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JT/TXXX-XXXX 1 瀝青混合料改性添加劑 第 6部分:溫拌劑 Modifier for asphalt mixture — Part 6: Warm mixture additive 目 次 前言 ············································································Ⅱ 1 范圍··········································································1 2 規(guī)范性引用文件· ·······························································1 3 術(shù)語(yǔ)和定義···············································
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為研究溫拌劑對(duì)橡膠改性瀝青降黏的效果,研究了4種溫拌劑(Sasobit,Asphaltan A,Asphaltan B和Licomont)對(duì)橡膠改性瀝青性能的影響。對(duì)50號(hào)基質(zhì)瀝青和橡膠改性瀝青(15%橡膠粉)進(jìn)行了旋轉(zhuǎn)黏度、軟化點(diǎn)、針入度和彈性恢復(fù)的試驗(yàn),分析了不同用量的溫拌劑對(duì)上述試驗(yàn)結(jié)果的影響。結(jié)果表明:4種溫拌劑均可以降低橡膠改性瀝青的黏度,提高軟化點(diǎn)和減少針入度;但對(duì)橡膠改性瀝青的彈性恢復(fù)影響并不明確。