| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a hydrated hardened body containing a reinforcing bar excellent in salt damage resistance capable of being used as a structural member with a long term durability even in the ocean having a severe salt damage environment without setting any special installation. <P>SOLUTION: The hydrated hardened body containing a reinforcing bar excellent in salt damage resistance contains at least steelmaking slag and blast furnace slag fine powder, and the reinforcing bar is made of carbon steel. Preferably, the cover is 20 mm or more, the area ratio of the reinforcing bar to the area of the hydrated hardened body at a cross section perpendicular to the longitudinal direction of the reinforcing bar is 0.2-10%, the content of blast furnace slag fine powder in the hydrated hardened body is 100-600 kg/m<SP>3</SP>, and the hydrated hardened body contains fly ash in addition. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
