在道路养护领域，冷再生机如同拥有 “妙手回春” 能力的 “路面医生”，无需大规模开挖重建，就能让老旧路面重获新生。通过租赁冷再生机，施工方能够以更经济的方式处理多种路面病害，而其适用范围之广，堪称路面修复的 “全能选手”。

　　In the field of road maintenance, cold recycling machines are like "road doctors" with the ability to "rejuvenate" old roads without the need for large-scale excavation and reconstruction. By leasing a cold recycling machine, the construction party can deal with various road surface diseases in a more economical and environmentally friendly way, and its wide range of applications makes it a "versatile player" in road surface repair.

　　一、沥青路面的 “深度修复术”

　　1、 Deep repair technique for asphalt pavement

　　冷再生机对沥青路面的修复堪称 “教科书级操作”。针对因长期碾压产生的车辙、龟裂等中等病害，冷再生机可通过铣刨、破碎旧路面，将老化的沥青混合料与新添加的再生剂、水等均匀拌合，重新摊铺压实，形成新的路面结构。这种工艺无需将旧料运输离场，直接现场再生利用，能节省 30% 以上的材料成本。而对于轻微破损的沥青路面（如轻度网裂、麻面），冷再生机可采用浅层冷再生工艺，铣刨深度控制在 2-5 厘米，通过添加适量新料与粘结剂，恢复路面平整度与抗滑性能，尤其适合城市主干道、高速公路的预防性养护。

　　The repair of asphalt pavement by cold recycling machine can be called a "textbook level operation". For moderate diseases such as ruts and cracks caused by long-term rolling, the cold recycling machine can mill and crush the old road surface, evenly mix the aged asphalt mixture with newly added rejuvenators, water, etc., and re pave and compact to form a new road structure. This process does not require the transportation of old materials out of the site, and can be directly recycled on site, saving more than 30% of material costs. For slightly damaged asphalt pavement (such as mild mesh cracking and rough surface), the cold recycling machine can use shallow cold recycling technology, with milling depth controlled at 2-5 centimeters. By adding appropriate amounts of new materials and binders, the pavement smoothness and anti-skid performance can be restored, especially suitable for preventive maintenance of urban main roads and highways.

　　二、水泥路面的 “柔性改造法”

　　2、 Flexible Renovation Method for Cement Pavement

　　传统水泥路面出现断板、错台等病害时，通常需要破除重建，但冷再生机为其提供了更灵活的解决方案。通过冷再生机的强力破碎功能，可将老旧水泥路面破碎成粒径均匀的颗粒，与沥青乳液、水等拌合后，作为基层或底基层使用，上方再铺设新的沥青面层，形成 “白改黑” 复合路面。这种工艺既能解决水泥路面的反射裂缝问题，又能提升行车舒适性，常用于城市旧城区道路改造、工业园区路面升级等场景。此外，冷再生机处理后的水泥破碎料无需外运，可直接作为路基填料，减少建筑垃圾排放。

　　When traditional cement pavement suffers from defects such as broken boards and staggered platforms, it usually needs to be dismantled and rebuilt, but cold recycling machines provide a more flexible solution. Through the powerful crushing function of the cold recycling machine, the old cement pavement can be broken into particles with uniform particle size. After mixing with asphalt lotion, water, etc., it can be used as the base or subbase. A new asphalt surface layer will be paved above it to form a "white to black" composite pavement. This process can not only solve the problem of reflection cracks on cement pavement, but also improve driving comfort, and is commonly used in scenarios such as road renovation in urban old urban areas and road upgrading in industrial parks. In addition, the cement crushed material processed by the cold recycling machine does not need to be transported outside and can be directly used as roadbed filling, reducing construction waste emissions.

　　三、复合路面的 “分层诊疗方案”

　　3、 Layered diagnosis and treatment plan for composite pavement

　　对于沥青与水泥复合结构的路面（如桥面铺装层、多层结构路面），冷再生机可实现 “精准分层修复”。例如，当桥面沥青铺装层出现推移、脱层时，冷再生机可精确控制铣刨深度，仅去除破损的沥青层，保留完好的水泥混凝土基层，再重新铺筑新的沥青混合料，避免对桥梁主体结构造成影响。在处理市政道路的 “加铺层” 病害时，冷再生机可将多层不同材质的旧路面同步破碎拌合，通过调整再生剂配比，使再生料满足新的强度要求，适用于交通量中等、对路面性能要求较高的次干路与支路。

　　For asphalt and cement composite pavement structures (such as bridge deck pavement layers and multi-layer pavement structures), cold recycling machines can achieve "precise layer by layer repair". For example, when the asphalt pavement layer on the bridge deck is displaced or delaminated, the cold recycling machine can accurately control the milling depth, only remove the damaged asphalt layer, retain the intact cement concrete base, and then re lay a new asphalt mixture to avoid affecting the main structure of the bridge. When dealing with the "pavement layer" disease of municipal roads, the cold recycling machine can synchronously crush and mix multiple layers of old road surfaces of different materials. By adjusting the proportion of recycling agents, the recycled materials can meet the new strength requirements, which is suitable for secondary roads and branches with medium traffic volume and high requirements for road performance.

　　四、特殊场景的 “定制化修复”

　　4、 Customized repair for special scenarios

　　冷再生机租赁的灵活性使其能适应多种特殊路面场景。在厂区、停车场等重载区域，当路面出现严重车辙或结构损坏时，冷再生机可采用大厚度铣刨（深度可达 15-30 厘米），将旧料破碎后添加高强度粘结剂，重新压实形成高承载力的再生基层，满足重型车辆通行需求。而在旅游景区、步行街等对环境要求高的区域，冷再生机施工噪音低、粉尘少的特点尤为适用，其冷拌工艺无需高温加热，避免了传统热再生的沥青烟气污染，同时可通过添加彩色再生剂，铺筑彩色再生路面，兼顾功能与景观效果。

　　The flexibility of leasing cold recycling machines enables them to adapt to various special road scenarios. In heavy-duty areas such as factories and parking lots, when severe ruts or structural damage occur on the road surface, the cold recycling machine can use thick milling (up to 15-30 centimeters deep) to crush the old materials, add high-strength binders, and re compact them to form a high bearing capacity recycled base layer, meeting the needs of heavy vehicle traffic. In areas with high environmental requirements such as tourist attractions and pedestrian streets, the cold recycling machine is particularly suitable for its low construction noise and low dust. Its cold mixing process does not require high temperature heating, avoiding the asphalt smoke pollution caused by traditional hot recycling. At the same time, by adding colored recycling agents, colored recycled road surfaces can be paved, balancing functionality and landscape effects.

　　五、与经济性的 “双重优势”

　　5、 Dual advantages of environmental protection and economy

　　冷再生机租赁的核心价值不仅在于处理路面类型的多样性，更在于其绿色低碳的工艺特性。与传统铣刨重铺相比，冷再生工艺可减少 80% 以上的旧料外运，降低运输能耗与成本；现场冷拌技术无需燃油加热，每路面再生可减少约 30 吨碳排放，契合 “双碳” 目标。此外，租赁模式避免了设备购置的巨额投入，施工方按需租用不同型号的冷再生机（如小型车载式、大型履带式），既能应对市政小面积修复，也能承接高速公路大规模再生工程，实现资源的利用。

　　The core value of leasing cold recycling machines lies not only in handling the diversity of road surface types, but also in their green and low-carbon process characteristics. Compared with traditional milling and repaving, the cold recycling process can reduce the transportation of old materials by more than 80%, lowering transportation energy consumption and costs; On site cold mixing technology does not require fuel heating, and can reduce carbon emissions by about 30 tons per kilometer of road regeneration, which is in line with the "dual carbon" goal. In addition, the leasing model avoids the huge investment in equipment procurement, and the construction party rents different models of cold recycling machines (such as small vehicle mounted and large tracked) as needed, which can not only cope with small-scale municipal repairs, but also undertake large-scale highway recycling projects, achieving efficient utilization of resources.

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