This study extends the authors’ previous numerical and experimental studies simulating progressive collapse of steel stiffened-plate structures in fire events (Paik JK, Ryu MG, He KH, Lee DH, SY, Park DK, Thomas G. 2021a. Full-scale testing to stiffened plate under lateral patch loading (part 1) – without passive protection. Ships Offsh Struct. 16(3):227–242; Paik 2021b. 2) with 16(3):243–254; ...