation depth and lower shrinkage strain. These results indicate that a low dosage EDIPA approach is effective for securing structural performance and durability of mortar in cold weather construction.

• Periodical: Advances in Science and Technology (Volume 175)
• Pages: 167-173
• DOI: https://doi.org/10.4028/p-tyz0Zf
• Online since: May 2026
• Authors: Yougwoong Jung*, Lei Li, Sohee Moon, Seongpyo Kim, Jayeon Yun, Hyeonggil Choi
• Keywords: Alkanolamine, Ethyldiisopropylamine (EDIPA), Ground Granulated Blast Furnace Slag (GGBFS), Low Temperature

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