| 摘要 |
<p>PROBLEM TO BE SOLVED: To obtain a filler for steel plate lining process having very little expansion or shrinkage, which is capable of easily filling into the details, expresses high strength and toughness after hardening, and can afford stable durability and enhanced strength to the objective construction. SOLUTION: This filler comprises a composition containing at least cement, pozzolan fine powder, aggregate under 2 mm size, water and water reducing agent.</p> |
