Enhancing the addition of fly ash from thermal power plants in activated high belite sulfoaluminate cement

- Borax was introduced as an activator to change the polymorph of belite from β to α'.
- Hydration heat of activated HBSC was 382 J/g, while that of inactive HBSC was 311 J/g.
- Fly ash in cement was increased from 5 % (β-C2S-C4A3$) to 12 % (α'-C2S-C4A3$).