基于改进内聚力模型的沥青超薄罩面层间失效行为分析

肖敏敏,钱思博

Interlayer failure behavior analysis of ultra-thin asphalt overlay based on improved cohesive model

Min-min XIAO,Si-bo QIAN

表 3 沥青超薄罩面层间剪切破坏时临界断裂能

Tab.3 Critical fracture energy of asphalt ultra-thin overlay under interlaminar shear failure

$ \sigma $/MPa $ x $/mm $ {E_{\text{t}}} $/J R2 0 3.356 11.6 0.999 7 0.2 3.348 32.9 0.999 5 0.4 3.361 43.9 0.999 8 0.6 3.346 46.3 0.998 0 0.8 3.342 63.7 0.998 6 1 3.337 81.6 0.998 4