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2002年~2004年期间,青藏公路进行了第四期的整治改建施工,在路面施工中广泛使用了SBRⅡ-A橡胶类改性沥青。本文对SBR改性沥青在高原、高寒地区路面施工中的一些经验进行了总结。
During the period from 2002 to 2004, Qinghai-Tibet Highway underwent the fourth phase of rebuilding and renovation. SBRⅡ-A rubber modified asphalt was widely used in pavement construction. This paper summarizes some experiences of SBR modified asphalt pavement construction in plateau and alpine area.