Application of Microwave Maintenance Vehicle in Repairing Pits on Asphalt Pavement
[Purposes]This paper aims to study the application of microwave curing vehicles in pit repair.[Methods]Based on the engineering background of daily maintenance pothole repair of ordinary national and provincial highways,the key technical parameters and technical highlights of microwave mainte-nance vehicles are studied by means of indoor simulation and field application.[Findings]The mecha-nism of microwave pit repair has been explored,and the interfacial bonding strength of hot excavation and repair has been improved.The average microwave radiation value calculated is 0.57 mW/cm²,which is safe and environmental-friendly.Relying on the S344 Xinxu Avenue in Xuzhou,a microwave maintenance vehicle was applied to repair the pit and groove.The pothole repair can save 15 minutes and achieve rapid traffic recovery.[Conclusions]The JCM100E microwave hot air maintenance vehicle developed has been applied in engineering projects in Suzhou,Xuzhou,and other regions,improving the level of highway maintenance management.
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