不同纖維改性透水瀝青混合料水穩(wěn)定性的試驗(yàn)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

隨著我國(guó)大力發(fā)展“海綿城市”的建設(shè)，許多城市都新建了不同類(lèi)型的排水路面，而在復(fù)雜氣候環(huán)境、服役因素的影響下，使得其使用質(zhì)量及效果出現(xiàn)良莠不齊的現(xiàn)象[1-3]。（剩余5895字）