2023年第1期(总第347期)黑龙江交通科技HEILONGJIANGJIAOTONGKEJINo.1,2023(SumNo.347)■■■■■■■■■■■■■■道路工程海绵型道路横断面排水设计参数优化咼贵春1,肖传语2,孙悦2(1.华设设计集团股份有限公司,江苏南京210000;2.东南大学,江苏南京210096)摘要:海绵型道路有着出色的排水能力,在雨天时能较显著地提高交通安全,然而其排水设计应与道路几何设计协同考虑。基于海绵型道路路表渗流与产流的规律,建立了二维与三维路面渗流模型。模拟后的结果表明排水情况与车道数为负相关;在车道数增加的情况下,排水功能与横坡为正相关;若横坡坡度相同,纵坡的增加会延长排水路线,导致排水性能变差。基于海绵型道路排水功能保证,对海绵型道路横断面设计参数进行优化。关键词:海绵型道路;渗流;路表水膜;车道数中图分类号:U416.1文献标识码:A文章编号:1008-3383(2023)01-0001-05OptimizationofDrainageDesignParametersforCrossSectionofSpongeRoadGUOGui-chun1,XIAOChuan-yu2,SUNYue2(1.ChinaDesignGroupCo.,Ltd.,Nanjing,Jiangsu210000,China;2.SoutheastUniversity,Nanjing,Jiangsu210096,China)Abstract:Spongeroadshaveexcellentdrainagecapacityandcansignificantlyimprovetrafficsafetyinrainyweather.However,thedrainagedesignshouldbeconsideredinconjunctionwiththegeometricdesignoftheroad.Inthispaper,two-dimensionalandthree-dimensionalpavementseepagemodelsareestablishedbasedonthelawofseepageandrunoffgenerationonthesurfaceofspongeroad.Theresultsshowthatthedrainageisnegativelycorrelatedwiththenumberoflanes;Whenthenumberoflanesincreases,thedrainagefunctionispositivelycorrelatedwiththecrossslope;Ifthecrossslopeisthesame,theincreaseoflongitudinalslopewillextendthedrainageroute,resultinginpoordrainageperformance.Basedonthedrainagefunctionguaranteeofspongeroad,thecross-sectionde-signparametersofspongeroadareoptimized.Keywords:spongeroad;seepage;waterfilmonroadsurface;numberoflanes收稿日期:2022-08-17作者简介:咼贵春(1982—),男,硕士,高级工程师0引言“海绵城市”道路多选择大孔隙沥青材料路面。大孔隙路面排水能力强,在雨天路表不产生大量积水,确保车辆与道路之间能充分摩擦,路面的抗滑水平明显提升,避免交通意外的出现,保证了...