Greatly extended fatigue life
Fatigue life prediction equations accurately describe its fatigue behavior; densified ITZ shifts failure to substrate or mixed mode.
Feng, Shuo · Lyu, Jingjing · Xiao, Huigang · Qingsong, Zhang · Jiwen, Bai · Yan, Pei · Chen, Mengjun · Ling, Fan
Construction and Building Materials 2024
Under stress levels of 0.7, 0.8, and 0.9, UHPC-NSC specimens exhibit substrate or substrate-bond mixed failure
Roughness is a key factor affecting bond fatigue life
Fatigue life prediction equations for UHPC-NSC and NSC-NSC are developed
The ITZ of UHPC-NSC is denser than that of NSC-NSC