由于沥青路面具有平整度好、行车舒适、施工工艺相对简单、抗滑构造易于形成和保持及开放交通快等诸多优点,已在国内外公路施工中广泛应用。如目前在我国150万km的等级公路通车里程中,沥青路面约占90%以上。但沥青路面亦有对基层承载能力要求高、路面面层易于损坏及沥青的使用 As asphalt pavement with good flatness, comfortable driving, the construction process is relatively simple, anti-skid structure easy to form and maintain and open many advantages such as fast traffic, has been widely used in highway construction at home and abroad. For example, at present, about 1.5 million km of highway mileage in China, asphalt pavement accounts for more than 90%. However, asphalt pavement also has high requirements for grass-roots carrying capacity, road surface damage and the use of asphalt easily