SMA技术在桥面铺装中的应用研究

Application of SMA Technique in Deck Pavement

结合辽宁省交通厅重点项目“桥面铺装技术的研究”课题及沈大高速公路改扩建工程实践,就改性沥青SMA沥青混合料在桥面铺装中的应用作以探讨。分析了辽宁省桥面铺装病害产生原因及SMA桥面铺装存在的问题,重点介绍了改进后的SMA沥青混合料在沈大高速公路中的应用情况。

In response to problem：“Study of Deck Pavement Technique” - Major Project of Communication Department of Liaoning Province and practice of reconstruction and extension engineerings, the paper makes an approach to application of modified asphalt mix in deck pavement, analyzes the reasons for deck pavement diseases in Liaoning Province and the problems existing in deck pavement, emphatically introduces application of improved SMA asphalt mix in Shen -Da Freeway.