The result of hydration reaction shows that,with the help of alkali sulphate,the dissolved glass phases of reject fly ash at the early stage mainly join the pozzolanic reaction at the later stage.

• 水化程度测试的结果则表明 ,在早期碱式硫酸盐作用下大量溶解的废弃粗粉煤灰中的活性成分 ,要在后期才能够完全参与火山灰反应。