Effects of anti-stripping agents on the microscopic strength of mineral aggregate contact surface
作者： Zheng Chuanfeng , Qin Yong , Lv Dan , Zhang Ting , Liu Xingyang
DOI: 10.1016/J.CONBUILDMAT.2013.08.070
关键词:
摘要: Abstract This study investigated the effects of types I and II anti-stripping agents on microscopic strength mineral aggregate contact surface mixture. Panjin70# bitumen SBS-modified were used as binders granite acid stone was aggregate. Microscopic covers total surface, adhesion between bitumen, cohesive binder. strengths tested after short-term aging (RTFOT) long-term (RTFOT + PAV). Results show that enhancement effect type weakened treatment, but exert no remarkable influence under such treatment. Short-term treatment has slightly adhesion, not obvious significantly decreased at low temperature, thereby markedly diminishing strength. Anti-stripping may adhesive choosing should seriously considering compatibility materials bitumen.
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