| 摘要 |
PURPOSE:To produce hardened material of cement having excellent mechanical strength and cutting processability. CONSTITUTION:100 pts.wt. cement is blended with 50-200 pts.wt. fine aggregate having 100-500mum average particle diameter, 30-60 pts.wt. water and more preferably 0.1-1.5 pt.wt. water reducing agent, pressurized, dehydrated, molded and cured to produce a hardened material of cement. |
