| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a high strength and high durable spray material having a compressive strength of >=70 N/mm2 at a material age of 28 days in the spray material, having a dense texture in hardened body of the spray material, and excellent in chemical resistance. SOLUTION: A high strength spray material consisting of a compound containing at least a cement, a pozzolanic fine powder, aggregates having particle diameters of <=2 mm, a water reducing agent and an accelerating agent. Further, the compound may contain a metal fiber and/or an organic fiber, and an inorganic powder, fibrous particles or flaky particles.</p> |
