路面车辙、拥包是沥青路面的几大病害形式之一。上海市区由于道路交通建设迅猛发展,车辆日益增多,车行道交通渠化、车辆增重,导致一些干道、交叉口和公交车站出现车辙、拥包病害,局部地方的侧向推移和拥包高差达十几厘米。这说明常用砂粒 Pavement rutting, support package is one of the major forms of disease in asphalt pavement. Due to the rapid development of road traffic construction and increasing number of vehicles in Shanghai’s urban area, road traffic diversion and vehicle weight gain led to the occurrence of rutting and congestion at some arterial roads, intersections and bus stops, and the lateral migration of local areas Package up to a dozen cm high. This shows the commonly used sand