With China's rapid economic development, road transport construction has entered a new high tide. At the same time, highway maintenance work has become one of the important works of road management department. Synchronous chip seal layer has many advantages, such as high strength, surface, non-slip, waterproof, durability, preventing driving rain and so on. In Europe and the United States it has been widely used in various grade roads but in China it is still the new conservation technology.%随着我国经济的快速发展,公路交通建设进入了一个新的高潮期.与此同时,公路养护工作成为了公路管理部门的重要工作之一.同步碎石封层具有强度高、表面粗糙、防滑、不透水、耐久性好、防止雨天行车水雾等优点.在欧美各国已广泛用于各等级路面,在国内尚属新型的养护技术.
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