| 摘要 |
PROBLEM TO BE SOLVED: To provide a repairing material for heavy weight concrete that has a large density required for a radiation shielding member such as a nuclear facility and a weight of a heavy industrial machine and a ship, and that is capable of obtaining practical strength at an initial stage. SOLUTION: The repairing material for heavy weight concrete comprises 700-1,100 pts.mass of aggregate with a density of 4 g/cm<SP>3</SP>or more of which the mass ratio of those having a particle size of 1.2-0.6 mm to those having a particle size of 0.6 mm or less is 3:1-1:3, 30-60 pts.mass of water and 0.1-10 pts.mass of a water reducing agent calculated in terms of a solid content based on 100 pts.mass of cement. Also, it has a dried unit volume mass of 3 kg/L or more. COPYRIGHT: (C)2004,JPO&NCIPI
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