Failure Modes of Shear Keys in Girder Bridges Subjected to Girder–Bearing Separation and Collision Under Bidirectional Seismic Excitations. - Chen, Shutong; Shi, Hongsong; Liu, Xuerong; Lyu, Ping; Wang, Chao; Xi, Feng; Mohamed Nazri, Fadzli; Tang, Gongjue (Buildings (2075-5309), 2026)