搅拌研磨工艺显著提升了布敦岩沥青(Buton Rock Asphalt,BRA)与沥青共混体系的稳定性,但BRA的矿物粒径分布对改性沥青流变性能的影响机制尚不清晰。为此,该文通过制备不同粒径分布的BRA改性沥青样品,开展高低温流变试验,系统分析BRA粒...搅拌研磨工艺显著提升了布敦岩沥青(Buton Rock Asphalt,BRA)与沥青共混体系的稳定性,但BRA的矿物粒径分布对改性沥青流变性能的影响机制尚不清晰。为此,该文通过制备不同粒径分布的BRA改性沥青样品,开展高低温流变试验,系统分析BRA粒径分布对BRA改性沥青流变行为的影响,同时结合荧光显微试验,分析了不同粒径分布下的BRA改性沥青的相态结构。结果表明:D_(50)、D_(90)和D_(span)与改性沥青的高温抗变形能力呈负相关,而与低温蠕变刚度和蠕变速率呈正相关,这表明减小BRA粒径有助于提升改性沥青的高温稳定性和低温抗裂性;减小无机矿物的粒径能够改善无机矿物在沥青中的分散状态,使结构更致密,从而增强高温抗车辙性能与低温柔韧性。展开更多
With the steady growth of the Chinese economy,more and more countries are focusing on China.A great number of brands are entering the Chinese market and auto brand is one of them.Brand translation plays an important r...With the steady growth of the Chinese economy,more and more countries are focusing on China.A great number of brands are entering the Chinese market and auto brand is one of them.Brand translation plays an important role for success of opening international market.This paper applies the Skopos theory to automobile brand translation,so as to provide a new angle to translation practice.展开更多
文摘搅拌研磨工艺显著提升了布敦岩沥青(Buton Rock Asphalt,BRA)与沥青共混体系的稳定性,但BRA的矿物粒径分布对改性沥青流变性能的影响机制尚不清晰。为此,该文通过制备不同粒径分布的BRA改性沥青样品,开展高低温流变试验,系统分析BRA粒径分布对BRA改性沥青流变行为的影响,同时结合荧光显微试验,分析了不同粒径分布下的BRA改性沥青的相态结构。结果表明:D_(50)、D_(90)和D_(span)与改性沥青的高温抗变形能力呈负相关,而与低温蠕变刚度和蠕变速率呈正相关,这表明减小BRA粒径有助于提升改性沥青的高温稳定性和低温抗裂性;减小无机矿物的粒径能够改善无机矿物在沥青中的分散状态,使结构更致密,从而增强高温抗车辙性能与低温柔韧性。
文摘With the steady growth of the Chinese economy,more and more countries are focusing on China.A great number of brands are entering the Chinese market and auto brand is one of them.Brand translation plays an important role for success of opening international market.This paper applies the Skopos theory to automobile brand translation,so as to provide a new angle to translation practice.
