Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
High-performance asphalt mixture and preparation process thereof
The invention discloses a high-performance asphalt mixture which comprises the following components: modified asphalt, mineral aggregates and fibers, the modified asphalt is prepared by mixing 5%-8% of resin, 3%-4% of SBS, 1%-1.2% of slaked lime and the balance of matrix asphalt; the mineral aggregate comprises coarse aggregate, fine aggregate and filler; the fibers are steel fibers, polypropylene fibers, polyacrylonitrile fibers or nylon fibers; the coarse aggregate is large broken stone with the particle size of 6-9 mm and small broken stone with the particle size of 3-5 mm; the fine aggregate is stone chips of 1-3mm; the filler is quartz stone mineral powder; the weight ratio of the coarse aggregate to the fine aggregate to the seasoning is 1: 1: 1-2: 1: 1; according to the asphalt mixture and the asphalt mixture produced by the preparation process, relatively excellent balance of various parameter indexes in temperature change, humidity change and load change is effectively realized; the coating has the characteristics that the coating is not easy to soften at high temperature and brittle at low temperature, and the problems of rutting, cracking, temperature shrinkage and the like can be remarkably reduced.
本发明公开了高性能沥青混合料，包括以下组份：改性沥青、矿料以及纤维；所述改性沥青包括5％～8％树脂、3％～4％SBS、1％～1.2％消石灰以及余量基质沥青混合；所述矿料包括粗集料、细集料以及填料；所述纤维为钢纤维、聚丙烯纤维、聚丙烯腈纤维或尼龙纤维；所述粗集料为6mm～9mm大碎石和3mm～5mm小碎石；所述细集料为1～3mm石屑；所述填料为石英石矿粉；所述粗集料、细集料以及调料重量比为1:1：1～2:1:1；该沥青混合料及制备工艺生产的沥青混合料有效的实现在温度变化、干湿度变化以及载荷变化中实现各参数指标都较为优良的平衡；具有高温不易软化低温不易发脆，能够显著减少车辙、开裂、温缩等问题的特点。
High-performance asphalt mixture and preparation process thereof
The invention discloses a high-performance asphalt mixture which comprises the following components: modified asphalt, mineral aggregates and fibers, the modified asphalt is prepared by mixing 5%-8% of resin, 3%-4% of SBS, 1%-1.2% of slaked lime and the balance of matrix asphalt; the mineral aggregate comprises coarse aggregate, fine aggregate and filler; the fibers are steel fibers, polypropylene fibers, polyacrylonitrile fibers or nylon fibers; the coarse aggregate is large broken stone with the particle size of 6-9 mm and small broken stone with the particle size of 3-5 mm; the fine aggregate is stone chips of 1-3mm; the filler is quartz stone mineral powder; the weight ratio of the coarse aggregate to the fine aggregate to the seasoning is 1: 1: 1-2: 1: 1; according to the asphalt mixture and the asphalt mixture produced by the preparation process, relatively excellent balance of various parameter indexes in temperature change, humidity change and load change is effectively realized; the coating has the characteristics that the coating is not easy to soften at high temperature and brittle at low temperature, and the problems of rutting, cracking, temperature shrinkage and the like can be remarkably reduced.
本发明公开了高性能沥青混合料，包括以下组份：改性沥青、矿料以及纤维；所述改性沥青包括5％～8％树脂、3％～4％SBS、1％～1.2％消石灰以及余量基质沥青混合；所述矿料包括粗集料、细集料以及填料；所述纤维为钢纤维、聚丙烯纤维、聚丙烯腈纤维或尼龙纤维；所述粗集料为6mm～9mm大碎石和3mm～5mm小碎石；所述细集料为1～3mm石屑；所述填料为石英石矿粉；所述粗集料、细集料以及调料重量比为1:1：1～2:1:1；该沥青混合料及制备工艺生产的沥青混合料有效的实现在温度变化、干湿度变化以及载荷变化中实现各参数指标都较为优良的平衡；具有高温不易软化低温不易发脆，能够显著减少车辙、开裂、温缩等问题的特点。
High-performance asphalt mixture and preparation process thereof
高性能沥青混合料及制备工艺
LI XIAORONG (Autor:in) / MAO JINJUAN (Autor:in) / XIONG LIANGYOU (Autor:in)
08.12.2023
Patent
Elektronische Ressource
Chinesisch
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