RT Journal T1 A toughness based deformation limit for X- and K-joints under brace axial tension A1 Bo GU,Xudong QIAN,Aziz AHMED PB Front. Struct. Civ. Eng. FD 2016-10-25 YR 2016 JF Frontiers of Structural and Civil Engineering JO Front. Struct. Civ. Eng. VO 10 IS 3 SP 345 DO 10.1007/s11709-016-0333-2 K1 circular hollow section (CHS);tubular joint;fracture failure;deformation limit;#i#J#/i#-integral LK {https://journal.hep.com.cn/fsce/EN/article/article_16562.shtml}