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A platform for research: civil engineering, architecture and urbanism
Composite modified cold-mixed cold-laid fine abrasion asphalt mixture and preparation method thereof
The invention relates to the technical field of road construction materials, in particular to a composite modified cold-mixed cold-laid fine abrasion asphalt mixture and a preparation method thereof.The preparation method comprises the following steps that S1, aggregate and fine mineral powder are selected, and impurities are removed through screening and washing; the recycled asphalt pavement is subjected to high-temperature steam treatment; s2, putting the treated aggregate, fine mineral powder and recycled asphalt pavement into a mixing machine according to a preset proportion, and carrying out primary dry mixing treatment; s3, sequentially adding a bio-based revivifier and a high-performance modifier into the mixer, and mixing at a low speed to form a mixture A; and S4, adding an anti-aging agent into the mixture A. The environment friendliness and durability are improved by using the bio-based revivifier and the high-performance modifier, the service life of the road is prolonged by introducing the specific anti-aging agent, and the uniformity and constructability of the mixture are ensured by accurately controlling the preparation process, so that the overall performance of the road is remarkably improved, and the maintenance cost is reduced.
本发明涉及道路建设材料技术领域，具体涉及一种复合改性冷拌冷铺精细磨耗沥青混合料及其制备方法，包括以下步骤：S1：选择骨料和细矿粉，并通过筛选和洗涤去除杂质；并对再生沥青铺装进行高温蒸汽处理；S2：将处理过的骨料、细矿粉和再生沥青铺装按照预设比例投入混合机，进行初步干混处理；S3：接着向混合机中依次加入生物基复活剂和高性能改性剂，确保在低速下混合处理，形成混合物A；S4：在混合物A中加入抗老化剂。本发明，通过使用生物基复活剂和高性能改性剂提高环境友好性和耐久性，引入特定抗老化剂延长道路使用寿命，并通过精确控制制备过程确保混合料的均匀性和施工性，从而显著提升道路的整体性能和降低维护成本。
Composite modified cold-mixed cold-laid fine abrasion asphalt mixture and preparation method thereof
The invention relates to the technical field of road construction materials, in particular to a composite modified cold-mixed cold-laid fine abrasion asphalt mixture and a preparation method thereof.The preparation method comprises the following steps that S1, aggregate and fine mineral powder are selected, and impurities are removed through screening and washing; the recycled asphalt pavement is subjected to high-temperature steam treatment; s2, putting the treated aggregate, fine mineral powder and recycled asphalt pavement into a mixing machine according to a preset proportion, and carrying out primary dry mixing treatment; s3, sequentially adding a bio-based revivifier and a high-performance modifier into the mixer, and mixing at a low speed to form a mixture A; and S4, adding an anti-aging agent into the mixture A. The environment friendliness and durability are improved by using the bio-based revivifier and the high-performance modifier, the service life of the road is prolonged by introducing the specific anti-aging agent, and the uniformity and constructability of the mixture are ensured by accurately controlling the preparation process, so that the overall performance of the road is remarkably improved, and the maintenance cost is reduced.
本发明涉及道路建设材料技术领域，具体涉及一种复合改性冷拌冷铺精细磨耗沥青混合料及其制备方法，包括以下步骤：S1：选择骨料和细矿粉，并通过筛选和洗涤去除杂质；并对再生沥青铺装进行高温蒸汽处理；S2：将处理过的骨料、细矿粉和再生沥青铺装按照预设比例投入混合机，进行初步干混处理；S3：接着向混合机中依次加入生物基复活剂和高性能改性剂，确保在低速下混合处理，形成混合物A；S4：在混合物A中加入抗老化剂。本发明，通过使用生物基复活剂和高性能改性剂提高环境友好性和耐久性，引入特定抗老化剂延长道路使用寿命，并通过精确控制制备过程确保混合料的均匀性和施工性，从而显著提升道路的整体性能和降低维护成本。
Composite modified cold-mixed cold-laid fine abrasion asphalt mixture and preparation method thereof
一种复合改性冷拌冷铺精细磨耗沥青混合料及其制备方法
SHANG JIANLIN (author) / ZHANG SHUAI (author) / XU DONGHUI (author) / XUE KAI (author) / CHEN TIANYI (author)
2024-10-08
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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