著粉料撒布車、全深式泡沫瀝青冷再生機、攤鋪機等大型施工機組緩緩移動，嶄新的路面基層就呈現在眼前，讓在場人員見證了科技與創新的力量。8月30日上午，在萊西市S502南武線大中修工程施工現場，一項全新的施工工藝——全深式泡沫瀝青冷再生技術，首次應用于山東省普通國省干線公路。

　　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.

　　全深式泡沫瀝青冷再生技術是采用專用的泡沫瀝青就地冷再生設備，對瀝青路面進行現場銑刨，摻入一定比例的泡沫瀝青、水泥、水，經過現場常溫拌合、攤鋪、碾壓等工序，一次性實現路面再生的技術。本次試驗段全長2km，工程量2.4萬方。

　　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.

　　與傳統工藝相比，全深式再生技術實現了舊路面基層的就地再生利用，節省了材料運轉費用，施工能耗低、污染小。全深式泡沫瀝青冷再生在保留基層強度的同時，增加了材料的抗疲勞性，改善了傳統半剛性基層易開裂的特性；與傳統的維修方案相比，節約工期約50%，節省成本約20%，可減少加熱能源消耗60%以上，降低二氧化碳排放量80%以上，凸顯了新技術、新工藝等帶來的豐厚經濟效益和優質環保效益。

　　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.

　　近年來，青島市交通運輸局公路中心堅持“優質、創新、綠色、環保”的理念，多方面引進新技術，積極采用新工藝，不斷優化設計方案，嚴把工程質量與安全關，取得了工程建設和科技應用雙豐收。此次引進全深式泡沫瀝青冷再生技術不僅大大提升了施工效率，而且順應了國家雙碳戰略理念，為綠色低碳可持續發展貢獻了公路力量，再次展現了青島交通公路的創新能力。

　　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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