In sincere gratitude for shaping his valuable knowledge in the keynote speech during the 2019 Autumn Conference of Korean Recycled Construction Resources Institute held at Jeju Island, Korea.（韓国?済州島で開催された韓国建設循環資源学会の2019年秋季大会で、基調講演者を務めたことへの感謝）
発表（研究）内容^※
※本学アジア研究所公募型ＰＪ「アジアの建設工事における再生骨材コンクリートの普及展開」にて実施中 Abstract: Concrete is durable and can last for centuries. The waste from demolished concrete structures can be reused to reduce the burden of life-cycle and to ensure economic use of the construction resources. This study aims to improve the use of recycled aggregate using the aggregate replacement method, effectively reducing both the environmental burden and costs associated with the concrete waste. The results of this study provide evidence for the effectiveness of using low-quality recycled aggregate such as class L in Japanese industrial standard (JIS) directive (JIS A 5023).