According the characteristics of granulated crumb rubber asphalt mixture, the improved Marshall test method is put forward to confirm the optimal asphalt content.

• 针对橡胶颗粒沥青混合料组成材料的特点,提出修正的马歇尔法用于橡胶颗粒沥青混合料最佳沥青用量的确定,在考察常规马歇尔体积指标的基础上,增加飞散损失率这一评价指标;