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:2006O08O03:(1978-),,,,,1,2,2(1.,710048;2.,710072):,,,,:,:;;;:X71/799:A:1001-3563(2006)06-0119-02ResearchonthePavementPerformanceofModifiedAsphaltbyWastePolyethyleneinPackagingFANGChang2qing1,2,LITie2hu1(1.XianUniversityofTechnology,Xian710048,China;2.NorthwesternPolytechnicUniversity,Xian710072,China)Abstract:Therecycledwastepolyethyleneinpackingwasusedtomodifythecommonasphalt,andthepavementperformanceofmodifiedasphaltwasresearchedthroughBituminousMixturesMarshalltest,ruttingtest,andanti-flexuralstrengthtest.Theresultindicatedthestability,anti-flexuralstrength,anti-ruttingabilityofmodifiedasphaltbywaste-polyethylene(LDPE)inpackagingareenhanced,andthepavementperformanceofthemodifiedasphaltimprovedobviously.Keywords:waste2polyethyleneinpacking;asphalt;modifying;pavementperformance,,,,,,[1-3],,,[4-5],,,,,,(PE),,11.1,1;,2;,X-110#,3;,(-LL2DPE)41Tab.1Theperformanceindexoflimestone/(gcm-3)/%/%()/%2.7220.320417.9--9112Tab.2Theperformanceindexoffiller/(gcm-3)/%/%0.630.3150.160.0752.7230.580.1010010010099.8JTJ058-2000----3Tab.3Propertiesofvirginasphalt(25,100g)/1/10mm(25)/cm(ringandball)//%/421124799.7-184Tab.4Themaincharacteristicsoftheretrievedfreshmilkplasticbag/%//(gcm-3)/mmLLDPE92%7.46570C1250.930.101.2,601%(),1.5cm2.5cm,5%LLDPE(180),(180),30min,60min,12030min,,90min,PE,(SLJ01288),(JTJ05222000),,22.1PE5,65Tab.5TheresultofMarshallandruttingtest/kN/0.1mm/(kNmm-1)/(mmmin-1)/mm8.20312.460.1253069.60283.270.0526936w(MPa)Tab.6Theresultofanti-flexuralstrengthtest1550-5-10-153.966.479.0110.5910.339.064.327.869.7411.4211.8110.132.25,8.20kN9.60kN;3128mm;2.46kN/mm3.27kN/mm;306/mm693/mm;0.125mm/min0.052mm/min;,,PE,PE,PE,(30),,,,,PE,PE,PE,(1,OLYMPUSOLYMPUSBX51640),,,,,,,,1Fig.1Micrographsofunmodifiedasphaltandmodifiedasphalt3(1),(2)(152)021PACKAGINGENGINEERINGVol.27No.62006.12,profile,ProfileEditor[6]profile5Fig.5Theprocessandfactorofwhitepointadjustingbasedonthecolormanagementflow1)ProfileProfileMediaWhite2PointTag(),Profile,ICCProfile,ICCProfilePro2file5cLCh()ProfileProfileProfile,,,,2):(1):,Profile(2)ICCPro2files,5dCalculatedWhitePoint()ProfileEditorProfile(3)23Profile,(4),()5dCMYK(RGB)ChangedWhitePoint(),Profile,ProfileProfile:[1].[J].,2002,23(2):37-40.[2],.[J].,2005,26(6):31-33.[3].[J].,2004,(10):31-36.[4].[J].,2004,(11):45-49.[5]CRUMPLERW.ColourReproductioninaDigitalAge[M].PiraIn2ternational,2001:80-110.[6]GretagMacbeth.ProfileMakerPro4.1.5[M].2004.(120),(3),,:[1].[J].,2000,(6):76-77.[2].[J].,1999,17(4):8-13.[3],.[J].,2005,26(5):10-13.[4],.PE[J].,2005,26(2):31-32.[5].SMA[M].:,1999.251PACKAGINGENGINEERINGVol.27No.62006.12