多重固体廃棄物の相乗活性化に基づく3Dプリントフォスフィギプスコンクリートの強度強化
Junjie Li1, Yangbo Li1, Xianqiang Ge2
1College of Hydraulic and Environmental Engineering, China Three Gorges University, Yichang 443002, China.
Materials (Basel, Switzerland)
|February 13, 2026
まとめ
この研究は,3DプリントされたPGコンクリート (3DPPGC) を開発することにより,フォスフォギプス (PG) の利用を向上させます. 補足的なセメント材料による最適な混合設計は,持続可能な建設アプリケーションのための機械的性質を大幅に高めます.
科学分野:
- マテリアルサイエンス 材料科学
- 土木工学 土木工学とは
- 環境科学 環境科学
背景:
- フォスフォギプス (PG) は,利用量が低い主要な産業副産物であり,環境問題を引き起こしています.
- 3Dプリントコンクリート (3DPC) は新しい建設可能性を提示しますが,PG統合にはさらなる研究が必要です.
- 多重廃棄物システムにおける相乗効果を理解することは,高価値のPGアプリケーションにとって極めて重要です.
研究 の 目的:
- 持続可能な建設のための3Dプリントされたフォスフィジプスコンクリート (3DPPGC) の実現可能性を調査する.
- 3DPPGCの混合比率を最適化して,機械性能を向上させる.
- 高価値アプリケーションのためのPGベースの複合材料の強化メカニズムを解明する.
主な方法:
- 異なるセメント置換比率 (CRR) を有する3DPPGCの試料を設計・製造.
- 最適なCRRを決定し,機械的性質を評価するために実験的な試験を実施しました.
- 開発された複合材料の微細構造と強度強化メカニズムを分析した.
主要な成果:
- 3DPPGCの最適なセメント置換比率 (CRR) は70%であることが判明しました.
- 3DPPGCは,y方向で28日間の屈折強度4.69MPaを達成し,鋳造型と比較して1.52%増加しました.
- PGを高炉スラグ,フライアッシュ,およびシリカ煙と併用することで,早期および後期の強度が大幅に改善されました.
結論:
- 3DPPGCは,インテリジェント・コンストラクションにおける高価値のフォスホイジプスムの利用の可能性を示しています.
- 最適化された混合設計と補足材料により,PGベースの3Dプリントコンクリートの機械性能が向上します.
- この研究は,持続可能な建材におけるPGの大規模な応用のための基盤を提供します.
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