輕載道路“柔基強面”養(yǎng)護方案應用分析

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中圖分類號：U418.6 文獻標志碼：A 文章編號：2095-2945(2025)14-0189-04

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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

對于瀝青路面結構，我國長期以來有“強基薄面”與“強基厚面"之爭，但對“強基”已經形成共識。（剩余6646字）