| 摘要 |
PROBLEM TO BE SOLVED: To provide a spraying material free from alkali-caused damage, having improved adhesion in spraying, and capable of reducing a rebound and suppressing the dust generation during spraying. SOLUTION: The spraying material contains a liquid accelerating agent, which contains aluminum sulfate, calcium aluminates, a water reducing agent and water, a cement concrete and an inorganic powder. The spraying material may further contain a thickener and a fiber. |
