2-14　Development of Coal Fly Ash mixed material (FSB; FA-Shell Block) for Seaweed Bed Restoration

Abstract

To develop the civil engineering materials for artificial seaweed forest, the solidification material mixed with unburned pulverized shell (FA-Shell Block; FSB) was made without using cement. To increase the specific gravity of the materials by blending aggregate was investigated. Ans also its initial strength by steam curing tests was carried out in this study. It was found that the initial strength of FSB can be increased by blending blast furnace slag increased by blending blast furnace fine slag powder (BFS) and steam curing. On the other hand, since the strength development by long-term curing was reversed with wet curing, it is necessary to consider the optimum curing method from a cost perspective.