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ju bing xi zuo xian wei jia qiang li qing hun he liao lu yong xing neng de yan jiu
Author(s): 
Pages: 12-15
Year: Issue:  3
Journal: Highways & Transportation in Inner Mongolia

Keyword:  沥青混合料聚丙烯腈纤维体积指标路用性能;
Abstract: 在选定级配的沥青混合料中掺加不同掺量的聚丙烯腈纤维,通过试验分析纤维掺量对沥青混合料最佳油石比、密度、孔隙率等体积指标,以及高温稳定性、低温抗裂性和水稳定性等路用性能指标的影响。结果表明,随着聚丙烯腈纤维掺量的增多,最佳油石比、矿料间隙率和沥青饱和度逐渐增大,而视密度和孔隙率逐渐减小;当掺量小于0.3%时,增加纤维掺量能很好地改善沥青混合料的路用性能,而当纤维掺量大于0.3%时沥青混合料的路用性能反而随纤维掺量的增多而变差。
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