摘要
文中向乳化沥青中直投SBS、SBR、SBS/SBR混合胶乳制备了改性乳化沥青,并对不同胶乳掺量的改性乳化沥青蒸发残留物进行了针入度、软化点、延度和储存稳定性试验及高低温性能测试.综合考虑3 类胶乳掺量对改性乳化沥青各项性能的影响,SBS胶乳的建议掺量为6%,SBR胶乳的建议掺量为4%,SBS/SBR混合胶乳的建议掺量为6%.
Abstract
This paper investigates the effects of different types of latex on the performance of modified emulsified asphalt by directly adding SBS,SBR,and SBS/SBR mixed latex to emulsified asphalt to prepare modified emulsified asphalt.The penetration,softening point,ductility,storage stability,and high and low-temperature performance tests were conducted on the evaporative residues of modified emulsified asphalt with different latex contents.Considering the influence of three types of latex content on various properties of modified emulsified asphalt,the recommended contents are 6%for SBS latex,4%for SBR latex,and 6%for SBS/SBR mixed latex.
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