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随着公路建设事业的快速发展,公路通车里程不断增加。“九五”期末,辽宁省公路里程已达到4500多公里,其中高速公路1000多公里,黑色路面2300多公里。由于风吹、日晒、雨淋、冻融等自然因素的影响,加之车辆荷载的反复作用,路面的路用性能逐年下降,因此,及时防治路面的裂缝和坑槽等各种病害,是保护路面质量,延长道路使用寿命、提高投资效益、降低成本的重要环节,但由于公路养护工作面广、量大、分散等原因,维修养护工作不能及时有效进行,个别地区还处于一种积重难返
With the rapid development of highway construction, the mileage of highway is on the increase. At the end of the “Ninth Five-Year Plan” period, the mileage of highways in Liaoning Province has reached more than 4,500 kilometers, of which over 1,000 kilometers of expressways and over 2,300 kilometers of black roads. Due to the influence of wind, sun, rain, freezing and thawing and other natural factors, and the repetitive effect of vehicle load, the road performance of pavement is declining year by year. Therefore, timely prevention and control of various diseases such as cracks and pits in pavement is to protect Pavement quality, extend the service life of the road, improve investment efficiency, reduce costs an important part, but due to road maintenance work face wide, large quantities, scattered and other reasons, maintenance and maintenance work can not be carried out effectively in time, some areas are still in a heavy lifting