A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention discloses an environment-friendly warm mix asphalt mixture and a preparation method thereof. The asphalt mixture comprises the following raw materials in parts by weight: 10-15 parts ofpretreated asphalt, 80-90 parts of aggregate, 5-8 parts of mineral powder, 2-3 parts of silica fume, 2-3 parts of fly ash, 3-7 parts of a modified warm mixing agent, 8-12 parts of a first additive and8-10 parts of a second additive. The invention discloses an environment-friendly warm mix asphalt mixture and a preparation method thereof. . The preparation method has reasonable process design andproper component ratio; by pretreating a warm mixing agent and SBS modified asphalt, the mixing performance and the stability of the asphalt mixture are synergistically improved. According to the modified asphalt mixture, the mixing and construction temperature of the modified asphalt mixture can be obviously reduced, the bonding acting force between modified asphalt and aggregate is improved, themechanical property and aging resistance of the asphalt mixture are effectively improved, the high-temperature rutting resistance, low-temperature fatigue resistance and water damage resistance are excellent, and high practicability is achieved.
本发明公开了一种环保型温拌沥青混合料及其制备方法，所述沥青混合料各组分原料包括：以重量计，预处理沥青10‑15份、集料80‑90份、矿粉5‑8份、硅灰2‑3份、粉煤灰2‑3份、改性温拌剂3‑7份、第一添加料8‑12份、第二添加料8‑10份。本发明公开了一种环保型温拌沥青混合料及其制备方法，工艺设计合理，组分配比适宜，通过对温拌剂、SBS改性沥青进行预处理，协同改善沥青混合料的拌和性能和稳定性，能够明显降低改性沥青混合料的拌和、施工温度，提高改性沥青与集料之间的粘结作用力，有效提高沥青混合料的力学性能和耐老化性能，高温抗车辙性能、低温抗疲劳性能及抗水损害性能优异，具有较高的实用性。
The invention discloses an environment-friendly warm mix asphalt mixture and a preparation method thereof. The asphalt mixture comprises the following raw materials in parts by weight: 10-15 parts ofpretreated asphalt, 80-90 parts of aggregate, 5-8 parts of mineral powder, 2-3 parts of silica fume, 2-3 parts of fly ash, 3-7 parts of a modified warm mixing agent, 8-12 parts of a first additive and8-10 parts of a second additive. The invention discloses an environment-friendly warm mix asphalt mixture and a preparation method thereof. . The preparation method has reasonable process design andproper component ratio; by pretreating a warm mixing agent and SBS modified asphalt, the mixing performance and the stability of the asphalt mixture are synergistically improved. According to the modified asphalt mixture, the mixing and construction temperature of the modified asphalt mixture can be obviously reduced, the bonding acting force between modified asphalt and aggregate is improved, themechanical property and aging resistance of the asphalt mixture are effectively improved, the high-temperature rutting resistance, low-temperature fatigue resistance and water damage resistance are excellent, and high practicability is achieved.
本发明公开了一种环保型温拌沥青混合料及其制备方法，所述沥青混合料各组分原料包括：以重量计，预处理沥青10‑15份、集料80‑90份、矿粉5‑8份、硅灰2‑3份、粉煤灰2‑3份、改性温拌剂3‑7份、第一添加料8‑12份、第二添加料8‑10份。本发明公开了一种环保型温拌沥青混合料及其制备方法，工艺设计合理，组分配比适宜，通过对温拌剂、SBS改性沥青进行预处理，协同改善沥青混合料的拌和性能和稳定性，能够明显降低改性沥青混合料的拌和、施工温度，提高改性沥青与集料之间的粘结作用力，有效提高沥青混合料的力学性能和耐老化性能，高温抗车辙性能、低温抗疲劳性能及抗水损害性能优异，具有较高的实用性。
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