| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a grout, easy for filling, easy for handling, capable of obtaining a desired compression strength and protecting the invasion of a substance corroding the PC steel material, and a PC construction capable of being easily produced and excellent in endurance. SOLUTION: This grout contains (1) a high belite-based portland cement containing >=40 wt.% belite; (2) a polycarboxylic acid-based high performance water-reducing agent; (3) an inorganic admixing agent; and (4) water, and a pre-stressed concrete construction containing the above grout in its duct.</p> |
