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| 再生橡胶改性沥青湿法工艺的研究 |
| Study on Wet Process of Recycled Rubber Modified Asphalt |
| Received:August 10, 2021 Revised:August 10, 2021 |
| DOI：10.12137/j.issn.2095-5448.2022.08.0369 |
| 中文关键词: 废旧轮胎 再生橡胶 沥青 改性 湿法工艺 |
| 英文关键词: waste tire recycled rubber asphalt modification wet process |
| 基金项目: |
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| 中文摘要: |
| 利用废旧轮胎再生橡胶改性沥青制备橡胶沥青混合料（RTR-MBS）。介绍RTR-MBS的生产工艺、现有技术规范、储存及其应用。再生橡胶改性沥青的湿法工艺分为“湿法-高粘度”和“湿法-无搅拌”工艺。无搅拌RTR-MBS在低温下的粘度远低于在高温下的粘度；高粘度RTR-MBS应用于开级配沥青路面层时，路面具有较好的耐氧化性能、耐久性能、耐反射裂缝性能；无搅拌RTR-MBS更适用于密级配沥青路面层。 |
| 英文摘要: |
| The recycling rubber from waste tires was used to modify asphalt to obtain the rubber-asphalt mixture（RTR-MBS）.The production processes，existing technical specifications，storage and application of RTR-MBS were introduced.The wet process of recycled rubber modified asphalt included “wet processhigh viscosity” and“wet process-no stirring” processes.The viscosity of non-stirring RTR-MBS at low temperature was much lower than the viscosity at high temperature. When the high viscosity RTR-MBS was used in the open graded asphalt pavement layer，the pavement had good oxidation resistance，durability and reflective cracks resistance.The non-stirring RTR-MBS was more suitable for densely graded asphalt pavement. |
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