Strength doubles at 40 °C
A calcium carbide residue-fly ash-NaOH geopolymer binder for stabilizing marine soft clay, with a validated model capable of predicting long-term strength at different temperatures within ~10% error.
Chongxian, Suo · Wang, Yuanlong · Xue, Zhijia
Scientific Reports 2025
7-day strength at 40 °C is 2.44 times that at 20 °C
SEM indicates strength gain from pore filling, cementitious products, and ion exchange
Higher curing temperature enhances reaction rate and generates more cementitious products