Lime past f is a main component contributing workability of mortar,and an attivator ofPozzolanic effect of fly asb,and can improve the ability of tke mortar to resist to carbonation and chemi-cal attack.

• 石灰膏是决定砂浆和易性的主要因素，是粉煤灰进行火山灰反应的激发剂，并能提高砂浆抗碳化、腐蚀的能力。