近日，集团观摩团队共赴广西百色平果市，深入S215平果都阳炼沙段公路改建工程施工现场，参加泡沫沥青冷再生施工工艺深度观摩与交流活动。此次活动旨在系统学习该工艺在公路改建中的实际应用，为公司在绿色道路养护领域的技术研发与工程实践积累前沿经验。

　　Recently, the observation team of the Group went to Pingguo City, Baise, Guangxi to go to the construction site of S215 Pingguo Duyang Liansha Highway Reconstruction Project to participate in the in-depth observation and exchange activities of foam asphalt cold recycling construction process. The purpose of this event is to systematically learn the practical application of this technology in highway reconstruction, and accumulate cutting-edge experience for the company's technology research and engineering practice in the field of green road maintenance.

　　一、工艺亮点突出，绿色养护成效显著

　　1、 Highlight of craftsmanship, significant green maintenance effect

　　泡沫沥青冷再生技术是一种将旧沥青路面与水泥稳定基层材料回收利用的工艺。该技术通过注入常温水使热沥青膨胀形成泡沫，与旧料在常温下拌和、摊铺，形成性能优良的结构层。其亮点不仅体现在显著的绿色低碳效益上——与传统工艺相比，可节约成本约25%，降低能耗60%以上，减少碳排放80%以上，真正实现了“废料变资源”的施工理念；更体现在其技术的前瞻性与系统性上。该工艺全程采用常温作业，大幅降低了能源消耗与温室气体排放，积极响应了“双碳”战略。同时，通过旧料的回收利用，既减少了新材料采购与废料处理成本，又借助泡沫沥青的均匀分散与裹覆作用，有效了旧料性能，提升了路面整体品质。此外，该工艺具备高度的设计灵活性，可根据不同路段的病害程度，组合形成多层次、复合型路面结构，展现出广泛的适用性和可观的经济社会效益。

　　Cold recycling technology of foam asphalt is an environmental protection technology that recycles old asphalt pavement and cement stabilized base materials. This technology makes hot asphalt expand to form foam by injecting normal temperature water, and mixes and spreads with old materials at normal temperature to form a structural layer with excellent performance. Its highlights are not only reflected in significant green and low-carbon benefits - compared with traditional processes, it can save costs by about 25%, reduce energy consumption by more than 60%, and reduce carbon emissions by more than 80%, truly realizing the construction concept of "waste to resources"; More reflected in its forward-looking and systematic technology. The entire process adopts room temperature operation, significantly reducing energy consumption and greenhouse gas emissions, and actively responding to the national "dual carbon" strategy. At the same time, the recycling of old materials not only reduces the cost of new materials procurement and waste disposal, but also effectively activates the performance of old materials and improves the overall quality of pavement with the help of the uniform dispersion and coating of foam asphalt. In addition, this process has a high degree of design flexibility and can be combined to form multi-level and composite pavement structures according to the degree of disease on different road sections, demonstrating wide applicability and considerable economic and social benefits.

　　二、现场施工有序，设备协同作业流畅

　　2、 Efficient and orderly on-site construction, smooth collaborative operation of equipment

　　观摩团队实地考察了S215线严重病害路段施工全过程。现场施工组织科学，采用了“分段循环、双向协同”的作业模式。施工前，依据病害检测结果对旧路面进行精确铣刨，为再生层提供平整基底。施工中，各类大型设备协同作业流畅：维特根380型铣刨机负责旧料回收与现场拌和，福格勒摊铺机实现混合料的精准摊铺，悍马压路机则进行及时有效的压实，辅以沥青保温运输车确保泡沫沥青的温度稳定，形成了紧密衔接的机械化流水作业线。整个施工过程管控有序，每日可推进300500米，铣刨、拌和、摊铺、压实等工序环环相扣；得益于泡沫沥青混合料的特性，摊铺后可立即压实，养生时间短，压实结束后便能开放轻交通，极大减轻了对现有道路交通的影响。

　　The observation team conducted an on-site inspection of the entire construction process of the severely damaged section of the S215 line. The on-site construction organization is scientific and adopts a "segmented cycle, two-way collaboration" operation mode. Before construction, the old road surface should be precisely milled based on the results of disease detection to provide a smooth foundation for the regeneration layer. During the construction, all kinds of large-scale equipment work together smoothly and efficiently: Wittgen 380 milling machine is responsible for the recycling of old materials and on-site mixing, Vogler paver is responsible for the accurate paving of mixture, Hummer roller is responsible for timely and effective compaction, and asphalt insulation transport vehicles are used to ensure the temperature stability of foam asphalt, forming a closely connected mechanized flow line. The entire construction process is controlled in an orderly manner, with a daily advancement of 300 to 500 meters. The processes of milling, mixing, paving, and compaction are interrelated; Thanks to the characteristics of foam asphalt mixture, it can be compacted immediately after paving. The curing time is short, and light traffic can be opened after compaction, greatly reducing the impact on existing road traffic.

　　三、技术优势明显，应用前景广阔

　　3、 Clear technological advantages and broad application prospects

　　泡沫沥青冷再生混合料展现出多方面突出的技术优势。其材料结构具有优良的抗疲劳性能和高温稳定性，同时因泡沫沥青的柔性特质，能有效吸收和消减基层应力，从而显著提升抗反射裂缝的能力。在长期路用性能方面，级配良好的泡沫沥青混合料在强度与耐久性上可与传统沥青混凝土相媲美。该工艺另一显著优势是施工便捷、影响小，混合料可快速压实成型并早期开放交通，特别适用于交通量大的公路养护与改建工程。此次观摩还了解到，该技术能够与水泥冷再生等工艺有机结合，构建“刚柔并济”的复合式路面结构体系，进一步拓宽了其应用场景，为不同病害程度的旧路改造提供了、长寿命的解决方案，未来发展前景十分广阔。?

　　Foam asphalt cold recycling mixture shows many outstanding technical advantages. Its material structure has excellent fatigue resistance and high temperature stability. At the same time, because of the flexible characteristics of foam asphalt, it can effectively absorb and reduce the stress of the base course, thus significantly improving the ability to resist reflective cracking. In terms of long-term road performance, well graded foam asphalt mixture can be comparable to traditional asphalt concrete in strength and durability. Another significant advantage of this process is its convenient construction and minimal impact. The mixture can be quickly compacted and formed, and traffic can be opened up early. It is particularly suitable for highway maintenance and reconstruction projects with high traffic volume. This observation also revealed that this technology can be organically combined with processes such as cement cold recycling to construct a composite pavement structure system that combines rigidity and flexibility, further expanding its application scenarios and providing efficient and long-lasting solutions for the renovation of old roads with different degrees of disease. The future development prospects are very broad.?

　　?通过此次交流，集团与施工方就未来在外埠市场开拓、项目合作等方面达成初步合作意向。下一步，集团将继续跟踪该工艺的应用案例，加快推进相关技术在项目的试点与应用，持续关注行业前沿技术，积极探索道路建设与养护的可持续发展之路。

　　Through this exchange, the group and the construction party have reached a preliminary cooperation intention on future market development and project cooperation in other ports. Next, the group will continue to track the application cases of this process, accelerate the pilot and application of related technologies in projects, continue to pay attention to cutting-edge technologies in the industry, and actively explore the sustainable development path of road construction and maintenance.

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