ゴムアスファルトモルターの材料パラメータがマイナス温度下での摩擦性能に与える影響
Hui Dou1,2, Bo Li1, Peng Zhang3
1Gansu Industry Technology Center of Transportation Construction Materials Research and Application, Lanzhou Jiaotong University, Lanzhou 730070, China.
Materials (Basel, Switzerland)
|February 13, 2026
まとめ
ゴム化されたアスファルトモルタルに含まれるゴム粉の高さは,タイヤの摩擦力を高めます. しかし,充填剤と結合剤の比率を増やすと温度感度が悪化し,動的摩擦係数 (DFC) に影響する.
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
- トリボロジ トリボロジ トリボロジ トリボロジ
背景:
- ゴム化されたアスファルトモルターは,道路建設における持続可能な代替手段です.
- タイヤ・ゴム化アスファルトの摩擦を理解することは,道路の安全性と性能にとって極めて重要です.
研究 の 目的:
- タイヤゴムとゴム化されたアスファルトモルタルとの摩擦性能を調査するために.
- 摩擦特性に対する材料パラメータの影響を分析する.
主な方法:
- 摩擦試験は摩擦係数テスト機を用いて行われました.
- 動的摩擦係数 (DFC) と摩擦力を測定した.
- 重要なパラメータに関する統計的有意性分析が行われました.
主要な成果:
- 粉末ゴム含量 (CRC) とフィーラー・ツー・バイダー比 (F/B) は,摩擦特性を有意に予測する.
- 増加したCRCとF/Bは,より高い摩擦係数と正に相関する.
- 高CRC (30%) は摩擦の温度感度を低下させる.
- F/Bが上昇すると,DFCの温度による変動が増加します.
結論:
- 材料の組成,特にCRCとF/Bは,ゴム化されたアスファルトモルタルとタイヤゴムとの摩擦に影響を及ぼします.
- CRCとF/Bの最適化は,摩擦性能と温度安定のバランスをとるために不可欠です.
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