Post-crack load capacity
Locally reinforcing the bottom layer with fibers markedly improves brittle failure behavior, enabling the backfill to retain load-bearing capacity after cracking.
Sun, Wei · Gao, Tong · Jianguang, Zhao · Cheng, Haiyong
Construction and Building Materials 2023
Flexural strength increases as the fiber reinforcement position approaches the lower layer
Peak deflection increases as the fiber reinforcement position approaches the lower layer
Bending modulus increases as the fiber reinforcement position approaches the lower layer