According to the strength character of asphalt macadam mixture,dynamic load press-in test having confining pressure was adopted to analyze permanence deformation of HMA in high temperature.

• 针对沥青碎石混合料的强度特点,采用有侧限、能反映材料3向受力状态的动载压入法评价其高温抵抗永久变形能力,将永久变形分为压密、变形累积和剪切流动3个阶段。