胶粉/SBS复合改性沥青工程应用研究
Study on Engineering Application of Rubber Powder/SBS Composite Modified Asphalt
DOI: 10.12677/MS.2022.124030, PDF, 下载: 254  浏览: 361 
作者: 孙立君：内蒙古高等级公路建设开发有限责任公司，内蒙古 呼和浩特
关键词: 胶粉/SBS复合改性沥青；路用性能；施工工艺；现场检测；汉堡试验；Rubber Powder/SBS Composite Modified Asphalt； Road Performance； Construction Technology； Field Inspection； Hamburg Test
摘要: 依托项目工程进行了胶粉/SBS复合改性沥青工程应用研究，基于马歇尔试验法确定了混合料最佳沥青用量为5.1%，基于车辙试验、低温弯曲试验、冻融劈裂试验和浸水马歇尔试验表明混合料路用性能良好。分析了胶粉/SBS复合改性沥青制备方法及混合料施工工艺，对施工路段进行现场检测，各项指标均满足规范要求。基于汉堡车辙试验对现场芯样的高温稳定性和水稳定性进行检测，混合料变形深度小、变形曲线无明显剥落点，具有良好的高温稳定性和抗水损害能力。
Abstract: Based on the project, the engineering application research of rubber powder/SBS composite modified asphalt is carried out. Based on the Marshall test method, the optimal asphalt content of the mixture is determined to be 5.1%. Based on the rutting test, low-temperature bending test, freezethaw splitting test and water immersion Marshall test, the pavement performance of the mixture is good. The preparation method and mixture construction technology of rubber powder/SBS composite modified asphalt are analyzed. The construction section is tested on site, and all indexes meet the specification requirements. Based on the Hamburg rutting test, the high-temperature stability and water stability of the on-site core sample are tested. The mixture has small deformation depth, no obvious peeling point in the deformation curve, and has good high-temperature stability and water damage resistance.
文章引用：孙立君. 胶粉/SBS复合改性沥青工程应用研究[J]. 材料科学, 2022, 12(4): 296-306. https://doi.org/10.12677/MS.2022.124030

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