着粉料撒布车、全深式泡沫沥青冷再生机、摊铺机等大型施工机组缓缓移动，崭新的路面基层就呈现在眼前，让在场人员见证了科技与创新的力量。8月30日上午，在莱西市S502南武线大中修工程施工现场，一项全新的施工工艺——全深式泡沫沥青冷再生技术，首次应用于山东省普通国省干线公路。

　　Large construction units such as powder spreader, full depth foam asphalt cold recycling machine, paver, etc. moved slowly, and a new pavement base was presented in front of them, which made the people present witness the power of technology and innovation. On the morning of August 30, a new construction technology - full depth foam asphalt cold recycling technology was first applied to ordinary national and provincial trunk roads in Shandong Province at the construction site of the S502 Nanwu Line Large and Medium Maintenance Project in Laixi City.

　　全深式泡沫沥青冷再生技术是采用专用的泡沫沥青就地冷再生设备，对沥青路面进行现场铣刨，掺入一定比例的泡沫沥青、水泥、水，经过现场常温拌合、摊铺、碾压等工序，一次性实现路面再生的技术。本次试验段全长2km，工程量2.4万方。

　　The full depth foam asphalt cold recycling technology is a technology that uses a dedicated foam asphalt on-site cold recycling equipment to mill the asphalt pavement on site, add a certain proportion of foam asphalt, cement, and water, and achieve one-time pavement regeneration through on-site normal temperature mixing, paving, rolling and other processes. The total length of this test section is 2km and the engineering quantity is 24000 cubic meters.

　　与传统工艺相比，全深式再生技术实现了旧路面基层的就地再生利用，节省了材料运转费用，施工能耗低、污染小。全深式泡沫沥青冷再生在保留基层强度的同时，增加了材料的抗疲劳性，改善了传统半刚性基层易开裂的特性；与传统的维修方案相比，节约工期约50%，节省成本约20%，可减少加热能源消耗60%以上，降低二氧化碳排放量80%以上，凸显了新技术、新工艺等带来的丰厚经济效益和优质环保效益。

　　Compared with traditional techniques, the full depth regeneration technology realizes the on-site regeneration and utilization of old pavement base, saving material operation costs, low construction energy consumption, and minimal pollution. The full depth foam asphalt cold recycling not only retains the strength of the base course, but also increases the fatigue resistance of the material, and improves the cracking characteristics of the traditional semi-rigid base course; Compared with traditional maintenance solutions, it saves about 50% of the construction period, 20% of the cost, reduces heating energy consumption by more than 60%, and lowers carbon dioxide emissions by more than 80%, highlighting the rich economic and high-quality environmental benefits brought by new technologies and processes.

　　近年来，青岛市交通运输局公路中心坚持“优质、创新、绿色、环保”的理念，多方面引进新技术，积极采用新工艺，不断优化设计方案，严把工程质量与安全关，取得了工程建设和科技应用双丰收。此次引进全深式泡沫沥青冷再生技术不仅大大提升了施工效率，而且顺应了国家双碳战略理念，为绿色低碳可持续发展贡献了公路力量，再次展现了青岛交通公路的创新能力。

　　In recent years, the Highway Center of Qingdao Transportation Bureau has adhered to the concept of "high quality, innovation, green, and environmental protection", introduced new technologies in various aspects, actively adopted new processes, continuously optimized design schemes, strictly controlled engineering quality and safety, and achieved double harvests in engineering construction and technological application. The introduction of full depth foam asphalt cold recycling technology has not only greatly improved the construction efficiency, but also complied with the national dual carbon strategic concept, contributed to the road power for green low-carbon sustainable development, and once again demonstrated the innovative capacity of Qingdao's transportation roads.

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