Fatigue Performance of Steel Slag SMC Ultrathin Abrasive Layer Under Strain Controlling Mode

Recently, the warm mixing modified ultrathin abrasive layer has been paid great attention due to green energy-saving strength. In regard its durability, study of fatigue behavior SMC asphalt mixture was carried out under strain controlling mode. The relationship among all characteristic parameters (bending stiffness modulus, normalized times, and products phase angle) stress cycle times showed a similar three-stage change process, except for accumulative dissipated energy. transition point (Nf) between second (RDEC2) third stage (RDEC3) assumed be cracking sign layer. that case, supported by multiobjective system, relative dissipation energy, rather than 50% initial stiffness, regarded as appropriate criteria.