不同纤维改性透水沥青混合料水稳定性的试验研究

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YUAN Donglei

（Henan Transportation Investment Group Co.，Ltd.，Zhengzhou 45ooOo，China）

Abstract：Byddingbasaltferandplyesterfberithdiferentcontetintopermeableasphaltixturfoodificationdoofre thawsplitingtestmmersionashalltstdmersiodispsiotestaesedtosstematicallivestigatetheifenceofferte andcontentonwaterstabilityofpermeableasphaltmixture.Theresultsshowthat：WiththeincreaseofBFandPFfibercontent，the splitingstrengthabiltfraspliigstregthationdimmesiresidalsabilitcreasdfistadsd whiletheimmersiondispersionlossdecreasedfrstandthenincreased；TheproperamountofBFandPFfiberscanplayagoodrolein reinforcementanddspersion，hichisonducietoesabityoftespatialstructureofspaltmiture.Terefor，tcanpoete water stability ofpermeable asphalt mixture. Theoptimalamount of BFfiber andPFfiber is 0.4% and 0.2% respectively；BF fiber can significantlyimprovethefreze-thawsplitingstrengthatioofpermeableaspaltmixture，whilePFfibercansignificantlyiprovethe immersionresidualtabiltndimmersiondispersionlossofpermeableaspaltmixture.Therefore，BFfiberissuitablefortheorthern seasonal frozen areas，while PF fiber is more suitable for the southern rainy areas.

Keywords：permeable asphalt mixture；basalt fiber；polyester fiber；water stability

0 引言

随着我国大力发展“海绵城市”的建设，许多城市都新建了不同类型的排水路面，而在复杂气候环境、服役因素的影响下，使得其使用质量及效果出现良莠不齐的现象[1-3]。（剩余5895字）