在现代交通基础设施建设与维护的庞大体系中，道路的长期良好状况直接关系到交通运输的顺畅与。随着道路使用年限的增加，路面磨损、病害等问题逐渐显现，传统的道路修复方式往往成本高昂且耗时较长。而冷再生机技术的出现，为道路维护带来了全新的解决方案，冷再生机出租业务更是以其灵活、经济的特性，成为众多道路施工与养护单位的优先选择。

In the vast system of modern transportation infrastructure construction and maintenance, the long-term good condition of roads is directly related to the smoothness and safety of transportation. As the service life of roads increases, problems such as road wear and disease gradually emerge. Traditional road repair methods are often costly and time-consuming. The emergence of cold recycling technology has brought a new solution for road maintenance, and the rental business of cold recycling machines has become a preferred choice for many road construction and maintenance units due to its flexible and economical characteristics.

技术优势​

Technical advantages

节约资源：冷再生技术限度地利用了原路面材料，减少了新材料的开采和使用。据统计，采用冷再生机施工，可回收利用原路面材料的 80% - 100%，大大降低了对自然资源的依赖，符合可持续发展的理念。例如，在一段 1 长、宽度为 10 米、厚度为 20 厘米的旧沥青路面改造中，若采用传统方式，需废弃大量旧路面材料，并耗费大量新石料和沥青；而使用冷再生机，可将旧路面材料充分利用，仅需添加少量稳定剂，就能完成路面修复，节约了大量资源。​

Resource conservation: Cold recycling technology maximizes the utilization of raw road materials, reducing the extraction and use of new materials. According to statistics, using cold recycling machines for construction can recycle 80% -100% of raw road materials, greatly reducing dependence on natural resources and in line with the concept of sustainable development. For example, in the renovation of an old asphalt pavement that is 1 kilometer long, 10 meters wide, and 20 centimeters thick, using traditional methods would require the disposal of a large amount of old pavement materials and the consumption of a large amount of new stone and asphalt; By using a cold recycling machine, the old pavement materials can be fully utilized, and only a small amount of stabilizer needs to be added to complete pavement repair, saving a lot of resources. ​

降低成本：由于减少了新材料的采购和运输成本，以及缩短了施工周期，冷再生机施工在总体成本上具有明显优势。与传统的路面翻修相比，冷再生施工可降低成本 30% - 50%。这不仅对于大型道路施工项目能节省巨额资金，对于一些预算有限的小型道路维护工程来说，更是提供了经济可行的解决方案。例如，某城市的一条支路进行路面修复，采用冷再生机出租服务，施工单位在设备租赁、材料采购和人工费用等方面综合计算，比原计划采用传统修复方式节省了近 40% 的成本。​

Cost reduction: Due to the reduction in procurement and transportation costs of new materials, as well as the shortened construction period, cold recycling machine construction has significant advantages in overall cost. Compared with traditional road surface renovation, cold recycling construction can reduce costs by 30% to 50%. This not only saves huge amounts of money for large-scale road construction projects, but also provides an economically feasible solution for some small-scale road maintenance projects with limited budgets. For example, a branch road in a certain city was repaired using a cold recycling machine rental service. The construction unit calculated the equipment rental, material procurement, and labor costs comprehensively, saving nearly 40% of the cost compared to the original plan of using traditional repair methods. ​

：冷再生机施工过程中无需对旧路面材料进行加热处理，减少了能源消耗和废气排放。同时，避免了大量旧路面材料的废弃填埋，降低了对环境的污染。在当前要求日益严格的背景下，冷再生技术的优势愈发凸显，成为绿色道路施工的重要代表。例如，在一些对环境要求较高的景区道路维护中，冷再生机施工既能保证路面修复质量，又能减少对周边环境的影响，得到了广泛应用。

Environmental protection and energy conservation: During the construction process of the cold recycling machine, there is no need to heat the old road materials, reducing energy consumption and exhaust emissions. At the same time, it avoids the disposal and landfilling of a large amount of old road materials, reducing environmental pollution. In the context of increasingly strict environmental requirements, the environmental advantages of cold recycling technology are becoming more prominent and have become an important representative of green road construction. For example, in some scenic areas with high environmental requirements for road maintenance, the construction of cold recycling machines can ensure the quality of road repair and reduce the impact on the surrounding environment, which has been widely used.

冷再生机的适用场景​

Applicable scenarios of cold recycling machine

沥青路面修复​

Asphalt pavement repair

路面病害处理：对于出现裂缝、坑槽、松散等病害的沥青路面，冷再生机可将病害部位铣刨后进行再生处理。通过添加合适的稳定剂，重新构建路面结构层，恢复路面的平整度和强度，延长路面使用寿命。例如，在某高速公路部分路段，由于长期受重载车辆碾压，出现了大量网裂和坑槽病害。采用冷再生机进行局部修复后，路面性能得到显著改善，有效解决了病害问题，保障了行车。​

Road surface disease treatment: For asphalt pavements with cracks, potholes, looseness and other diseases, the cold recycling machine can mill and treat the affected areas for regeneration. By adding appropriate stabilizers and rebuilding the pavement structure layer, the smoothness and strength of the pavement can be restored, and the service life of the pavement can be extended. For example, in some sections of a highway, due to long-term heavy vehicle crushing, a large number of network cracks and potholes have occurred. After using a cold recycling machine for local repair, the road performance was significantly improved, effectively solving the problem of diseases and ensuring driving safety. ​

路面升级改造：当需要对旧沥青路面进行升级改造，提高路面等级时，冷再生机也能发挥重要作用。可以在原路面基础上，通过调整再生混合料的配合比，增加路面的承载能力和抗滑性能，满足更高的交通流量和车辆荷载要求。例如，某城市主干道原设计为二级公路标准，随着城市发展交通量剧增，通过冷再生机施工，将路面升级为一级公路标准，提升了道路的通行能力。​

Road surface upgrade and renovation: When it is necessary to upgrade and renovate the old asphalt road surface to improve its grade, the cold recycling machine can also play an important role. On the basis of the original road surface, the mix proportion of recycled mixture can be adjusted to increase the bearing capacity and anti-skid performance of the road surface, meeting higher traffic flow and vehicle load requirements. For example, an urban trunk road was originally designed as a second-class highway standard. With the rapid increase of traffic volume in urban development, the pavement was upgraded to a first-class highway standard through cold recycling machine construction, which improved the traffic capacity of the road. ​

基层道路施工​

Construction of grassroots roads

新建基层施工：在一些低等级公路或农村公路建设中，冷再生机可用于直接修筑道路基层。利用当地的材料如砂石、土等，添加适量的水泥或石灰等稳定剂，通过冷再生机拌和后形成稳定基层。这种方式不仅降低了材料运输成本，还能充分利用当地资源，加快施工进度。例如，在某农村公路建设项目中，采用冷再生机就地取材修筑基层，施工速度快，成本低，建成后的道路基层强度满足设计要求，得到了当地居民的认可。​

New grassroots construction: In the construction of some low-grade highways or rural roads, cold recycling machines can be used to directly build road grassroots. Using local materials such as sand, gravel, soil, etc., adding appropriate stabilizers such as cement or lime, and mixing through a cold recycling machine to form a stable base layer. This method not only reduces material transportation costs, but also fully utilizes local resources to accelerate construction progress. For example, in a rural road construction project, a cold recycling machine was used to construct the base layer using locally sourced materials. The construction speed was fast, the cost was low, and the strength of the road base layer after completion met the design requirements, which was recognized by local residents. ​

旧基层再生利用：对于已有的道路基层，若出现损坏或需要改造，冷再生机同样可以对其进行再生处理。将旧基层材料铣刨后，添加新的稳定剂进行拌和，重新铺设压实，使基层恢复良好的性能，为路面的长期稳定提供保障。例如，某省道部分路段基层出现了松散和强度不足的问题，通过冷再生机对旧基层进行再生处理后，基层的承载能力得到显著提升，为后续路面修复工作奠定了坚实基础。

Old base recycling: For existing road bases, if they are damaged or need to be renovated, cold recycling machines can also be used for recycling treatment. After milling and planing the old base material, new stabilizers are added for mixing, and the base is re laid and compacted to restore its good performance, providing a guarantee for the long-term stability of the road surface. For example, some sections of a provincial road had problems with loose and insufficient strength in the base layer. After using a cold recycling machine to regenerate the old base layer, the bearing capacity of the base layer was significantly improved, laying a solid foundation for subsequent road surface repair work.

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