1. EN1993–1–2 (2005) EuroCode3: Design of steel structures. Part1–2: General rules –Structural fire design. Belgium: European Committee for Standardization.
2. GB/T 9978.1–2008. (2008). Fire-resistance tests-elements of building construction-Part 1: general requirements. Beijing: Standardization Administration of the People's Republic of China (in Chinese).
3. GB/T 228.1–2010. (2010). Metallic Materials-Tensile testing- Part 1: Method of test at room temperature. Beijing: Standards Press of China (in Chinese).
4. GB 51249–2017. (2017). Code for fire safety of steel structures in buildings. Beijing: China Planning Press (in Chinese).
5. Huang, B. S., Zhang, R. Y., Yang, F., Huang, T. J., Zhang, Y. W., Zhang, X., & Cao, Y. F. (2018). Experimental study on stiffened welded hollow spherical joints subjected to compression and fire. Journal of Building Structures, 39(S1), 192–197. (in Chinese).