| 摘要 |
PROBLEM TO BE SOLVED: To provide a concrete mixture having ductility owing to the suitable selection of glass fiber, concrete and the other components and their relative amounts.SOLUTION: Disclosed is ultrahigh performance concrete with ductility comprising: portland cement of 100 by relative weight part; sand in which D10 to D90 have a single particle diameter between 0.063 mm and 5 mm or a mixture of sand including the finest sand having D10 to D90 between 0.063 and 1 mm and the coarsest sand having D10 to D90 between 1 mm and 5 mm of 50 to 200; a particulate pozzolan or non-pozzolan material or their mixture having the average particle diameter smaller than 15 μm of 0 to 70; a water reduction fluidization agent of 0.1 to 10; and water of 10 to 30, and also comprising glass fiber having an aspect ratio of 6 to 120 in 0.5 to 5 vol.% to the volume of the cured mixture. |
