冷再生机现场施工全过程，旧路变新不挪厂，省50%工期+80%碳排放

　　The entire process of on-site construction of the cold recycling machine, transforming old roads into new ones without relocating the factory, saves 50% of the construction period and 80% of carbon emissions

　　沥青路面养护中，传统铣刨、转运、厂拌、摊铺的流程，不仅工期长、能耗高，还会造成大量旧路面材料浪费，让施工单位陷入“成本高、效率低、压力大”的困境。而冷再生机的投入使用，彻底颠覆了传统养护模式，实现“旧路就地再生、废料循环利用”，成为公路养护行业的绿色升级新选择。今天，结合沥青路面就地冷再生现场施工实景，详细拆解冷再生机施工全流程，解析其核心优势与应用价值，用真实施工细节展现冷再生机的实用性，助力行业从业者了解冷再生技术，适配百度收录需求。

　　In the maintenance of asphalt pavement, the traditional process of milling, transportation, factory mixing, and paving not only has a long construction period and high energy consumption, but also causes a large amount of waste of old pavement materials, putting construction units in a dilemma of "high cost, low efficiency, and high environmental pressure". The use of cold recycling machines has completely overturned the traditional maintenance mode, achieving "on-site regeneration of old roads and recycling of waste materials", becoming a new choice for green upgrading in the highway maintenance industry. Today, based on the on-site construction of asphalt pavement cold recycling, the entire process of cold recycling machine construction is dismantled in detail, and its core advantages and application value are analyzed. The practicality of the cold recycling machine is demonstrated with real construction details, helping industry practitioners to comprehensively understand cold recycling technology and adapt to the needs of Baidu indexing.

　　走进沥青路面就地冷再生施工工地，一台德通路面就地冷再生机正运转，整个施工流程连贯有序，从前期准备到成型交付，全程无需转运旧料、无需场外拌合，真正实现“就地取材、就地施工”。据行业实测数据显示，采用冷再生机施工，较传统养护工艺可缩短50%以上工期，减少80%以上碳排放，旧路面材料利用率可达100%，每万吨旧料再生可减少砂石开采1.2万吨，综合施工成本降低20%-50%，经济效益与效益显著。

　　Entering the on-site cold recycling construction site for asphalt pavement, a Detong pavement on-site cold recycling machine is operating efficiently. The entire construction process is coherent and orderly, from early preparation to delivery, without the need to transport old materials or mix outside the site, truly achieving "on-site materials and construction". According to industry test data, using a cold recycling machine for construction can shorten the construction period by more than 50% and reduce carbon emissions by more than 80% compared to traditional maintenance processes. The utilization rate of old road materials can reach 100%, and for every 10000 tons of old materials recycled, 12000 tons of sand and gravel mining can be reduced. The comprehensive construction cost can be reduced by 20% -50%, and the economic and environmental benefits are significant.

　　冷再生机施工并非简单的“就地拌合”，而是一套标准化、精细化的流程，前期准备工作直接决定施工质量。施工前期，采用洗爆机对旧沥青路面进行洗爆处理，将旧路面表层杂质、破损部分清理干净，随后由山猫设备进行精细化清扫，确保路面面层无杂物、无浮尘，为后续冷再生施工筑牢基础。同时，现场配备水车随时待命，因就地冷再生施工需用到水资源，水车可根据施工需求精准补水，保障拌合料湿度达标，避免出现开裂、起砂等质量隐患。

　　The construction of cold recycling machines is not simply "on-site mixing", but a standardized and refined process, and the preliminary preparation work directly determines the construction quality. In the early stage of construction, the old asphalt pavement is first washed and blasted using a washing and blasting machine to clean up impurities and damaged parts on the surface of the old pavement. Then, the Bobcat equipment is used for fine cleaning to ensure that the pavement layer is free of debris and floating dust, laying a solid foundation for subsequent cold recycling construction. At the same time, on-site water trucks are on standby at any time. As on-site cold recycling construction requires water resources, water trucks can accurately replenish water according to construction needs, ensuring that the humidity of the mixture meets the standard and avoiding quality hazards such as cracking and sanding.

　　前期准备就绪后，冷再生机正式投入作业，这也是整个施工流程的核心环节。现场可见，旧路面材料被集中堆放于道路中间，之所以选择居中堆放，核心原因是冷再生机的摊铺装置为居中设计，居中送料可确保材料均匀分布，保障摊铺平整度。前方的上料行走设备，将洗爆、清扫后的旧路面材料精准收集，通过传送带匀速输送现场搅拌列车，实现旧料的转运与利用。

　　After the preliminary preparations are ready, the cold recycling machine is officially put into operation, which is also the core link of the entire construction process. On site, it can be seen that the old pavement materials are concentrated in the middle of the road. The core reason for choosing to stack them in the center is that the paving device of the cold recycling machine is designed in the center, and the feeding in the center can ensure the uniform distribution of materials and ensure the smoothness of the paving. The front-end feeding and walking equipment accurately collects the washed and cleaned old road materials, and transports them to the on-site mixing train at a constant speed through a conveyor belt, achieving efficient transportation and utilization of the old materials.

　　搅拌列车作为冷再生机的核心配套设备，负责将旧路面材料与沥青、水、粗细骨料等原材料充分拌合、乳化。现场搭载沥青罐的列车已准备就绪，沥青作为核心粘结材料，与旧料、骨料、水按科学配比混合，经充分搅拌后，形成合格的乳化沥青混凝土，全程在现场完成制备，无需像传统工艺那样将材料转运场外拌合站，大幅节省转运成本与时间。

　　As the core supporting equipment for cold regeneration, the mixing train is responsible for fully mixing and emulsifying old pavement materials with raw materials such as asphalt, water, and coarse and fine aggregates. The train carrying asphalt tanks on site is ready. Asphalt serves as the core bonding material and is mixed with old materials, aggregates, and water in a scientific ratio. After thorough mixing, qualified emulsified asphalt concrete is formed, which is fully prepared on site without the need to transport materials to an off-site mixing station like traditional processes, greatly saving transportation costs and time.

　　乳化沥青混凝土制备完成后，直接送入沥青摊铺设备，按照常规摊铺工艺进行摊铺作业，随后经碾压设备压实成型，一套完整的就地冷再生施工流程就此完成。整个过程实现了“洗爆—清扫—送料—拌合—摊铺—碾压”一体化作业，将沥青拌合站“搬”到施工现场，彻底解决了传统养护工艺中旧料浪费、转运繁琐、工期漫长的痛点。

　　After the preparation of emulsified asphalt concrete is completed, it is directly sent to the asphalt paving equipment for paving operations according to the conventional paving process. Then, it is compacted and formed by the rolling equipment, and a complete on-site cold recycling construction process is completed. The entire process has achieved an integrated operation of "washing and blasting cleaning feeding mixing paving rolling", moving the asphalt mixing station to the construction site, completely solving the pain points of waste of old materials, cumbersome transportation, and long construction period in traditional maintenance technology.

　　值得注意的是，冷再生机施工生产的再生路面，质量完全符合行业规范要求，其60℃动稳定度可达3000次/mm以上，无侧限抗压强度满足基层施工标准，不仅能实现旧路翻新，还能提升路面结构强度，延长道路使用寿命。据调研，采用冷再生机施工的路面，使用寿命可达8-10年，与传统工艺铺设的路面持平，且后期维修频率大幅降低。

　　It is worth noting that the quality of the recycled pavement produced by the cold recycling machine construction fully meets the industry standard requirements. Its 60 ℃ dynamic stability can reach more than 3000 times/mm, and the unconfined compressive strength meets the basic construction standards. It can not only achieve the renovation of old roads, but also improve the structural strength of the pavement and extend the service life of the road. According to research, the service life of roads constructed using cold recycling machines can reach 8-10 years, which is on par with traditional road paving techniques, and the frequency of later maintenance is significantly reduced.

　　当前，绿色低碳养护成为行业发展趋势，冷再生机凭借“旧料100%利用、降碳、便捷”的核心优势，广泛应用于各级公路、城市道路的养护改造工程。它不仅破解了传统养护的诸多痛点，还践行了资源循环利用的理念，为公路养护行业高质量发展提供了有力支撑。掌握冷再生机施工流程与优势，合理投入使用，既能降低施工成本、提升效率，又能实现合规，助力行业实现绿色转型升级。

　　Currently, green and low-carbon maintenance has become a trend in the industry. Cold recycling machines, with their core advantages of "100% utilization of old materials, energy conservation and carbon reduction, and high efficiency and convenience," are widely used in maintenance and renovation projects of highways and urban roads at all levels. It not only solves many pain points of traditional maintenance, but also practices the concept of resource recycling, providing strong support for the high-quality development of the highway maintenance industry. Mastering the construction process and advantages of cold recycling machines, and putting them into reasonable use, can not only reduce construction costs and improve efficiency, but also achieve environmental compliance and help the industry achieve green transformation and upgrading.

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