传统的旧路改建主要是在原路面上加铺新的高强度基层和面层,由于旧的结构层强度低、不均匀,只能作为路基使用,浪费了一些原本可以再利用的材料。山东聊城公路系统自引进德国制造的沥青路面就地冷再生设备后,旧路的冷再生施工工艺和技术应用取得了令人满意的效果,获得了很好的经济效益和社会效益。 The traditional reconstruction of the old road is mainly the laying of new high-strength grass-roots and surface layers on the original pavement. As the old structural layer has low strength and unevenness, it can only be used as a subgrade and wastes some original materials that can be reused. Shandong Liaocheng highway system since the introduction of German-made asphalt pavement cold regeneration equipment, the old road cold regeneration construction technology and technology has achieved satisfactory results, access to a very good economic and social benefits.