The recycling of asphalt pavement can save a lot of raw materials such as asphalt, sand and stone, and is conducive to the treatment of waste and environmental protection.

冷拌沥青就是冷拌沥青混合料，是一种沥青混合料的成型方法，与温拌沥青混合料和热拌沥青混合料相对应。冷拌沥青混合料的生产是在常温下，用一定级配的碎石加入乳化沥青以及添加剂进行拌和而成的沥青混合料。其与热拌沥青混合料相比较，成本低，但是混合料质量远远达不到热拌沥青混合料的质量。温拌理清混合料，这个近期几年研究得比较多，其质量比较好，生产成本跟热拌的差不多，但是能耗少，施工环境较好，等。沥青路面的再生技术，是将旧沥青路面经过翻挖、回收、破碎、筛分后，与再生剂、新沥青材料、新集料等按一定比例重新拌和混合料，使之能够满足一定的路用性能并用其重新铺筑路面的一套工艺技术。

Cold mix asphalt is a kind of cold mix asphalt mixture, which is a molding method of asphalt mixture, corresponding to warm mix asphalt mixture and hot mix asphalt mixture. The production of cold mix asphalt mixture is a kind of asphalt mixture which is made by adding emulsified asphalt and additives to a certain gradation of crushed stone under normal temperature. Compared with the hot mix asphalt mixture, the cost is low, but the quality of the mixture is far less than that of the hot mix asphalt mixture. In recent years, warm mix has been studied a lot. Its quality is better, its production cost is similar to that of hot mix, but it has less energy consumption, better construction environment, etc. The recycling technology of asphalt pavement is a set of technology that mixes the old asphalt pavement with recycling agent, new asphalt material and new aggregate according to a certain proportion after digging, recycling, crushing and screening, so as to meet certain road performance and use it to re pave the pavement.
              

冷再生机是采用冷再生沥青混合料的一种再次利用的施工方法，与热再生相对应。冷再生法是用大功率路面铣刨拌和机将路面混合料在原路面上就地铣刨、翻挖、破碎，再加入稳定剂、水泥、水（或加入乳化沥青）和骨料同时就地拌和，用路拌机原地拌和，然后碾压成型。与热再生相比，要比热再生便宜，但是其再生效果较热再生差，因此大多用在低等级路面的翻修。

Cold recycling machine is a construction method of reusing cold recycled asphalt mixture, corresponding to hot recycling. Cold recycling method is to mill, dig and crush the pavement mixture on the original pavement with high-power milling and mixing machine, then add stabilizer, cement, water (or emulsified asphalt) and aggregate to mix on the spot at the same time, mix in situ with road mixer, and then roll to shape. Compared with thermal regeneration, it is cheaper than thermal regeneration, but its regeneration effect is worse than thermal regeneration, so it is mostly used in the renovation of low-grade pavement.

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