乳化瀝青廠拌冷再生技術(shù)是以高品質(zhì)再生乳化瀝青作為結(jié)合料，采用專用拌和機械、化特種施工工藝的冷再生成套技術(shù)，實現(xiàn)公路建設(shè)低碳排放與綠色養(yǎng)護的減排高新技術(shù)，拌合過程中不消耗燃油，全程常溫拌合與施工，無碳、粉塵及其他污染物排放，保護環(huán)境及人體健康。保護環(huán)境，有效合理利用現(xiàn)有資源在施工適應(yīng)性和經(jīng)濟指標上有著獨特的優(yōu)勢。

The emulsified asphalt plant mixing cold regeneration technology is a complete set of cold regeneration technology that uses high-quality recycled emulsified asphalt as the binder, specialized mixing machinery, and specialized construction technology to achieve energy-saving and emission reduction of low-carbon emissions and green maintenance in highway construction. The mixing process does not consume fuel, and the entire process is mixed and constructed at room temperature without carbon, dust, and other pollutant emissions, protecting the environment and human health. Protecting the environment and effectively and reasonably utilizing existing resources have unique advantages in construction adaptability and economic indicators.

面銑刨的瀝青舊料 100%利用；通過乳化瀝青廠拌冷再生的研究應(yīng)用，研發(fā)了一套聯(lián)合破碎篩分設(shè)備，該設(shè)備可以將瀝青舊料篩分成 0-5mm、5-10mm、10-30mm 三檔，并對超粒徑顆粒、瀝青舊料結(jié)團顆粒也可以進行了破碎篩分處理，為實現(xiàn)瀝青舊料 100%再生利用創(chuàng)造了條件。通過對依托實際工程項目試驗路的鋪筑，研究出廠拌冷再生作為上面層的混合料配合比設(shè)計方法，并制定混合料相關(guān)材料性能指標要求。

100% utilization of asphalt old materials from surface milling and planing; A set of combined crushing and screening equipment has been developed through the research and application of cold recycling in emulsified asphalt plants. This equipment can screen asphalt old materials into three levels: 0-5mm, 5-10mm, and 10-30mm. It can also crush and screen oversized particles and agglomerated asphalt old materials, creating conditions for achieving 100% recycling and utilization of asphalt old materials. Through the paving of experimental roads based on actual engineering projects, research is conducted on the design method of mix proportion for factory mixed cold recycling as the upper layer of the mixture, and the relevant material performance index requirements for the mixture are formulated.

（4）乳化瀝青廠拌冷再生混合料作為上面層使用一個月后，經(jīng)

(4) After using emulsified asphalt plant mixed cold recycled mixture as the upper layer for one month

檢測路表構(gòu)造深度大于 0.55mm，擺式值大于 0.58，間隙小于 5mm，滲水系數(shù)小于 200ml/min，滿足規(guī)范對抗滑性能、平整度與滲水性能的要求；路面無病害，整體技術(shù)狀況較好。

The depth of the road surface construction should be greater than 0.55mm, the pendulum value should be greater than 0.58, the maximum gap should be less than 5mm, and the water permeability coefficient should be less than 200ml/min, meeting the requirements of anti slip performance, flatness, and water permeability performance in the specifications; The road surface has no defects and the overall technical condition is good.

（5）通過添加不同種類、不同劑量的再生劑，根據(jù)針入度、軟化點、延度試驗確定了合適的再生劑，建議再生劑添加量為舊瀝青含量的 4‰。

(5) By adding different types and doses of rejuvenators, suitable rejuvenators were determined based on penetration, softening point, and ductility tests. It is recommended to add 4 ‰ of the content of old asphalt as rejuvenators.

乳化瀝青廠拌冷再生技術(shù)符合循環(huán)經(jīng)濟“減量化”、“再利用”、“資源化”原則，是應(yīng)對交通行業(yè)公路養(yǎng)護日益嚴重的能源與環(huán)境問題的必由之路，符合建設(shè)資源節(jié)約型、環(huán)境友好型社會的需要。以三級公路上面層寬度按 6.5 米，厚度為 6 厘米計算，每 100 三級公路節(jié)約建設(shè)資金余額 1350 萬元，說明與傳統(tǒng)熱拌瀝青混合料相比，廠拌乳化瀝青冷再生具有較大的經(jīng)濟優(yōu)勢，采用廠拌乳化瀝青冷再生應(yīng)用于公路維修及建設(shè)，具有良好減排效果和意義，具體體現(xiàn)在廢舊材料的無塵篩分、無瀝青加工環(huán)節(jié)、無煙常溫拌和、節(jié)約能源及資源、零排放、零污染、零傷害等方面，更適用于邊施工邊保暢的工程項目，在公路提級改造、搶修保暢工程項目占將具有更加廣泛的應(yīng)用前景。

The cold recycling technology of emulsified asphalt plant conforms to the principles of "reduction", "reuse", and "resource utilization" in the circular economy. It is the only way to address the increasingly serious energy and environmental problems in the transportation industry and highway maintenance, and meets the needs of building a resource-saving and environmentally friendly society in the country. Taking the width of the upper layer of third-class highway as 6.5m and the thickness as 6cm, the balance of construction funds saved for every 100km of third-class highway is 13.5 million yuan, which shows that compared with the traditional hot mix asphalt mixture, the cold recycling of factory mixed emulsified asphalt has greater economic advantages. The cold recycling of factory mixed emulsified asphalt is applied to highway maintenance and construction, which has good energy conservation and emission reduction effects and environmental significance. It is specifically reflected in the aspects of dust-free screening of waste materials, asphalt processing links, smoke-free mixing at room temperature, energy and resource conservation, zero emission, zero pollution, zero injury, etc., and is more suitable for projects that keep smooth while constructing. It will be more widely used in highway upgrading, reconstruction, rush repair and smooth maintenance projects The application prospect of.

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