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道路就地冷再生技術可以解決很多道路施工問題
來源：http://m.baitaiglass.com/ 日期：2023-11-13 發布人：
道路就地冷再生屬于道路維修、改造的范疇，它主要解決瀝青路面上基層破損的問題。具體講，道路冷再生是指充分利用現有瀝青道路舊鋪層材料（面層與基層）必要時加入部分新骨料，并按比例加入一定量的添加劑（水泥、泡沫瀝青、乳化瀝青、石灰、粉煤灰等）在自然環境溫度下就地連續地完成材料的銑刨、破碎、拌和、攤鋪及壓實成型，從而修筑出具有所需性能質量的新基層的作業過程。
On site cold regeneration of roads belongs to the category of road maintenance and renovation, which mainly solves the problem of damage to the base layer of asphalt pavement. Specifically, road cold recycling refers to making full use of the old paving materials (surface course and base course) of existing asphalt roads, adding some new aggregates when necessary, and adding a certain amount of additives (cement, foam asphalt, emulsified asphalt, lime, fly ash, etc.) in proportion to continuously complete the milling, crushing, mixing, paving and compaction of materials in situ at natural ambient temperature, The process of constructing a new base with the required performance and quality.
就地冷再生技術不僅適用于高等級公路的維修與改造，也適用于一般道路及鄉間公路的維修與改造。此技術在歐美等國家已得到了較為普遍的應用，并常常作為路面維修的優選方案，隨我國98年引進臺就地冷再生機后，近幾年來，就地冷再生技術在我國受到了業內人士普遍的關注與認同，推廣普及速度很快
The on-site cold regeneration technology is not only suitable for the maintenance and re
novation of high-grade highways, but also for the maintenance and renovation of general roads and rural roads. This technology has been widely used in countries such as Europe and America, and is often the preferred solution for road maintenance. With the introduction of the first on-site cold regeneration machine in China in 1998, in recent years, the on-site cold regeneration technology has received widespread attention and recognition from industry insiders in China, and its promotion and popularization speed is fast
novation of high-grade highways, but also for the maintenance and renovation of general roads and rural roads. This technology has been widely used in countries such as Europe and America, and is often the preferred solution for road maintenance. With the introduction of the first on-site cold regeneration machine in China in 1998, in recent years, the on-site cold regeneration technology has received widespread attention and recognition from industry insiders in China, and its promotion and popularization speed is fast就地冷再生技術的主要施工機具為集破碎與拌和為一體的冷再生機，我公司現有世界范圍內的德國維特根WR2500S冷再生機兩臺套，相配套維特根W2000銑刨機一臺套，實力雄厚，走規模化施工之路。
The main construction equipment for on-site cold recycling technology is a cold recycling machine that integrates crushing and mixing. Our company currently has two sets of the most advanced German Wittgen WR2500S cold recycling machines worldwide, and one set of Wittgen W2000 milling and planing machine to match. Our strength is strong and we are taking the path of large-scale construction.
根據添加劑的不同，可以把冷再生分為水泥冷再生、泡沫瀝青冷再生、乳化瀝青冷再生、石灰冷再生、粉煤灰冷再生等。目前國內應用廣泛的還是水泥冷再生，下邊就以水泥冷再生為例簡單介紹一下冷再生的工作原理。
According to different additives, cold recycling can be divided into cement cold recycling, foam asphalt cold recycling, emulsified asphalt cold recycling, lime cold recycling, fly ash cold recycling, etc. At present, the most widely used method in China is cement cold recycling. Taking cement cold recycling as an example, let's briefly introduce the working principle of cold recycling.
在要進行再生的路面上攤鋪水泥（按試驗配合比添加，一般為４％—６％）冷再生機的核心是裝有大量專用刀頭的銑刨和拌和轉子的銑刨鼓。轉子向上旋轉破碎原路面材料，冷再生機向前行進時，轉子轉動，冷再生機通過軟管與水罐車連接，微處理器準確控制水在拌和倉中的噴灑量。輸送的水通過銑刨轉子將水與銑刨料充分拌和，并達到需要的佳含水量，從而保證混和料的大壓實度。
The core of a cold recycling machine is a milling drum equipped with a large number of specialized cutting heads and mixing rotors, which is used to pave cement on the road surface to be recycled (added according to the experimental mix ratio, usually 4-6%). The rotor rotates upwards to crush the raw road surface material. When the cold regeneration machine moves forward, the rotor rotates. The cold regeneration machine is connected to the water tank truck through a hose, and the microprocessor accurately controls the amount of water sprayed in the mixing bin. The conveyed water is thoroughly mixed with the milling material through the milling rotor to achieve the desired optimal moisture content, thereby ensuring the maximum compaction of the mixed material.
液體穩定劑，例如熱瀝青（WR2500S冷再機自帶泡沫瀝青發泡裝置，可將熱瀝青加熱到160—180℃與少量水混和發泡）可通過專門設計的噴灑嘴將泡沫瀝青噴灑到拌和腔；粉狀穩定劑，如水泥，需按設計添加量事先撒布在再生機前的路面上，再生機將粉狀穩定劑與再生料和水一次性拌和。
Liquid stabilizers, such as hot asphalt (the WR2500S refrigerator has its own foam asphalt foaming device, which can heat the hot asphalt to 160-180 ℃ and mix it with a small amount of water for foaming), can spray foam asphalt to the mixing chamber through specially designed spray nozzles; Powder stabilizers, such as cement, need to be pre distributed on the road surface in front of the recycling machine according to the designed dosage. The recycling machine will mix the powder stabilizers with recycled materials and water in one go.
如遇再生層原級配不良的情況，可在再生前將所缺少的部分集料撒布在路面上，通過與舊料拌和來改善原路面材料的級配。
If the original gradation of the recycled layer is poor, the missing part of the aggregate can be spread on the road surface before regeneration, and the gradation of the original road material can be improved by mixing with the old material.
推薦閱讀/ Recommended reading
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