近日，集團觀摩團隊共赴廣西百色平果市，深入S215平果都陽至煉沙段公路改建工程施工現(xiàn)場，參加泡沫瀝青冷再生施工工藝深度觀摩與交流活動。此次活動旨在系統(tǒng)學(xué)習(xí)該工藝在公路改建中的實際應(yīng)用，為公司在綠色道路養(yǎng)護領(lǐng)域的技術(shù)研發(fā)與工程實踐積累前沿經(jīng)驗。

　　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、工藝亮點突出，綠色養(yǎng)護成效顯著

　　1、 Highlight of craftsmanship, significant green maintenance effect

　　泡沫瀝青冷再生技術(shù)是一種將舊瀝青路面與水泥穩(wěn)定基層材料回收利用的環(huán)保工藝。該技術(shù)通過注入常溫水使熱瀝青膨脹形成泡沫，與舊料在常溫下拌和、攤鋪，形成性能優(yōu)良的結(jié)構(gòu)層。其亮點不僅體現(xiàn)在顯著的綠色低碳效益上——與傳統(tǒng)工藝相比，可節(jié)約成本約25%，降低能耗60%以上，減少碳排放80%以上，真正實現(xiàn)了“廢料變資源”的施工理念；更體現(xiàn)在其技術(shù)的前瞻性與系統(tǒng)性上。該工藝全程采用常溫作業(yè)，大幅降低了能源消耗與溫室氣體排放，積出色響應(yīng)了國家“雙碳”戰(zhàn)略。同時，通過舊料的回收利用，既減少了新材料采購與廢料處理成本，又借助泡沫瀝青的均勻分散與裹覆作用，有效激活了舊料性能，提升了路面整體品質(zhì)。此外，該工藝具備高度的設(shè)計靈活性，可根據(jù)不同路段的病害程度，組合形成多層次、復(fù)合型路面結(jié)構(gòu)，展現(xiàn)出廣泛的適用性和可觀的經(jīng)濟社會效益。

　　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、現(xiàn)場施工出色有序，設(shè)備協(xié)同作業(yè)流暢

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

　　觀摩團隊實地考察了S215線嚴(yán)重病害路段施工全過程。現(xiàn)場施工組織科學(xué)，采用了“分段循環(huán)、雙向協(xié)同”的作業(yè)模式。施工前，依據(jù)病害檢測結(jié)果對舊路面進行準(zhǔn)確銑刨，為再生層提供平整基底。施工中，各類大型設(shè)備協(xié)同作業(yè)流暢出色：維特根380型銑刨機負(fù)責(zé)舊料回收與現(xiàn)場拌和，福格勒攤鋪機實現(xiàn)混合料的合理攤鋪，悍馬壓路機則進行及時有效的壓實，輔以瀝青保溫運輸車確保泡沫瀝青的溫度穩(wěn)定，形成了緊密銜接的機械化流水作業(yè)線。整個施工過程管控有序，每日可推進300至500米，銑刨、拌和、攤鋪、壓實等工序環(huán)環(huán)相扣；得益于泡沫瀝青混合料的特性，攤鋪后可立即壓實，養(yǎng)生時間短，壓實結(jié)束后便能開放輕交通，出色大減輕了對現(xiàn)有道路交通的影響。

　　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、技術(shù)優(yōu)勢明顯，應(yīng)用前景廣闊

　　3、 Clear technological advantages and broad application prospects

　　泡沫瀝青冷再生混合料展現(xiàn)出多方面突出的技術(shù)優(yōu)勢。其材料結(jié)構(gòu)具有優(yōu)良的抗疲勞性能和高溫穩(wěn)定性，同時因泡沫瀝青的柔性特質(zhì)，能有效吸收和消減基層應(yīng)力，從而顯著提升抗反射裂縫的能力。在長期路用性能方面，級配良好的泡沫瀝青混合料在強度與耐久性上可與傳統(tǒng)瀝青混凝土相媲美。該工藝另一顯著優(yōu)勢是施工便捷、影響小，混合料可快速壓實成型并早期開放交通，非常適用于交通量大的公路養(yǎng)護與改建工程。此次觀摩還了解到，該技術(shù)能夠與水泥冷再生等工藝有機結(jié)合，構(gòu)建“剛?cè)岵钡膹?fù)合式路面結(jié)構(gòu)體系，進一步拓寬了其應(yīng)用場景，為不同病害程度的舊路改造提供了出色、長壽命的解決方案，未來發(fā)展前景十分廣闊。?

　　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.?

　　?通過此次交流，集團與施工方就未來在外埠市場開拓、項目合作等方面達(dá)成初步合作意向。下一步，集團將繼續(xù)跟蹤該工藝的應(yīng)用案例，加快推進相關(guān)技術(shù)在項目的試點與應(yīng)用，持續(xù)關(guān)注行業(yè)前沿技術(shù)，積出色探索道路建設(shè)與養(yǎng)護的可持續(xù)發(fā)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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