对使用稀浆封层机施工封层若干问题的探讨

在北方路面施工中一般都需要跨年度施工，即第一年完成基层和部分沥青下面层施工，第二年完成所有沥青面层的施工。我们在施工中所采用的下封层往往都具有双重作用，既要有透层的联结作用，又要有封层的保护作用，因此在北方路面中基层与面层间设置联结层具有十分重要的意义。

Application of Slurry Seal Coat Machine in Construction Seal Coat

Pavement construction generally needs straddle over year in the northern parts of China, which means the base layer and part of asphalt lower layer may be finished in the first year, and the remaining part of construction may be completed ＇in the second year. The lower seal coat used in construction usually has two functions, connection for penetration and protection for seal coat. It is of great significance to have connection layer between base layer and surface layer during the pavement construction in the northern parts of China.