透水性沥青路面性能分析

Technology&EconomyinAreasofCommunications20091(51)张红章1,范卫琴2(1.重庆交通大学土木工程学院,重庆400074;2.三明学院土木工程系,福建三明365004)　:通过对透水性沥青路面在防滑、降噪及降低建设成本方面优点的阐述,并对其在降噪、降温、透水、防滑及路表性能等路用性能方面的试验进行分析。研究结果表明,透水性沥青路面具有较好的路用性能、经济和社会效益,其试验结果对工程技术人员的设计和施工具有一定的指导意义。:透水性;开级配;路用性能:U416.217　　　:A　　　:1008-5696(2009)01-0012-03TheAnalysisandStudyonthePerformanceofthePermeableAsphaltPavementZHANGHong-zhang1,FANWei-qin2(1.ChongqingJiaotongUniversity,CivilEngineeringCollege,Chongqing400074,China;2.SanmingCollege,CivilEngineeringDepartment,Fujian365004,China)Abstract:Thepermeableasphaltpavement'smeritsisdescribedintheanti-skid,noisereductionandlowercosts.Sometestsofnoisereduction.Temperaturedecreasing,waterpermeablewerecarriedon,there-sultsshowedthatthepermeableasphaltpavementpossessesabetterroadperformanceandeconomicandsocialsignificance,andtheengineeringandtechnicalpersonnelinthedesignandconstructioncouldbeguidedunderthetestresults.Keywords:permeable;open-graded;pavementperformance:2008-08-17:(1978～),,,:.　　,,;,;,;,,。1　透水性沥青路面优点1)。,。。,,,。。、,,;,,,。,,。2)。,,。,75%[1]。,,;,。3)。。,80kg,65～70kg。。70%～80%,,70%。,,。2　透水性沥青路面路用性能研究,,,,,5。2.1　,、。　1,:1)。。,1[2]。,16%～24%,250～1000Hz()。,,,;、,,,。1　/Hz/%5.211.112.716.619.724.11001.52.52.52.51.02.01252.54.04.04.53.03.01601.52.02.52.52.03.52001.01.54.03.53.04.52507.58.09.510.512.011.53154.54.510.021.518.016.54001.513.015.619.525.026.55001.013.517.022.025.034.06301.011.513.515.017.030.58001.59.09.010.510.019.510001.07.08.09.08.013.012501.05.07.08.07.010.02)。,。,。,50mm,13mm20mm,,13mm。,2.36mm,2。2　2.36mm/%12.417.221.427.339.649.0/%18.220.414.314.29.47.721,,2.36mm。20%,2.36mm10%～18%。3)[4]。,1　2.36mm,4cm,,。,。3(αp)。3　αp/mm3841596264/Hz800780620500460,4～5cm。dL=0.005HVc.:dL,dB;H,mm;Vc,%。,40mm、20%,4dB,。1996—320,[3]。2.2　,,:;,。,,,。,,。20%～25%。,。,,,,,;,,,1h6cm9cm11%,15cm30%,,6cm9cm,15cm,[4]。2.3　,·13·　　　　　　　　　　　11　,,,。。,1mm(DS),,2000/mm[5]。2.4　,,,。,2,1～1.5cm/s。50%,10%～15%()[6]。2.5　,,。,。,,、。3　结束语,。,,,,。,,[7]。[1]　,,　,.OGFC[J].,2006,23(10):55-56.[2].[M].:,2000.[3],　.[J].,1998(1):14-17.[4],,　,.[J].,2007,9(5):1-2.[5].[M].:,2001.[6],.[J].,1989(6):77-79.[7]　.[J].,2002(9):659-660.[:](上接第11页)2.4　、5,,。,,,。,,,,,、。5　3　结　论1),。,,。2),。,。3),,。[1]MostafaYousefiDarestani.StructuralResponseofConcretePavementsunderMovingTruckLoads[J].JournalofTransportEngineering,July.2007.[2]BassamSaad.Three-DimensionalDynamicAnalysisofFlexibleConventionalPavementFoundation[J].JournalofTransportEngineering,June.2005.[3].[M].:,2005.[4].[M].:,2004.[5]　,,.[J].,2006,17(2):9-10.[6].[M].:,2004.[7].[J].,2002(3):33-34.[:　]·14·