| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide concrete having a slower deterioration rate and a longer service life.SOLUTION: The concrete is obtained by curing a concrete composition at least containing a binder including blast furnace slag Su and sodium silicate NS, and in which the molar ratio between an SiOcomponent and an NaO in the sodium silicate NS, S/N is 1.0 to 2.0, the weight ratio between the blast furnace slag Su and the sodium silicate NS, Su/NS is 3 to 10, and a water-binder ratio as the ratio between kneaded water W and the binder P, W(Su+NS) is 42% or lower.</p> |
