| 摘要 |
PROBLEM TO BE SOLVED: To obtain a blasting material having excellent initial strength, adhesive force and coagulating characteristic, without occurrence of hanging down, hard to generate dust and with low level of backlash. SOLUTION: The blasting material comprises cement concrete, a liquid quick setting agent and an alkali-free powder quick setting agent, where the liquid quick setting agent is preferably an alkali-free liquid quick setting agent. It may further comprise a water reducing agent. |
