在道路建设与养护领域，冷再生技术凭借、、经济等优势，成为道路修复与改造的重要手段。而冷再生机租赁服务的兴起，为各类道路工程提供了灵活便捷的施工设备解决方案。那么，租赁冷再生机究竟能处理哪些路面呢？这一问题关乎道路工程的施工选择与效果，值得深入探讨。

　　In the field of road construction and maintenance, cold recycling technology has become an important means of road repair and renovation due to its advantages of high efficiency, environmental protection, and economy. The rise of cold recycling machine rental services has provided flexible and convenient construction equipment solutions for various road projects. So, what types of roads can be treated by leasing a cold recycling machine? This issue concerns the construction selection and effectiveness of road engineering, and is worth further exploration.

　　一、沥青路面的病害修复

　　1、 Repair of asphalt pavement diseases

　　（一）车辙处理

　　（1） Rutting treatment

　　随着车辆荷载的反复碾压，沥青路面容易出现车辙病害，尤其是在高速公路、城市主干道等交通流量大的路段。冷再生机通过铣刨、破碎等功能，将车辙深度较深的路面进行破碎处理，再添加适量的新沥青混合料、再生剂等材料，经过搅拌、摊铺和压实，重新形成平整、稳定的路面结构。这种处理方式能够有效恢复路面的平整度，提升道路的行车舒适性与性，同时充分利用旧路面材料，降低工程成本。

　　With the repeated rolling of vehicle loads, asphalt pavement is prone to rutting diseases, especially in high traffic sections such as highways and urban main roads. The cold recycling machine uses functions such as milling and crushing to crush the road surface with deep ruts, and then adds an appropriate amount of new asphalt mixture, rejuvenator and other materials. After mixing, paving and compaction, it forms a smooth and stable road structure again. This processing method can effectively restore the smoothness of the road surface, improve the driving comfort and safety of the road, and make full use of old road materials to reduce engineering costs.

　　（二）裂缝修复

　　（2） Crack repair

　　沥青路面裂缝是常见的病害之一，包括横向裂缝、纵向裂缝和网状裂缝等。冷再生机可以对存在裂缝的路面区域进行铣刨，去除表面已损坏的沥青层。随后，通过添加新的粘结材料和再生混合料，将新旧材料充分搅拌混合，使路面结构重新形成整体。这不仅能封闭裂缝，防止水分进一步渗入路基，还能增强路面的整体强度和抗裂性能，延长路面的使用寿命。

　　Asphalt pavement cracks are one of the common diseases, including transverse cracks, longitudinal cracks, and mesh cracks. The cold recycling machine can mill and remove the damaged asphalt layer on the surface of road areas with cracks. Subsequently, by adding new bonding materials and recycled mixtures, the new and old materials are thoroughly mixed and blended to reshape the road surface structure as a whole. This not only seals cracks and prevents moisture from further seeping into the roadbed, but also enhances the overall strength and crack resistance of the pavement, extending its service life.

　　（三）表面磨损与老化处理

　　（3） Surface wear and aging treatment

　　长期使用的沥青路面，表面会因车辆摩擦、紫外线照射、雨水侵蚀等因素出现磨损、老化现象，表现为路面松散、麻面、油分流失等。冷再生机可将磨损老化的表层铣刨掉，再结合再生技术，添加新的沥青结合料和骨料，使路面恢复良好的使用性能。相较于传统的重新铺设沥青面层的方法，冷再生处理方式更加，且能减少材料浪费，符合可持续发展理念。

　　Long term use of asphalt pavement may cause wear and aging on the surface due to factors such as vehicle friction, ultraviolet radiation, and rainwater erosion, resulting in loose pavement, rough surface, and loss of oil flow. The cold recycling machine can mill off the worn and aged surface layer, and then combined with recycling technology, add new asphalt binder and aggregate to restore good performance of the road surface. Compared to the traditional method of re laying asphalt surface layer, cold recycling treatment is more efficient and can reduce material waste, which is in line with the concept of sustainable development.

　　二、水泥混凝土路面的改造

　　2、 Renovation of cement concrete pavement

　　（一）破碎板处理

　　（1） Broken board processing

　　水泥混凝土路面在长期使用后，可能因基础沉降、重载车辆碾压等原因出现破碎板现象。冷再生机可以将破碎的水泥混凝土板进行破碎、碾压，使其成为颗粒状的材料。这些破碎后的材料可作为新路面基层的骨料使用，再铺设新的面层材料，实现对旧水泥混凝土路面的改造。这种处理方式既解决了破碎板带来的行车隐患，又合理利用了废弃的水泥混凝土材料，减少了建筑垃圾的产生。

　　After long-term use, cement concrete pavement may experience broken slabs due to foundation settlement, heavy vehicle compaction, and other reasons. The cold recycling machine can crush and compact broken cement concrete slabs into granular materials. These crushed materials can be used as aggregates for the new pavement base layer, and then new surface layer materials can be laid to achieve the transformation of the old cement concrete pavement. This processing method not only solves the safety hazards caused by broken boards, but also makes reasonable use of waste cement concrete materials, reducing the generation of construction waste.

　　（二）路面结构调整

　　（2） Road surface structure adjustment

　　当需要对水泥混凝土路面的结构进行调整，如降低路面高度、改变路面基层类型时，冷再生机也能发挥重要作用。它可以快速、地对原有路面进行铣刨和破碎，为后续的路面结构调整创造条件。例如，在城市道路拓宽改造工程中，利用冷再生机将原有水泥混凝土路面进行处理，以便重新设计和铺设新的路面结构，满足交通流量增长的需求。

　　When it is necessary to adjust the structure of cement concrete pavement, such as reducing the height of the pavement or changing the type of pavement base, the cold recycling machine can also play an important role. It can quickly and efficiently mill and crush the original road surface, creating conditions for subsequent road structure adjustments. For example, in urban road widening and renovation projects, cold recycling machines are used to treat the original cement concrete pavement in order to redesign and lay new pavement structures to meet the demand for increased traffic flow.

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