Microwave-accelerated curing of cement-based materials: compressive strength and maturity modeling

摘要

Microwave energy is applied to cure cement-based materials with microwave power and time of application. First, the dielectric permittivity of them during a 24-hour first-hydration period at a frequency of 2.45 ± 0.05 GHz is measured and analyzed. Second, the characteristics of hardened cement paste as subjected to microwave energy with multi-mode rectangular wave guide, with specific attention to temperature rise, microstructure and development.