前言沥青路面开裂是各国道路界普遍关心的问题,如美国、加拿大、日本以及非洲一些国家,特别是在寒冷地区,路面开裂成为了极其普遍的现象,即使是柔性基层沥青路面的裂缝也是很严重的。国内许多公路通车不久后也有出现严重裂缝的情况。以下是对河北省部分高速公路裂缝病害调查及 Preface Asphalt pavement cracking is a common concern in the road industry in many countries, such as the United States, Canada, Japan and some African countries, especially in cold areas, pavement cracking has become an extremely common phenomenon, even the cracks in the flexible grassroots asphalt pavement is also very serious of. Many domestic roads opened to traffic shortly after there are serious cracks in the situation. The following is a survey of cracks in some expressways in Hebei Province