Table 1: Geometric dimension of specimens and cross-section properties.

Specimen L [mm] h1 [mm] h2 [mm] b tf tw
C1_8 3376 250 600 200 10 8
C2_6 3376 250 600 200 10 6
C3_8 3376 250 600 160 10 8
C4_6 3376 250 600 160 10 6
C5_8 3376 250 600 180 10 8
C6_6 3376 250 600 180 10 6