石炭灰利用植栽型ポーラスコンクリートの急斜面への適用 : 景観復元を目的とした火力発電所構内の急斜面での施工

抄録

Greenery concrete using both coal clinker ash and fly ash was developed as a new technique for recovery of nature. It was applied on a part of steep slope at the construction site of Tachibana Bay power plant. In this paper, the overview of the project and the construction methods on the cut steep slope and the investigation results of growth of trees were presented. The pre-cast porous concrete block, which has holes for root balls of trees, was used. Then, water retainer was filled into the void of the porous concrete and the thin layer of soil was sprayed. Almost all the trees showed good growth on the greenery concrete.