LIQUID ACCELERATOR COMPOSITIONS FOR SHOTCRETE AND SHOTECRETE COMPRISING THE SAME

摘要

PURPOSE: A liquid accelerator compositions for shotcrete and the shotcrete comprising the same are provided to exhibit excellent quick-setting and bonding properties as well as long-term intensity. CONSTITUTION: A liquid accelerator compositions for shotcrete comprises 5-15wt% of metakaolin, 30-40wt% of aluminium sulfate, 1-5wt% of amines, 3-10wt% of aluminium hydroxide, 4-10wt% of hydrofluoric acid, 0.5-2wt% of dispersing agent, and the remainder of water.