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一、前言利用乳化沥青进行稀浆封层施工方法的研究,始于1928年。当时德、法等国曾用水泥混凝土拌合机械进行稀浆封层施工。1960年美国德克萨斯州的扬格(Young)兄弟建筑公司研制出第一台稀浆封层机,该机将原材料的贮运、配合、拌合、摊铺等工序集中一体,只用几分钟即可完成其施工过程。这种机械在美国和其它许多地区获得专利。1965年以后,研制成功用阳离子乳化沥青代替阴离子乳化沥青拌制混合料,提高了沥青与骨料的粘附性,缩短了铺筑后的养护时间。80年代瑞典的斯堪道路公司研制了稀浆封层机的自动计量系统,提高了施
First, the foreword The use of emulsified asphalt slurry seal construction method research, began in 1928. At that time Germany, France and other countries have used cement concrete mixing machinery slurry seal construction. In 1960, the Young brothers and construction company in Texas, USA, developed the first slurry seal machine, which integrates the storage, transportation, blending, mixing and paving of raw materials and uses only A few minutes to complete the construction process. This machine is patented in the United States and many other places. After 1965, the successful development of cationic emulsified asphalt instead of anionic emulsified asphalt mixing mixture to improve the adhesion of asphalt and aggregate, reducing the maintenance time after paving. Scandal Road, Sweden in the 1980s developed an automatic metering system for slurry sealing machines that improved