Control and Application on Unmanned Rolling Machine Group for Steel Bridge Asphalt Pavement
Under the stiffness characteristics and construction conditions of orthotropic steel bridge decks,it is challenging to achieve the design requirements for the compaction degree and uniformity of hot-mixed asphalt pavement layers,which often leads to early-stage pavement diseases.According to analysis on the principles of unmanned machine group intelligent control technology,research has been conducted on the automated control technology for paving and rolling machine groups,with successful application in the SMA pavement construction of the steel bridge deck of the Xiamen Xiang'an bridge.The results indicate that the adoption of unmanned rolling technology significantly enhances work efficiency,achieving a compaction degree of no less than 99%.The flatness and water permeability coefficient meet relevant requirements.Compared to traditional methods,the dispersion of key pavement indicators is greatly reduced,which represents significant economic and social benefits for large-scale asphalt pavement construction.