熱混合リサイクルされたSBS改変アスファルト混合物の水安定性と安全性に関する研究
Jie Sun1, Yu Cheng1, Guilian Zou2
1College of Transportation, Shandong University of Science and Technology, Qingdao, 266510, Shandong, China.
Scientific reports
|August 25, 2025
まとめ
エヴォーサーム添加物を用いたリサイクルアスファルト混合物 (RAM) は,疲労と水への安定性などの道路特性を改善します. この持続可能な技術は,アスファルトの用途に環境的,経済的利点をもたらします.
科学分野:
- 土木工学
- 材料科学
- 持続可能な舗装技術
背景:
- リサイクルアスファルトミックス (RAM) は,エネルギー節約と廃棄物の利用のために,ウォートミックス技術とリサイクルを統合しています.
- リサイクルされたアスファルトの結合剤と混合物の特性に対する効果を評価するために,表面活性添加物Evothermが選択されました.
研究 の 目的:
- リサイクルされたアスファルトの結合剤と混合物の特性に対するエヴォーサームの影響を調査する.
- ホットミックスRAMとホットミックスRAMの道路性能を比較する.
- ウォームミックスRAMの水安定性と安全性を分析する.
主な方法:
- リサイクルされたアスファルト粘着剤の特性 (浸透度,軟化点,柔らかさ) の評価
- 表面エネルギーと積層粘着の評価
- ホットミックスとホットミックスRAMの間の道路特性の比較分析,水の安定性に焦点を当てた.
主要な成果:
- エヴォーサームは,粘着剤の浸透度,軟化点,または柔らかさを大幅に変更することなく,表面エネルギーと積層粘着性を強化しました.
- ウォームミックスRAMは,ホットミックスRAMと比較して優れた疲労抵抗性,低温破裂抵抗性,および水への安定性を示した.
- 混ぜる温度,添加物の組み込み方法,および用量によってRAMの安定性が影響された.
結論:
- Evothermのような添加物を利用した ウォームミックスリサイクルアスファルト技術により 性能と持続可能性が向上します
- 混合パラメータと添加物の適用を最適化することは,温混合RAMの水安定性を最大化するために不可欠です.
- この研究は,熱混合リサイクルアスファルトの有効かつ安全な導入のための貴重なデータを提供します.
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