Semi-rigid base

Reveals the fatigue crack propagation law inside semi-rigid base, providing a new approach for service performance assessment of long-life pavements.

Yu, Liting · Yi, Wu · Yejing, Meng · Huang, Guojing · Li, Rui · Pei, Jianzhong

Construction and Building Materials 2023

Advantages

50 mm preset depth is most vulnerable to crack tip change

200 mm preset depth cracks expand the maximum depth

strain field at the crack tip of 50 mm presetting depth is stronger