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根据沥青混凝土所用的结合分成不同的史料和石油和煤炭的沥青惠誉的两大类,任何国家或地区的天然沥青拌饭采纳制“。逆料所用的部队分成不同品种的、鹅卵石砾石的、砂质量、李光宰的数量类、(35~40毫米以下)、中进球(20~25毫米以下)市进球(10至15毫米以下)、砂粒(5~7毫米以下几种)等。迎的料混合按程度的差异,密可分为半、配级开级matching和狗级matching等类、级matching混合原料的柏油路。沥青混凝土的作用,对我们的道路建设是巨大的混凝土出沥青道路公社为担保的道路路面平整度的寿命和交通的安全性,我具有重大的意义。
According to the bitumen used in combination with different historical materials and bitumen oil and coal bitumen Fitch two major categories of natural bibimbap to adopt any country or region. ”The material used to reverse the material is divided into different varieties of pebbles and gravel, Sand quality, the number of Li Guang slaughter class, (35-40 mm below), scoring (below 20-25 mm) city goals (10-15 mm), sand (5-7 mm the following) The mixing of raw materials by degree of difference, dense can be divided into half, with open-level matching level matching and dog-level matching class asphalt mixture level of raw materials. The role of asphalt concrete for our road construction is huge concrete asphalt I am of great significance for the life of the road pavement and the safety of the traffic secured by the road commune.