輕載道路“柔基強(qiáng)面”養(yǎng)護(hù)方案應(yīng)用分析

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中圖分類號(hào):U418.6 文獻(xiàn)標(biāo)志碼:A 文章編號(hào):2095-2945(2025)14-0189-04
1,2,1,2(1.,;2.,)
Abstract:Inordertoimprovemaintenanceeficiencyandreducetheimpactofmaintenanceoperationsonresidents‘daily use,the"softfoundationstrongsurface"structurewastriedontheroadwhich wasdamagedduringtheheavyloadconstruction periodbuttherewouldbeonlylighttraffcloadsduringnormaluse.AcordingtoHDPS2O017verification,the"flexible foundatiostrongsurface"structurecanmeetthe1O-yearservicerequirementsofmoderatetraffcintensityloads.Therubberand plasticcomposite modferRPwasusedtoenhance theasphaltmixtureofupperlayerandmiddlelayer whichresulted ina dynamic stability of over 1O OOO cycles/mm for the upper layer modified asphalt AC-16 + rubber-plastic composite modifier and over 8 OoO cycles/mm for the middle layer modified asphalt AC- 25+ rubber-plastic composite modifier asphalt mixture at 70‰ andO.7MPa.The"softfoundationstrongsurface"structurehas benappliedonYuanboyuan South Road,andafter beingtested in hot and rainy summers,no diseases have been found.
Keywords:asphaltpavement;maintenance;high-strength asphalt mixture;softfoundationand strongsurface;project application effect
對(duì)于瀝青路面結(jié)構(gòu),我國長期以來有“強(qiáng)基薄面”與“強(qiáng)基厚面"之爭,但對(duì)“強(qiáng)基”已經(jīng)形成共識(shí)。(剩余6646字)