The K_2SiO_3 solution shows the best activative effect,the compressive strength of fly ash-based geopolymers increases with increasing concentration of K_2SiO_3 solution.

• 激发效果最好的是K2SiO3溶液; 随着K2SiO3溶液浓度的提高,粉煤灰基地聚合物的抗压强度逐渐提高;