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路面平整度是评定路面质量的主要技术指标之一,它关系到行车的安全、舒适以及路面所受冲击力的大小和使用寿命。影响沥青路面平整度的因素很多,涉及到设计、施工、自然条件等方面。通过近几年沥青路面施工、监理的实践,现着重从施工角度对影响沥青路面平整度的有关因素作出分析。1 热拌沥青混合料质量的影响1.1 沥青混合料中集料的规格和质量要保持稳定由于沥青路面材料消耗量很大,往往需从多个矿场采购石料,而采石场生产条件较差,材料规格要求不严,尽管在级配过程中控制了最大粒径、最大粒径的一半、4.75mm、2.36mm、0.075mm 五档规格料的通过量,但中间粒径的通过量出入较大,引起集料级配变化较大,使压实系数产生波动,影响路面平
Pavement roughness is to assess the quality of the pavement one of the main technical indicators, it relates to traffic safety, comfort and the impact of the road by the size and service life. Many factors affect the smoothness of asphalt pavement, involving design, construction, natural conditions and so on. Through the practice of asphalt pavement construction and supervision in recent years, the author mainly analyzes the factors that affect the smoothness of asphalt pavement from the construction point of view. 1 hot mix asphalt quality influence 1.1 Asphalt mixture aggregate specifications and quality to be stable As the asphalt pavement material consumption is very large, often from a number of mines to purchase stone, quarry production conditions are poor , Material specifications lax, although the grading process control the maximum size, half the maximum size, 4.75mm, 2.36mm, 0.075mm fifth gear specifications of the throughput, but the passage of the middle of the particle size of the more access Large, causing a large change in aggregate gradation, so that the compaction coefficient fluctuations affect the road surface level